APPENDIX A

PATTON MODEL 2703 SPECIFICATIONS

Network Interface:

G.703

Network Rate:

2.048 Mbps

Network Connectors:

Two BNC (75 Ohm) and one

 

modular RJ-45 connector (120

 

Ohm)

Terminal Interface:

X.21 on female DB-15 connector

Terminal Rate:

2.048 Mbps, 1.024 Mbps, 512 kbps

 

or 256 kbps

Diagnostics:

Loopback Test

Indicators:

LEDs for power, network, master

 

clock and loopback test

Clocking:

Internal (Master) or Network

 

Recovered (Slave) clock

Receiver Sensitivity:

-10 dB (0dB = 2.4V)

Power:

85/265 VAC (switch selectable),

 

50/60 Hz; 85-265 VAC, 50/60 Hz

 

(universal input option); 48 VDC

Temperature Range:

(option)

0-50°C (32-122°F)

Altitude:

0-15,000 feet

Humidity:

5 to 95% noncondensing

Dimensions:

7.3” x 6.6” x 1.62” (185mm x

Weight:

168mm x 41mm)

2.02 lbs.

APPENDIX B

MODEL 2703-X21 PIN CONFIGURATIONS

CCITT X.21 INTERFACE (DB-15)

1- Frame Ground

1 FRAME GROUND

Transmit - B - 9 2-2TransmitTRANSMITTED- A - A

Control - B -10

3-3ControlCONTROL- A - A

Receive - B -11

4-4ReceiveRECEIVE- A - A

Indication - B -12

5-5IndicationINDICATION- - A

Signal Timing -B 13

6-6SignalSIGNALTimingTIMING- A - A

 

 

7

 

8-8SignalSIGNALGroundGROUND

15

16

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Patton electronic user manual Patton Model 2703 Specifications, Model 2703-X21 PIN Configurations