Table B-5. "J6" G.703 Balanced User Data Connector - Comtech EF Data CRS-311 Installation And Operation Manual

CRS-311 1:1 Redundancy Switch
Appendix B
B.2.2 CRS-325 – G.703 Balanced Connector (DB-15F)
Table B‐5 indicates the pinout for the DB‐15F G.703 Balanced User Interface connector: "J6" on
the CRS‐325 TMI.

Table B-5. "J6" G.703 Balanced User Data Connector

Pin #
1 Tx, Drop Data Input (-) (see Note)
9
2 Ground
10
3 Rx, Insert Data Output (-) (see Note)
11
4 Ground
12
5 Drop Data Output (+)
13
6 Insert Data Input (+)
14
7 Not Used
15
8 Not Used
Note: Use for all non‐Drop and Insert and T2/E2 balanced applications.
Signal Description
Tx, Drop Data Input (+) (see Note)
Not Used
Rx, Insert Data Output (+) (see Note)
Drop Data Output (-)
Insert Data Input (-)
Not Used
Not Used
Name
DDI–
DDI+
GND
IDO–
IDO+
GND
DDO–
DDO+
IDI–
IDI+
B–5
Revision 7
MN/CRS311.IOM
Direction
In
In
Out
Out
Out
Out
In
In