Comtech EF Data CRS-300 User Manual
Page 65
CRS-300 1:10 Redundancy Switch
MN/CRS300.IOM
Switch Connectors and Pinouts
Revision 19
3–11
3.2.2.6 Unbalanced G.703 Connectors, BNC (CRS-325/330/340)
These BNC female connectors provide the Unbalanced G.703 User Data Interface on the
CRS-325, CRS-330, and CRS-340 TMIs.
Table 3-9. Unbalanced G.703 Connectors
BNC
Connector
TMI CRS-325
Ref Des
TMI CRS-330
Ref Des
TMI CRS-340 Ref
Des
Signal Function
Direction
Rx
J4
J2
J3
Rx (DDO), G.703
Out
Tx
J2
J5
J4
Tx (IDI), G.703
In
IDI
—
J3
—
Insert Data Input
In
DDO
—
J4
—
Drop Data Output
Out
3.2.2.7 Unbalanced G.703 4-Port Connectors, BNC (CRS-345)
These BNC female connectors provide the Unbalanced G.703 User Data Interface on the
CRS-345 TMI.
Table 3-10. Unbalanced G.703 Connectors
BNC
Connector
Slot 1
Slot 2
Signal
Function
Direction
Port 1 Ref
Des
Port 2
Ref Des
Port 1
Ref Des
Port 2
Ref Des
Rx
J3
J5
J7
J9
G.703 Rx
Out
Tx
J4
J6
J8
J10
G.703 Tx
In