Comtech-ef-data OMS11 Instrukcja Użytkownika Strona 40

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OMS11 1:1 Redundancy Switch Connector Pinouts
TM133 Rev. 1.1
5-7
5.5 Terrestrial Data Interface (J7) RS422 Synchronous Data,
Asynchronous Overhead Data, and G.703 Balanced Data I/O Port
This 37 Pin D38999/24FD35PN Connector contains the RS422 data connections, the RS485
Asynchronous Overhead data interface and the G.703 Balanced interface.
Refer to Table 5-6 for pin-outs. Refer to Table 5-7 for G.703 Balanced pin-outs.
Table 5.6. RS422 Synchronous Data I/O; Async Data Connector (J7)
J7
Pin No.
Signal Name Signal Direction EIA-530 25
Pin Connector
Reference
1 Shield--- --- 1
2 Send Data B (+) SD-B Input 14
3 Send Data A (-) SD-A Input 2
4 Send Timing A (-) ST-A Output 15
5 Receive Data RD-A Output 3
6 Receive Data B (+) RD-B Output 16
7 Request To Send A (-) RS-A Input 4
8 Receive Timing A (-) RT-A Output 17
9 Clear To Send A (-) CS-A Output 5
10
11 Data Mode A (-) DM-A Output 6
12 Request To Send B (+) RS-B Input 19
13 Signal Ground SGND --- 7
14 Data Terminal Ready A (-) TR-A Input 20
15 Receiver Ready A (-) RR-A Output 8
16
17 Receive Timing B (+) RT-B Output 9
18 Data Mode B (+) DM-B Output 22
19 Receiver Ready B (+) RR-B Output 10
20 Data Terminal Ready B (+) TR-B Input 23
21 Terminal Timing B (+) TT-B Input 11
22 Terminal Timing TT-A Input 14
23 Send Timing B (+) ST-B Output 12
24 No Connect --- --- 25
25 Clear To Send B (+) CS-B Output 13
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