RAD Data comm Vmux-210 Specifications Page 169

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Vmux-210 Ver. 1.1 E1/T1 Uplink A-1
Appendix A
Connector Pinouts
A.1 E1/T1 Uplink
Balanced E1/T1 Interface Connector
The balanced interface of the E1/T1 uplink terminates in an RJ-45 connector.
Figure A-1
illustrates the pin location in an RJ-45 connector, and
Table A-1
lists
the E1/T1 connector pin assignment.
81
Figure A-1. RJ-45 Connector Pin Location
Table A-1. E1/T1 Balanced Connector Pinout
Pin Function
1, 2 Receive (input)
4, 5 Transmit (output)
Unbalanced E1 Interface
When Vmux-210 is configured to operate with unbalanced E1 interfaces, it is
necessary to convert each Vmux-210 RJ-45 connector to the standard pair of BNC
female connectors used by unbalanced E1 interfaces.
For this purpose, RAD offers a 15-cm long adapter cable, CBL-RJ45/2BNC/E1,
which has one RJ-45 plug for connection to the Vmux-210 E1/T1 connector and
two BNC female connectors at the other end. Cable wiring is given in
Figure A-2
.
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