Patton electronic Network Card 1004ABRC User Manual

USER  
MANUAL  
MODEL 1004ABRC  
High Speed, Multipoint  
Short Range Modem:  
Rack Mount Card  
Part# 07M1004ABRC-A SALES OFFICE  
Doc# 047053UA  
Revised 09/02/99  
(301) 975-1000  
TECHNICAL SUPPORT  
C
E
R
T
I
F
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(301) 975-1007  
An ISO-9001  
Certified Company  
 
2.0 GENERAL INFORMATION  
1.2 CE NOTICE  
The CE symbol on your Patton Electronics equipment indicates  
that it is in compliance with the Electromagnetic Compatibility (EMC)  
directive and the Low Voltage Directive (LVD) of the Union European  
(EU). A Certificate of Compliance is available by contacting Technical  
Support.  
Thank you for your purchase of this Patton Electronics product.  
This product has been thoroughly inspected and tested and is warrant-  
ed for One Year parts and labor. If any questions during installation or  
use of the 1004ABRC, contact Patton Electronics Technical Support at  
(301) 975-1007.  
2.1 FEATURES  
1.3 SERVICE  
• Convenient rack card features two short range modems  
• Data rates to 115.2 Kbps  
All warranty and non-warranty repairs must be returned freight pre-  
paid and insured to Patton Electronics. All returns must have a Return  
Materials Authorization number on the outside of the shipping contain-  
er. This number may be obtained from Patton Electronics Technical  
Support:  
• Multi-point Operation on Data Transitions -- No need for  
Hardware Control Signals  
• Supports up to 50 multipoint drops in a polling environment  
• Passes transmit & receive data  
• Variable high/low impedance settings  
• Operates with or without local “echo”  
• Features 6 easy-to-read LEDs  
Tel:  
(301) 975-1007  
• Silicon Avalanche Diode surge protection  
• Fits conveniently in Patton’s rack chassis  
NOTE: Packages received without an RMA number will not be  
accepted.  
2.2 DESCRIPTION  
Patton Electronics' technical staff is also available to answer any  
questions that might arise concerning the installation or use of your  
Model 1004ABRC. Technical Service hours: 8AM to 5PM EST,  
Monday through Friday.  
The Model 1004ABRC high speed, multipoint short range modem  
rack card is a dual rack card incorporating two short range modems.  
Both units support asynchronous data rates to 115.2 Kbps over 1 or 2  
twisted pairs and support distances to 4000 feet (19 AWG @19.2  
kbps). In addition, Model 1004ABRC’s unique data control feature  
allows it to be used in multi-point environments without the use of hard-  
ware control signals.  
The Model 1004ABRC can handle up to 50 terminal drops in a  
multipoint polling environment. Using transitions on the data line to  
handle line contention, the Model 1004ABRC can be used in environ-  
ments that need multi-port bus contention, but do not have control sig-  
nals such as RTS or DTR. The Model 1004ABRC may be configured  
for high or low impedance operation, and the unit can operate with or  
without “echo”.  
Filling one function card slot on Patton’s Model 1000R16 rack  
chassis, the Model 1004ABRC is available with RJ-11 or RJ-45 rear  
interface cards. For workgroup and desktop communications, the  
Model 1004ABRC also fits in Patton’s 2, 4 and 8 slot ClusterBoxes™.  
The combination of rack mount, ClusterBox™ and self-powered units  
provides a completely integrated “networking” solution.  
3
4
 
3.0 CONFIGURATION  
3.1.1 SWITCH SETTINGS - MODEM “A”  
This section describes the location and orientation of the Model  
1004ABRC's configuration switches, provides detailed instructions on  
setting each switch and describes the settings for each of the rear con-  
nection cards.  
DIP switches S1 and S2 configure short range Modem A on the  
Model 1004ABRC front card. The tables below provide an overview of  
Modem A switch settings, including factory default settings. Following  
the tables is a descriptions of each switch’s function.  
3.1 FRONT CARD CONFIGURATION  
SWITCH SET “S1”  
The Model 1004ABRC front card houses two short hauls–Modem  
A and Modem B– each using two sets of DIP switches. The locations  
of these switches are shown in Figure 1 (below). These switches are  
accessible when the card is slid out of the rack chassis. Once config-  
ured, the Model 1004ABRC is designed to operate transparently, with-  
out need for frequent re-configuration.  
DIP switch S1 is used to configure receive impedance,  
RTS/CTS delay, carrier control operation and “echo” enable/disable.  
The summary table below shows the factory default settings for switch  
S1. Following the summary table is a detailed description of each indi-  
vidual switch.  
SWITCH S1 SUMMARY TABLE (factory defaults in bold)  
Position  
S1-1  
Function  
RX Impedance  
RTS/CTS Delay  
Reserved  
ON Position  
120 Ohm  
8 msec  
-
OFF Position  
16K Ohm  
S2  
S1  
S1-2  
No Delay  
S1-3  
Default Setting  
Echo OFF  
S4  
S3  
S1-4  
Echo Mode  
Echo ON  
S1-1: Receive Impedance  
The setting for switch S1-1 selects the impedance of the input  
receiver. You may select either a “low” impedance of 120 Ohms or a  
“high” impedance of 16K Ohms. By selecting the proper impedance for  
each drop, there may be up to 50 receivers in one application.  
Figure 1. Model 1004ABRC Card, showing location of configuration switches.  
Each of the DIP switches on the Model 1004ABRC function card is  
a 4-position switch. Figure 2 (below) shows the On/Off orientation of  
these switches. Use a small screw driver or similar instrument to set  
each individual switch.  
S1-1  
On  
Off  
Setting  
Low (120 Ohm)  
High (16K Ohm typical)  
S1-2: RTS/CTS Delay  
The setting for switch S1-2 determines the amount of delay  
ON  
ON  
between the time the Model 1004ABRC “sees” RTS and when it turns  
on CTS. Note: RTS/CTS Delay setting should be based upon trans-  
mission timing.  
S1-2  
On  
Off  
Setting  
8 msec  
no delay  
1
2
3
4
OFF  
Figure 2. Close-up of DIP switches, showing ON/OFF orientation.  
5
6
 
S1-3: Reserved  
Switch S1-3 is reserved and must remain in the OFF position.  
S2-1 and S2-2: “Transmit Off” Impedance  
Switches S2-1 and S2-2 are set together to determine whether the  
receiving device “sees” the impedance of the Model 1004ABRC’s trans-  
mitter as being “high” or “intermediate” when the transmitter is turned  
off. The “intermediate” setting is useful in half-duplex environments  
where the receiving device does not respond well to the “high” setting.  
S1-3  
On  
Off  
Setting  
Not a Valid Setting  
Default Setting  
S2-1  
On  
Off  
S2-2  
On  
Off  
Setting  
Intermediate Impedance  
High Impedance  
S1-4: Echo Mode  
The setting for switch S1-4 determines whether the Model  
1004ABRC echoes data back to the transmitting device (half-duplex  
mode only).  
S2-3 and S2-4: 2-wire/4-wire Modes  
Switches S2-3 and S2-4 are set together to determine whether the  
Model 1004ABRC is in 2-wire or 4-wire operating mode. Note: 2-wire  
mode is half-duplex only.  
S1-4  
On  
Off  
Setting  
Echo On  
Echo Off  
S1-2  
On  
S1-3  
On  
Setting  
2-wire mode  
4-wire mode  
SWITCH SET “S2”  
Off  
Off  
DIP switch S2 is used to configure transmit impedance, and  
2-wire/4-wire operations. The summary table below shows the factory  
default settings for switch S2. Following the summary table is a  
detailed description of each individual switch.  
3.1.2 SWITCH SETTINGS - MODEM “B”  
DIP switches S3 and S4 configure short range Modem B on the  
Model 1004ABRC front card. The tables below provide an overview of  
Modem A switch settings, including factory default settings. Following  
each figure is a detailed description of each switch’s function.  
SWITCH S2 SUMMARY TABLE (factory defaults in bold)  
SWITCH SET “S3”  
Position  
S2-1*  
Function  
ON Position  
Intermediate  
Intermediate  
2-Wire  
OFF Position  
High  
DIP switch S3 is used to configure receive impedance, RTS/CTS  
delay and “echo” enable/disable. The summary table below shows the  
factory default settings for switch S3.  
Following the summary table is a detailed description of each individual  
switch.  
TX Impedance  
TX Impedance  
2-Wire/4-Wire  
2-Wire/4-Wire  
S2-2*  
High  
S2-3*  
4-Wire  
4-Wire  
S2-4*  
2-Wire  
*Note: Switches S2-1 and S2-2 must be switched simultaneously.  
SWITCH S3 SUMMARY TABLE (factory defaults in bold)  
Switches S2-3 and S2-4 must be switched simultaneously.  
Position  
S3-1  
Function  
RX Impedance  
RTS/CTS Delay  
Reserved  
ON Position  
120 Ohm  
8 msec  
-
OFF Position  
16K Ohm  
S3-2  
No Delay  
S3-3  
Default Setting  
Echo OFF  
S3-4  
Echo Mode  
Echo ON  
7
8
 
S3-1: Receive Impedance  
SWITCH SET “S4”  
The setting for switch S3-1 selects the impedance of the input  
receiver. You may select either a “low” impedance of 120 Ohms or a  
“high” impedance of 16K Ohms. By selecting the proper impedance for  
each drop, there may be up to 50 receivers in one application.  
DIP switch S4 is used to configure transmit impedance, and  
2-wire/4-wire operations. The summary table below shows the factory  
default settings for switch S4. Following the summary table is a  
detailed description of each individual switch.  
S3-1  
On  
Off  
Setting  
Low (120 Ohm)  
High (16K Ohm typical)  
SWITCH S4 SUMMARY TABLE (factory defaults in bold)  
Position  
S4-1*  
Function  
ON Position  
Intermediate  
Intermediate  
2-Wire  
OFF Position  
High  
TX Impedance  
TX Impedance  
2-Wire/4-Wire  
2-Wire/4-Wire  
S3-2: RTS/CTS Delay  
The setting for switch S3-2 determines the amount of delay  
between the time the Model 1004ABRC “sees” RTS and when it turns  
on CTS. Note: RTS/CTS Delay setting should be based upon trans-  
mission timing.  
S4-2*  
High  
S4-3*  
4-Wire  
4-Wire  
S4-4*  
2-Wire  
*Note: Switches S4-1 and S4-2 must be switched simultaneously.  
Switches S4-3 and S4-4 must be switched simultaneously.  
S3-2  
On  
Off  
Setting  
8 msec  
no delay  
S4-1 and S4-2: “Transmit Off” Impedance  
Switches S4-1 and S4-2 are set together to determine whether the  
receiving device “sees” the impedance of the Model 1004ABRC’s trans-  
mitter as being “high” or “intermediate” when the transmitter is turned  
off. The “intermediate” setting is useful in half-duplex environments  
where the receiving device does not respond well to the “high” setting.  
S3-3: Reserved  
Switch S3-3 is reserved and must remain in the OFF position.  
S3-3  
On  
Off  
Setting  
Not a Valid Setting  
Default Setting  
S4-1  
On  
S4-2  
On  
Setting  
Intermediate Impedance  
High Impedance  
Off  
Off  
S3-4: Echo Mode  
S4-3 and S4-4: 2-wire/4-wire Modes  
The setting for switch S3-4 determines whether the Model  
1004ABRC echoes data back to the transmitting device (half-duplex  
mode only).  
Switches S4-3 and S4-4 are set together to determine whether the  
Model 1004ABRC is in 2-wire or 4-wire operating mode. Note: 2-wire  
mode is half-duplex only.  
S3-4  
On  
Setting  
Echo On  
Echo Off  
S4-2  
On  
Off  
S4-3  
On  
Off  
Setting  
2-wire mode  
4-wire mode  
Off  
9
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3.2 REAR CARD CONFIGURATION  
The table below provides a summary of the strap functions for  
both of the rear cards. Following the table is a description of each  
strap's function.  
The Model 1004ABRC has two interface card options: the 1Q11  
(which comes equipped with two RJ-11 ports and two RJ-45 ports) and  
the 1Q45 (which comes equipped with four RJ-45 ports). Figure 3  
(below) illustrates these two different rear interface options.  
INTERFACE CARD STRAP SUMMARY TABLE #1  
Strap  
JB2  
JB4  
JB5  
JB6  
JB7  
Position 1&2  
Line A Shield  
Line B Shield  
SGND & FRGND  
DTE A DSR†  
Position 2&3  
No Shield†  
No Shield†  
Open†  
1Q11  
1Q45  
RJ-11  
RJ-45  
RJ-45  
RJ-45  
RJ-45  
}
Twisted Pair  
Line Connection  
Twisted Pair Line  
Connection  
N/A  
}
RJ-11  
DTE B DSR†  
N/A  
}
RJ-45  
RJ-45  
RS-232  
Connection  
RS-232  
Connection  
Line A Shield & Line B Shield (JB2 & JB4)  
}
This strap pertains to the line interface. In the connected (closed)  
position, the strap links RJ-11 pins 1 and 6 (RJ-45 pins 2 and 7) to  
frame ground. These pins can be used as connections for the twisted  
pair cable shield. In the open (disconnected) position, pins 1 and 6 (or  
2 and 7) remain connected, but are “lifted” from frame ground.  
Figure 3. Model 1004ABRC interface card options  
Prior to installation, you should examine the rear card you have  
selected and ensure that it is suitable for your application. Each rear  
card is configured by setting straps on the PC board. Section 3.4.1  
describes the strap locations and settings for each card.  
JB2  
Position 1&2 = Line A Shield Connected  
Position 2&3 = No Shield  
3.2.1 REAR CARD STRAP SETTINGS  
JB4  
Position 1&2 = Line B Shield Connected  
Position 2&3 = No Shield  
Figure 4 (below) shows the strap locations for the 1Q11 and the  
1Q45 rear cards. These straps determine various grounding character-  
istics for the RS-232 and twisted pair lines.  
SGND & FRGND (JB5)  
1
2
3
JB2  
In the connected (closed) position, this strap links signal ground  
and frame ground. In the open (disconnected) position, pin 1 is “lifted”  
from frame ground.  
(Unit A)  
Twisted Pair Line  
Connection  
}
(Unit B)  
JB4  
1
2
JB5  
Position 1&2 = SGND and FRGND Connected  
Position 2&3 = SGND and FRGND Not Connected  
(Unit A)  
3
RS-232  
Connection  
1
2
3
JB5  
}
(Unit B)  
JB6  
1
2
3
1
2
3
JB7  
Figure 4. Strap locations for both rear cards  
11  
12  
 
4.0 INSTALLATION  
DTE as DSR or RI (JB6 & JB7)  
This section describes the functions of the Model 1000R16 rack  
chassis, tells how to install front and rear Model 1004ABRC cards into  
the chassis and provides diagrams for wiring up the interface connec-  
tions correctly.  
Because this rear card is designed to function in more applications  
than the Model 1004ABRC, this jumper must be installed only in one  
position. Place the jumper across pins 1&2 so that the terminal (DTE)  
sees DSR as high when the DTE raises DTR. The other positions,  
across pins 2&3, are for Ring Indicate as defined by EIA/TIA-561. The  
RI function is irrelevant (and on the Model 1004ABRC is also discon-  
nected) and can cause improper operation if the jumper is installed  
incorrectly.  
4.1 THE MODEL 1000R16 RACK CHASSIS  
The Model 1000R16 Rack Chassis (Figure 5) has sixteen short  
range modem card slots, plus its own power supply. Measuring only  
3.5” high, the Model 1000R16 is designed to occupy only 2U in a 19”  
rack. Sturdy front handles allow the Model 1000R16 to be extracted  
and transported conveniently.  
JB6 & JB7  
Position 1&2 = DSR  
Position 2&3 = N/A  
Figure 5. Model 1000R16 Rack Chassis with power supply  
4.1.1 THE RACK POWER SUPPLY  
The power supply included in the Model 1000R16 rack uses the  
same mid-plane architecture as the modem cards. The front card of  
the power supply slides in from the front, and the rear card slides in  
from the rear. They plug into one another in the middle of the rack.  
The front card is then secured by thumb screws and the rear card by  
conventional metal screws.  
WARNING! There are no user-serviceable parts in the  
power supply section of the Model 1000R16. Voltage set-  
ting changes and fuse replacement should only be per-  
formed by qualified service personnel. Contact Patton  
Electronics Technical support at (301)975-1007 for more  
information.  
13  
14  
 
Switching the Power Supply On and Off  
The Model 1004ABRC is wired as a DCE (Data Communications  
Equipment). Therefore, it wants to connect to a DTE (Data Termination  
Equipment). If your RS-232 output device is a DTE, you may need to  
use a special cable (such as a DB-25 to modular cable). If your  
RS-232 output device is DCE, you will require a null modem connec-  
tion. Call Patton Technical Support at (301) 975-1007 for specific  
installation instructions.  
The power switch is located on the front panel. When plugged in  
and switched on, a red front panel LED will glow. Since the Model  
1000R16 is a “hot swappable” rack, it is not necessary for any cards to  
be installed before switching on the power supply. The power supply  
may be switched off at any time without harming the installed cards.  
4.4 TWISTED PAIR CONNECTION  
NOTE: Please refer to the Model 1000RP Series User Manual  
AC and DC Rack Mount Power Supplies for fuse and power card  
replacement information.  
The Model 1004ABRC operates half or full duplex over one or two  
twisted pair. In all applications, the twisted pair wire must be 26 AWG  
or thicker, unconditioned, dry, metallic wire. Both shielded and  
unshielded wire yield favorable results.  
4.2 INSTALLING THE MODEL 1004ABRC INTO THE CHASSIS  
The Model 1004ABRC is comprised of a front card and a rear  
card. The two cards meet inside the rack chassis and plug into each  
other by way of mating 50 pin card edge connectors. Use the following  
steps as a guideline for installing each Model 1004ABRC into the  
Model 1000R16 rack chassis:  
NOTE: The Model 1004ABRC can only communicate in a  
closed data circuit with another Model 1004ABRC. Dial-up ana-  
log circuits, like those in a standard Hayes-type modem, are not  
acceptable. For further information, see Appendix B.  
1. Slide the rear card into the back of the chassis along the metal  
rails.  
4.4.1 POINT-TO-POINT TWISTED PAIR CONNECTION  
The 6-position RJ-11 and 8-position RJ-45 jack options for the  
Model 1004ABRC (always the upper jack on the rear interface card)  
are prewired for a standard TELCO wiring environment. Connection of  
a 2-wire or 4-wire twisted pair circuit between two or more Model  
1004ABRCs requires a crossover cable as shown in the following  
charts.  
2. Secure the rear card using the metal screws provided.  
3. Slide the front card into the front of the chassis. It should meet the  
rear card when it's almost all the way into the chassis.  
4. Push the front card gently into the card-edge receptacle of the rear  
card. It should “click” into place.  
5. Secure the front card using the thumb screws.  
RJ-11  
SIGNAL  
RJ-45  
SIGNAL  
1...................GND†  
2...................RCV-  
3...................XMT+  
4...................XMT-  
5...................RCV+  
6...................GND  
1...................N/C  
2...................GND  
3...................RCV-  
4...................XMT+  
5...................XMT-  
6...................RCV+  
7...................GND  
8...................N/C  
NOTE: Since the Model 1000R16 chassis allows “hot swap-  
ping” of cards, it is not necessary to power down the rack when  
you install or remove a Model 1004ABRC.  
4.3 RS-232 CONNECTION  
The RS-232 ports are always the lower ports on the interface card.  
The 10-pin RJ-45 is pinned according Patton's Modified Modular  
Interface Standard (based on the EIA/TIA-561Standard). For specific  
interface pin-outs, please refer to the diagrams in Appendix D.  
Connection to ground is optional  
1
2
3
4
5
6
7
8
1
2
3
4
5
6
(continued)  
15  
16  
 
When connecting two Model 1004ABRCs, it is necessary to use a  
crossover cable. The diagrams below show how a crossover cable  
should be constructed for the following environments: 4-wire RJ-11,  
4-wire RJ-45, 2-wire RJ-11 or 2-wire RJ-45.  
4.4.2 MULTIPOINT TWISTED PAIR CONNECTION  
The Model 1004ABRC supports multipoint applications using a star  
daisy chain topology (Section 3.0 describes proper multipoint configu-  
ration). Maximum distance between the units will vary based upon the  
number of drops, data rate, wire gauge, etc. Call Patton Technical  
Support for specific distance estimates. The diagram below shows how  
to wire the two-pair cables properly for a Model 1004ABRC star topolo-  
gy. Note that the ground connection is not needed.  
RJ-11 Cable (4-Wire)  
SIGNAL  
PIN#  
PIN#  
SIGNAL  
GND†  
RCV-  
XMT+  
XMT-  
RCV+  
GND†  
1-----------------------6  
2-----------------------4  
3-----------------------5  
4-----------------------2  
5-----------------------3  
6-----------------------1  
GND†  
XMT-  
RCV+  
RCV-  
XMT+  
GND†  
HOST  
XMT+  
XMT-  
FIRST SLAVE  
RCV+  
SECOND SLAVE  
RCV+  
RCV-  
XMT+  
XMT-  
Connection to ground is optional  
RCV-  
RJ-45 Cable (4-Wire)  
RCV+  
RCV-  
XMT+  
SIGNAL  
PIN#  
PIN#  
SIGNAL  
XMT-  
GND†  
RCV-  
XMT+  
XMT-  
RCV+  
GND†  
2-----------------------7  
3-----------------------5  
4-----------------------6  
5-----------------------3  
6-----------------------4  
7-----------------------2  
GND†  
XMT-  
RCV+  
RCV-  
XMT+  
GND†  
RJ-11 Cable (2-Wire)  
SIGNAL  
PIN#  
PIN#  
SIGNAL  
XMT+  
XMT-  
3-----------------------3  
4-----------------------4  
XMT+  
XMT-  
RJ-45 Cable (2-Wire)  
SIGNAL  
PIN#  
PIN#  
SIGNAL  
XMT+  
XMT-  
4-----------------------4  
5-----------------------5  
XMT+  
XMT-  
Connection to ground is optional  
17  
18  
 
5.0 OPERATION  
APPENDIX A  
Once you have configured each Model 1004ABRC and connected  
the cables, you are ready to operate the units. Section 5.0 describes  
the LED status monitors and the power-up procedure.  
PATTON ELECTRONICS MODEL 1004ABRC  
SPECIFICATIONS  
Transmission Format:  
Asynchronous  
5.1 LED STATUS MONITORS  
Data Rate:  
0 to 115.2 Kbps  
The Model 1004ABRC features front panel LEDs that indicate the  
condition of the modem and communication link. Figure 6 (below)  
shows the positions of the LEDs.  
Surge Protection:  
Control Signals:  
Silicon Avalanche Diodes  
DSR turns “ON” immediately after the termi-  
nal raises DTR; DCD turns “ON” after re-  
cognizing the receive signal from the line;  
CTS turns on after the terminal raises RTS  
Model 1004RC  
Power  
Transmission Line:  
Transmit Mode:  
Transmit Level:  
Carrier:  
2-wire or 4-wire, unconditioned twisted pair  
Full or half duplex  
TD  
Unit  
A
RD  
CD  
TD  
RD  
CD  
2V ± 10% differential output voltage  
Controlled by data transitions  
8 msec or zero  
Unit  
B
RTS/CTS Delay:  
Echo Mode:  
Echo and No Echo, supported in both  
2-wire and 4-wire modes  
Figure 6. The Model 1004ARC front panel, showing LED positions  
Receiver Impedance:  
Line Connection:  
Surge Protection:  
Low (120 ohms), High (100k Ohms)  
RJ-11 or RJ-45 jack  
The green “PWR” LED glows when power is applied to  
the modem through its mid-plane chassis connection.  
Silicon Avalanche Diodes on twisted pair  
interface from each line to frame ground  
The green “TD” and “RD” LEDs show positive state data  
activity. The red “TD” and “RD” LEDs show negative state  
data activity. A solid red light indicates an idle state.  
Power Supply:  
Rack-mount power supply is switchable  
between 120V and 240V AC; rack chassis  
supplies 10V AC to the Model 1004ABRC,  
typical consumption is 700 mW per card  
The green “CD” LED lights when the receive carrier is  
detected; the red LED lights when the receive carrier is  
absent.  
5.2 POWER-UP  
Fuse:  
400mA for 120V applications; 200mA for  
240V applications  
There is no power switch on the Model 1004ABRC: Power is auto-  
matically applied to the 1004ABRC when its card-edge connector  
touches the chassis’ mid-plane socket, or when the chassis’ power is  
turned on.  
Temperature Range:  
Altitude:  
0-50°C (32-122°F)  
0-15,000 feet  
NOTE: The 1004ABRC is a “hot swappable” card—it will not be  
Humidity:  
Up to 95% non-condensing  
0.95”w x 3.1”h x 5.4”l  
20  
damaged by plugging it in or removing it while the rack is pow-  
ered up.  
Dimensions:  
19  
 
APPENDIX B  
APPENDIX C  
PATTON ELECTRONICS MODEL 1004ABRC  
CABLE RECOMMENDATIONS  
PATTON ELECTRONICS MODEL 1004ABRC  
FACTORY REPLACEMENT PARTS  
The Patton Model 1004ABRC operates at frequencies of 115kHz or  
less and has been performance tested by Patton technicians using  
twisted-pair cable with the following characteristics:  
The Patton Model 1004ABRC rack system features interchangeable  
rear half cards, power cords/fuses for international various operating  
environments and other user-replaceable parts. Model numbers and  
descriptions for these parts are listed below:  
Wire Gauge  
Capacitance  
Resistance  
Patton Model #  
Description  
19 AWG  
22 AWG  
24 AWG  
83nf/mi or 15.72 pf/ft.  
83nf/mi or 15.72 pf/ft.  
83nf/mi or 15.72 pf/ft.  
.0163 Ohms/ft.  
.0326 Ohms/ft.  
.05165 Ohms/ft.  
1000RPEM..........................120/240V Rear Power Entry Module  
1000RPSM-2.......................120/240V Front Power Supply Module  
1000RPEM-DC ...................DC Rear Power Entry Module  
1000RPSM-48A ..................48V Front Power Supply Module  
1000RPEM-V ......................120/240V CE Compliant Rear Power  
Entry Module  
To gain optimum performance from the Model 1004ABRC, please  
keep the following guidelines in mind:  
Always use twisted pair wire—this is not an option.  
1000RPEM-V ......................120/240V CE Compliant Rear Power  
Supply Entry Module  
• Use twisted pair wire with a capacitance of 20pf/ft or less.  
0805US ...............................American Power Cord  
0805EUR.............................European Power Cord CEE 7  
0805UK ...............................United Kingdom Power Cord  
0805AUS.............................Australia/New Zealand Power Cord  
0805DEN.............................Denmark Power Cord  
0805FR ...............................France/Belgium Power Cord  
0805IN.................................India Power Cord  
• Avoid twisted pair wire thinner than 26 AWG (i.e. avoid higher  
AWG numbers than 26)  
• Use of twisted pair with a resistance greater than the above speci-  
fications may cause a reduction in maximum distance obtainable.  
Functionality should not be affected.  
0805IS.................................Israel Power Cord  
• Many environmental factors can affect the maximum distances  
obtainable at a particular site. Use the above data rate/distance  
table as a general guideline only.  
0805JAP..............................Japan Power Cord  
0805SW ..............................Switzerland Power Cord  
0516FPB1 ...........................Single Width Blank Front Panel  
0516FPB4 ...........................4-Wide Blank Front Panel  
0516RPB1...........................Single Width Blank Rear Panel  
0516RPB4...........................4-Wide Blank Rear Panel  
21  
22  
 
APPENDIX D  
PATTON ELECTRONICS MODEL 1004ABRC  
INTERFACE PIN ASSIGNMENTS  
PATTON MODULAR INTERFACE - 10 Wire RJ-45  
Contact Number  
Circuit  
Description  
1
2
N/A  
Not Used  
DSR  
125  
3
109  
Received Line Signal Indicator (CD)  
DTE Ready (DTR)  
4
108 / 2  
102  
5
Signal Common  
6
104  
Received Data  
7
103  
Transmitted Data  
8
106  
Clear to Send  
9
105 / 133  
N/A  
Request to Send / Ready for Receiving  
Not Used  
10  
Pins 2-9 conform to the EIA/TIA-561 eight position non-synchronous interface standard.  
Copyright © 1999  
Patton Electronics Company  
All Rights Reserved  
23  
 

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