Comtech EF Data RCS10 User Manual
Page 40
RCS10 Technical Specifications
Appendix A
Page 1-8
NOTE: See Warning on Page 2-2. Verify Steps 1 through 3 Before Attaching Data Cables.
Table 2–1.
J12 - Sync Data RS422/RS485/V.35 - 37-Pin Female
Pin Number
Signal
Description
Direction
3
TXO-A
Transmit Octet (-)
Input
21
TXO-B
Transmit Octet (+)
Input
4
SD-A
Send Data A (-)
Input
22
SD-B
Send Data B (+)
Input
5
ST-A
Send Timing A (-)
Output
23
ST-B
Send Timing B (+)
Output
6
RD-A
Receive Data A (-)
Output
24
RD-B
Receive Data B (+)
Output
7
RS-A
Request to Send A (-)
Input
25
RS-B
Request to Send B (+)
Input
8
RT-A
Receive Timing A (-)
Output
26
RT-B
Receive Timing B (+)
Output
9
CS-A
Clear to Send A (-)
Output
10
MF
Mod Fault - Open
Collector
Output
28
DF
Demod Fault - Open
Collector
Output
27
CS-B
Clear to Send B (+)
Output
11
DM-A
Data Mode A (-)
Output
29
DM-B
Data Mode B (+)
Output
13
RR-A
Receiver Ready A (-)
Output
31
RR-B
Receiver Ready B (+)
Output
15
EXC-A
External Clock A (-)
Input
33
EXC-B
External Clock B (+)
Input
16
RX-0-A
Receive Octet A (-)
Output
34
RX-0-B
Receive Octet B (+)
Output
17
TT-A
Terminal Timing A (-)
Input
35
TT-B
Terminal Timing B (+)
Input
1, 19, 20, 37
GND
Signal Ground