Comtech EF Data SMS-7000, Installation And Operation Manual

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Installation SMS-7000 Modem Protection Switch
2–28 Rev. 3
Table 2–9. EIA-422 Terrestrial Data Connectors (J6) (Continued)
Signal Name
Pin # IBS IDR D&I
22 SD B 8K TXD B
23 ST B 8K TXC B
24 RD B 8K RXD B
25 RTS B RTS B A
26 RT B 8K RXC B L
27 CTS B CTS B
28
29
DM B N/C
30
31
RR B N/C
32
33
EXC B 8K RXO B
34 RS422 RXO B N/C
35 TT B N/C
36
37
GND GND