Installation
RCS20 M:N Redundancy Switch
2-16
TM056 - Rev. 2.3
9
CS-A
Clear to Send A (-)
Output
10
MF
Mod Fault - Open
Collector
Output
28
DF
Demod Fault - Open
Collector
Output
27
CS-B
Clear to Send B (+)
Output
11
DM-A
Data Mode A (-)
Output
29
DM-B
Data Mode B (+)
Output
13
RR-A
Receiver Ready A (-)
Output
31
RR-B
Receiver Ready B (+)
Output
15
BAL EXC-A
External Clock A (-)
Input
33
BAL EXC-B
External Clock B (+)
Input
16
RX-0-A
Receive Octet A (-)
Output
34
RX-0 B
Receive Octet B (+)
Output
17
TT-A
Terminal Timing A (-)
Input
35
TT-B
Terminal Timing B (+)
Input
1, 19, 20, 37
GND
Signal Ground
2.6.11 Digital Data Switch (DDS20) J1 through J10 - Switch Connector
J1 through J10 are the 68-Pin high-density data connectors that carry data to and from the modem.
The pinouts for these connectors are shown below in Table 2-12.
Table 2-12. J18 - Switch Connector - 68-Pin High-Density Female
Pin No.
Signal
Description
Direction
1
G.703B SD-A
G.703 Send Data Input A (-)
Input
2
SYNC SD-A
Synchronous Data Send Data Input -A (-)
Input
3
ESCBWO 1C
IDR ESC Backward Alarm Out - 1 Common
None
4
G.703B IDI-A
G.703 Insert Data Input - A (-)
Input
5
SYNC ST-A
Synchronous Data Send Timing Output - A
Output
6
ESCBWO 1NO
IDR ESC Backward Alarm Out - 1 Normally
Open
Input
7
SYNC TT-A
Synchronous Data Terminal Timing Input A
Input
8
ESCBWO 2NC
IDR ESC Backward Alarm Out - 2 Normally
Closed
9
DDO-A RT-A
G.703 Drop Data Out A - Synchronous Data
Receive Timing Output - A
Output
Содержание RCS20
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Страница 19: ...RCS20 M N Redundancy Switch Installation TM056 Rev 2 3 2 7 Figure 2 6b AS 3356 Data Switch Module...
Страница 36: ...Installation RCS20 M N Redundancy Switch 2 24 TM056 Rev 2 3...
Страница 47: ...RCS20 M N Redundancy Switch User Interfaces TM056 Rev 2 3 4 9 Figure 4 2...
Страница 48: ...User Interfaces RCS20 M N Redundancy Switch 4 10 TM056 Rev 2 3 Figure 4 3...
Страница 49: ...RCS20 M N Redundancy Switch User Interfaces TM056 Rev 2 3 4 11 Figure 4 4...
Страница 58: ...User Interfaces RCS20 M N Redundancy Switch 4 20 TM056 Rev 2 3...
Страница 60: ...Electrical Interfaces RCS20 M N Redundancy Switch 5 2 TM056 Rev 2 3 Figure 5 2 IFS20 Rear Panel Connectors...
Страница 61: ...RCS20 M N Redundancy Switch Electrical Interfaces TM056 Rev 2 3 5 3 Figure 5 3 IFS20 Chassis Base...
Страница 62: ...Electrical Interfaces RCS20 M N Redundancy Switch 5 4 TM056 Rev 2 3 Figure 5 4 DDS20 Front and Rear Panels...
Страница 84: ...Maintenance RCS20 M N Redundancy Switch 6 6 TM056 Rev 2 3...
Страница 100: ...Appendix A RCS20 M N Redundancy Switch A 14 TM056 Rev 2 3...
Страница 112: ...Appendix B RCS20 M N Redundancy Switch B 12 TM056 Rev 2 3...
