Data A & B (J7 & J11) - Comtech EF Data Radyne RCS11 Installation And Operation Manual

RCS11 1:1 Redundancy Switch
5.11.2 DATA A & B (J7 & J11)
The RS449/422 Data ports are 37-Pin Female 'D' ports. These ports are the interface connection
between the modem and the RCS11 Switch. Refer to Table 5-28 for pinouts.
Table 5-28. J7 (Modem A) /J11 (Modem B) RS449/RS422 Data Interface
Pin # Signal Name
1 Shield
3 External FIFO Buffer Output
Clock (A) -
4 Transmit Data (A) -
5 Transmit Clock (A) -
6 Receive Data (A) -
7 RTS (A) -
8 Receive Clock (A) -
9 CTS (A) -
11 Data Mode (A) -
12 DTR (A) -
13 Receive Ready (A) -
14 Mod Fault Alarm
17 Terminal Timing (A) -
19 Signal GND
20 Common
21 External FIFO Buffer Output
Clock (B) +
22 Transmit Data (B) +
23 Transmit Clock (B) +
24 Receive Data (B) +
25 RTS (B) +
26 Receive Clock (B) +
27 CTS (B) +
29 Data Mode (B) +
30 DTR (B) +
31 Receive Ready (B) +
33 Demod Fault Alarm
35 Terminal Timing (B) +
MN-RCS11 – Revision 9
Modem A and Modem B Connector Pin Assignment
Direction
Output
Output
Input
Input
Output
Input
Input
Input
Output
Input
OC TTL Input
Output
GND
GND
Output
Output
Input
Input
Output
Input
Input
Input
Output
Input
OC TTL Input
Output
Connector Pinouts
5–25