Specifications

Optimux-34 Ver. 2.81 E1 Interface A-1
Appendix A
Pinouts
A.1 E1 Interface
RJ-45 Pinouts
The E1 module has two types of connectors: RJ-45 and BNC using the RJ-45 to
BNC adapter cable (CBL-RJ45/2BNC/E1/X). The RJ-45 E1 pin assignment is
indicated in
Table A-1 . Each of the tributary E1 connectors has the same pinout.
Table A-1. E1 RJ-45 Connector Pin Assignment
Pin Designation Function Direction
1 RRING1 Receive Data (Ring) 1 Input
2 RTIP1 Receive Data (Tip) 1 Input
4 TRING1 Transmit Data (Ring) 1 Output
5 TTIP1 Transmit Data (Tip) 1 Output
CBL-RJ45/2BNC/E1/X Adapter Cable
When Optimux-34 is ordered with an unbalanced E1 interface, the RJ-45
connector is converted to the standard pair of unbalanced E1 BNC female
connectors. For this purpose, RAD offers a 150-mm long adapter cable,
CBL-RJ45/2BNC/E1/X, wired in accordance with
Figure A-1 .