Comtech EF Data SDR-54A - Manual (Page 45)

SDR-54A Satellite Demodulator Revision 4
DEMUX Option MN/SDR54A.IOM
Table 5-5. Monitor & Control Additions
Parameter Condition Specification
Configuration Parameter TRIB Data Rate
TRIB Interface Type
TRIB Output Mapping
TRIB Clock Phase
TRIB Data Phase 0.6 to 4000 kbit/s
RS-422 or RS-232
1 to 8
NRM or INV
NRM or INV
Fault Status DMX_SYNC OK/FLT
5.3.4 Tributary Data Interface Connectors (J5 and J6)
For all interface types, the 8-channel demultiplexer adds two DB-25 connectors
(J5 and J6) for tributary outputs.
Table 5-6. Tributary Data Interface Connector (J5)
Rear Panel 25-Pin D Connector
J5 DEMUX T1-4
Pin # Circuit Description
1 RD422A_1 RS-422, RX DATA (-), TRIB1
14 RD422B_1 RS-422, RX DATB (+), TRIB1
2 RC422A_1 RS-422, RX CLKA (-), TRIB1
15 RC422B_1 RS-422, RX CLKB (+), TRIB1
3 RD232_1 RS-232, RECEIVE DATA, TRIB1
16 RC232_1 RS-232, RECEIVE CLOCK, TRIB1
4 RD422A_2 RS-422, RX DATA (-), TRIB2
17 RD422B_2 RS-422, RX DATB (+), TRIB2
5 RC422A_2 RS-422, RX CLKA (-), TRIB2
18 RC422B_2 RS-422, RX CLKB (+), TRIB2
6 RD232_2 RS-232, RECEIVE DATA, TRIB2
19 RC232_2 RS-232, RECEIVE CLOCK, TRIB2
7 RD422A_3 RS-422, RX DATA (-), TRIB3
20 RD422B_3 RS-422, RX DATB (+), TRIB3
8 RC422A_3 RS-422, RX CLKA (-) ,TRIB3
21 RC422B_3 RS-422, RX CLKB (+), TRIB3
9 RD232_3 RS-232, RECEIVE DATA, TRIB3
22 RC232_3 RS-232, RECEIVE CLOCK, TRIB3
10 RD422A_4 RS-422, RX DATA (-), TRIB4
23 RD422B_4 RS-422, RX DATB (+), TRIB4
11 RC422A_4 RS-422, RX CLKA (-), TRIB4
24 RC422B_4 RS-422 ,RX CLKB (+), TRIB4
12 RD232_4 RS-232 ,RECEIVE DATA, TRIB4
25 RC232_4 RS-232, RECEIVE CLOCK, TRIB4
13 GND GROUND
5-11