Comtech EF Data SMS-301 - Manual (Page 75)

SMS-301 Redundancy Switch Theory of Operation
Rev. 3 4-9
Table 4-11. Modem A Data (J14)
Pin # Circuit Description Pin # Circuit Description
1 - N/A 51 GND GROUND
2 - N/A 52 A_TC232_5 EIA-232, TX CLK, TRIB 5
3 - N/A 53 A_TD232_5 EIA-232, TX DAT, TRIB 5
4 - N/A 54 A_CTS232_5 EIA-232, CTS, TRIB 5
5 GND GROUND 55 A_TD422B_5 EIA-422, TX DATB (+), TRIB 5
6 GND GROUND 56 A_TD422A_5 EIA-422, TX DATA (-), TRIB 5
7 /A_DF DEMOD FAULT 57 A_TC422B_5 EIA-422, TX CLKB (+), TRIB 5
8 /A_MF MOD FAULT 58 A_TC422A_5 EIA-422, TX CLKA (-), TRIB 5
9 GND GROUND 59 A_CTS422B5 EIA-422, CTSB (+), TRIB 5
10 A_RT+B RECEIVE TIMING B (+) 60 A_CTS422A5 EIA-422, CTSA (-), TRIB 5
11 A_RT-A RECEIVE TIMING A (-) 61 GND GROUND
12 GND GROUND 62 A_TC232_4 EIA-232, TX CLK, TRIB 4
13 A_RD+B RECEIVE DATA B (+) 63 A_TD232_4 EIA-232, TX DAT, TRIB 4
14 A_RD-A RECEIVE DATA A (-) 64 A_CTS232_4 EIA-232, CTS, TRIB 4
15 GND GROUND 65 A_TD422B_4 EIA-422, TX DATB (+), TRIB 4
16 A_RR+B RECEIVER READY B (+) 66 A_TD422A_4 EIA-422, TX DATA (-), TRIB 4
17 A_RR-A RECEIVER READY A (-) 67 A_TC422B_4 EIA-422, TX CLKB (+), TRIB 4
18 GND GROUND 68 A_TC422A_4 EIA-422, TX CLKA (-), TRIB 4
19 A_MCB MASTER CLOCK B 69 A_CTS422B4 EIA-422, CTSB (+), TRIB 4
20 A_MCA MASTER CLOCK A 70 A_CTS422A4 EIA-422, CTSA (-), TRIB 4
21 GND GROUND 71 GND GROUND
22 A_TC232_8 EIA-232, TX CLK, TRIB 8 72 A_TC232_3 EIA-232 ,TX CLK, TRIB 3
23 A_TD232_8 EIA-232, TX DAT, TRIB 8 73 A_TD232_3 EIA-232, TX DAT, TRIB 3
24 A_CTS232_8 EIA-232, CTS, TRIB 8 74 A_CTS232_3 EIA-232, CTS, TRIB
25 A_TD422B_8 EIA-422, TX DATB (+), TRIB 8 75 A_TD422B_3 EIA-422, TX DATB (+), TRIB 3
26 A_TD422A_8 EIA-422, TX DATA (-), TRIB 8 76 A_TD422A_3 EIA-422, TX DATA (-), TRIB 3
27 A_TC422B_8 EIA-422, TX CLKB (+), TRIB 8 77 A_TC422B_3 EIA-422, TX CLKB (+), TRIB 3
28 A_TC422A_8 EIA-422, TX CLKA (-), TRIB 8 78 A_TC422A_3 EIA-422, TX CLKA (-), TRIB 3
29 A_CTS422B8 EIA-422, CTSB (+), TRIB 8 79 A_CTS422B3 EIA-422, CTSB (+), TRIB 3
30 A_CTS422A8 EIA-422, CTSA (-), TRIB 8 80 A_CTS422A3 EIA-422, CTSA (-), TRIB 3
31 GND GROUND 81 GND GROUND
32 A_TC232_7 EIA-232 ,TX CLK, TRIB 7 82 A_TC232_2 EIA-232, TX CLK, TRIB 2
33 A_TD232_7 EIA-232, TX DAT, TRI 7 83 A_TD232_2 EIA-232, TX DAT, TRIB 2
34 A_CTS232_7 EIA-232, CTS, TRIB 7 84 A_CTS232_2 EIA-232, CTS, TRIB 2
35 A_TD422B_7 EIA-422, TX DATB (+), TRIB 7 85 A_TD422B_2 EIA-422, TX DATB (+), TRIB 2
36 A_TD422A_7 EIA-422, TX DATA (-), TRIB 7 86 A_TD422A_2 EIA-422, TX DATA (-), TRIB 2
37 A_TC422B_7 EIA-422, TX CLKB (+), TRIB 7 87 A_TC422B_2 EIA-422, TX CLKB (+), TRIB 2
38 A_TC422A_7 EIA-422, TX CLKA (-), TRIB 7 88 A_TC422A_2 EIA-422, TX CLKA (-), TRIB 2
39 A_CTS422B7 EIA-422, CTSB (+), TRIB 7 89 A_CTS422B2 EIA-422, CTSB (+), TRIB 2
40 A_CTS422A7 EIA-422, CTSA (-), TRIB 7 90 A_CTS422A2 EIA-422, CTSA (-), TRIB 2
41 GND GROUND 91 GND GROUND
42 A_TC232_6 EIA-232, TX CLK, TRIB 6 92 A_TC232_1 EIA-232, TX CLK, TRIB 1
43 A_TD232_6 EIA-232, TX DAT, TRIB 6 93 A_TD232_1 EIA-232, TX DAT, TRIB 1
44 A_CTS232_6 EIA-232, CTS, TRIB 6 94 A_CTS232_1 EIA-232, CTS, TRIB 1
45 A_TD422B_6 EIA-422, TX DATB (+),TRIB 6 95 A_TD422B_1 EIA-422, TX DATB (+), TRIB 1
46 A_TD422A_6 EIA-422, TX DATA (-), TRIB 6 96 A_TD422A_1 EIA-422, TX DATA (-), TRIB 1
47 A_TC422B_6 EIA-422, TX CLKB (+), TRIB 6 97 A_TC422B_1 EIA-422, TX CLKB (+), TRIB 1
48 A_TC422A_6 EIA-422, TX CLKA (-), TRIB 6 98 A_TC422A_1 EIA-422, TX CLKA (-), TRIB 1
49 A_CTS422B6 EIA-422, CTSB (+), TRIB 6 99 A_CTS422B1 EIA-422 CTSB (+), TRIB 1
50 A_CTS422A6 EIA-422, CTSA (-), TRIB 6 100 A_CTS422A1 EIA-422, CTSA (-), TRIB 1