6 es/es (j18) universal interface, 7 rxb (j30), 8 terr rx (j31) – Comtech EF Data RCS11 User Manual
Page 77: 9 rxa (j32), 10 txb (j33), 11 terr tx (j34), 12 txa (j35)
RCS11 1:1 Redundancy Switch
Connector Pinouts
MN-RCS11 – Revision 9
5–19
5.8.6 ES/ES (J18) Universal Interface
The Earth Station to Earth Station (ES/ES) is a 9 Pin Female ‘D’ port.
Refer to Table 5-23 for pinouts.
Table 5-23. ES/ES Port - 9-Pin Female ‘D’ Connector (J18)
Pin No.
Signal Name
Description
1
RXD-B
Receive Data B
6
DSR
Date Set Ready
2
RXD-A
Receive Data A
7
RTS
Request to Send (Pin 7 & 8 Tied Together)
3
TXD-A
Transmit Data A
8
CTS
Clear to Send
4
TXD-B
Transmit Data B
9 NC
No
Connection
5 GROUND
Signal
Ground
5.8.7 RXB (J30)
Modem B RX Data Port (SD) is a G703 Unbalanced 75-Ohm Female BNC Connector.
5.8.8 TERR RX (J31)
The TERR RX User Data Port is a G703 Unbalanced 75-Ohm Female BNC Connector.
5.8.9 RXA (J32)
Modem A RX Data Port (SD) is a G703 Unbalanced 75-Ohm Female BNC Connector.
5.8.10 TXB
(J33)
Modem B TX Data Port (RD) is a G703 Unbalanced i5-Ohm Female BNC Connector.
5.8.11
TERR TX (J34)
The TERR TX User Data Port is a G703 Unbalanced 75-Ohm Female BNC Connector.
5.8.12 TXA
(J35)
Modem A TX Data Port (RD) is a G703 Unbalanced 75-Ohm Female BNC Connector.