Comtech EF Data CRS-300 - Manual (Page 64)

CRS-300 1:10 Redundancy Switch MN/CRS300.IOM
Switch Connectors and Pinouts Revision 19
3–10
3.2.2.5 Balanced G.703 Connector, DB-15F (CRS-325/330/340)
See Table 3-8 for the pinout for the DB-15F Balanced G.703 User Data Interface connectors – “J6”
on the CRS-325 TMI; “J1” on the CRS-330 TMI; and “J2” on the CRS-340 TMI.
Table 3-8. Balanced G.703 Connector
Pin Signal Function Name Direction
8 Not Used
15 Not Used
7 Not Used
14 Not Used
6 Insert Data Input (+) IDI+ In
13 Insert Data Input (-) IDI– In
5 Drop Data Output (+) DDO+ Out
12 Drop Data Output (-) DDO– Out
4 Ground GND
11* Rx, Insert Data Output (+) IDO+ Out
3* Rx, Insert Data Output (-) IDO– Out
10 Not Used
2 Ground GND
9* Tx, Drop Data Input (+) DDI+ In
1* Tx, Drop Data Input (-) DDI– In
* Use for all non-Drop and Insert and T2/E2 balanced applications.