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COMSPHERE 3000 Series Carrier
A-4 December 1994 3000-A2-GA31-80
Table A-5
SDU – NMS Interface
Pin
Circuit
Function
Pi
n
CC IN CC OUT
F
unc
ti
on
1 RSI RSO Request-to-Send
2 CSO CSI Clear-to-Send
3 RDO RDI Receive Data
4 SG SG Signal Ground
5 SDI SDO Transmit Data
6 +Vdc – +12 Vdc Output
Table A-6
SDU – Shared Diagnostic Control Panel Interface
Pin
Circuit
Function
Pi
n
FP IN FP OUT
F
unc
ti
on
1 Ground Ground Ground
4 SG SG Signal Ground
5 FPRDO FPRDI Received Data
6 FPSDI FPSDO Send Data
7 FPAALM FPAALM Audible Alarm
8 FPLALMO FPLALMI LED Alarm
Figure A-2. 50-Pin to Modular Plug Digital/Lease Conversion Cable