Comtech EF Data UB-54 - Manual (Page 22)

Installation UB-54 Breakout Panel
2–8 Rev. 1
Table 2-10. Auxiliary Circuit Pin Assignments (J9)
AUX
J9
MUX DEMUX
Pin # Circuit Description Circuit Description
1 MC-A Master Clock A(-) - N/A
2,5,11 GND Ground GND Ground
3 RT+B EIA-422, Receive Timing B(+) RT+B EIA-422, Receiver Timing B(+)
4 RD-A EIA-422, Receive Data A(-) RD-A EIA-422, Receiver Data A(-)
6 RR+B Receiver Ready B(+) RR Receiver Ready
7 - N/A DSYNC DEMUX SYNC
8 MF MOD Fault - N/A
9 MC-B Master Clock B(+) - N/A
10 RT-A EIA-422, Receive Timing A(-) RT-A EIA-422, Receiver Timing A(-)
12 RD+B EIA-422, Receive Data B(+) RD+B EIA-422, Receiver Data B(+)
13 RR-A Receiver Ready A(-) - N/A
14 - N/A DMODE DEMUX Mode
15 DF DEMOD Fault --- N/A