Bank Control I/O Card; J1 | Modem Remote - Comtech EF Data Radyne RCS20 Installation And Operation Manual

RCS20 M:N Redundancy Switch
Electrical Interfaces
5.2.3.3 Bank Control I/O Card
5.2.3.3.1

J1 | MODEM REMOTE

The J1 | MODEM REMOTE EIA-485 Control port is a 9-Pin Type 'D' Female Connector. It is
used as an RS485 bus to interface to the modems remote ports. See Table 5-4 for pinouts.
Table 5-4. MODEM REMOTE (J1) Port 9-Pin Type 'D' Female Connector
Pin No.
1
2
3
4
5
6
7
8 EIA-485/HDLC Transmit Data
9
Figure 5-6 Bank Control I/O Card
Signal Name
EIA-485/HDLC Receive Data B (+)
HDLC Receive Clock A (-)
HDLC Receive Clock B (+)
HDLC Transmit Clock A (-)
Signal Common
EIA-485/HDLC Receive Data A (-)
HDLC Transmit Clock B (+)
(+)
EIA-485/HDLC Transmit Data A (-)
Signal
TxD-B
TCLK-A
TCLK-B
RCLK-A
COMMON
TxD-A
RCLK-B
B RxD-B
RxD-A
5–8
Rev. 14
MN-RCS20
Direction
Input
Input
Input
Output
---
Output
Output
Output
Output