Operating instructions

Electrical Interfaces RCS20 M:N Redundancy Switch
5-10 TM056 - Rev. 2.3
5.2.6 J6 - ES/ES
The connector pinouts for J6, the 9-Pin Earth Station-to-Earth Station asynchronous data connector
are shown Table 5-2.
Table 5-2. J6 - ES/ES - 9-Pin ‘D’ Female
Pin No. Signal Description Direction
1 GND Ground None
2 RXD-232 Receive Data RS232 Output
3 TXD-232 Transmit Data RS232 Input
4 TXD-B Transmit Data RS485 (+) Input
5 TXD-A Transmit Data RS485 (-) Input
6 NC No Connection None
7 NC No Connection None
8 RXD-B Receive Data B RS485 (+) Output
9 RXD-A Receive Data A RS485 (-) Output
Table 5–8.
J7 - ESC Alarm Interface - 25-Pin Female ‘D’
Pin Number Signal Description Direction
1 GND Ground None
2 ESCBWO 1 NO Backward Alarm Out-1 NO None
3 NC No Connection None
4 ESCBWO 1 NO Backward Alarm Out-2 NO None
5 NC No Connection None
6 ESCBWO 4 NO Backward Alarm Out-4 NO None
7 GND Ground None
8 ESCBWO 4 NO Backward Alarm Out-4 NO None
9 NC No Connect None
10 ESCBWI 2 Backward Alarm In 2 Input
11 ESCBWI 4 Backward Alarm In 4 Input
12 NC No Connect None
13 NC No Connect None
14 ESCBWO 1C Backward Alarm Out 1-C None
15 ESCBWO 1-NC Backward Alarm Out 1-NC None