I am using 3745 router with 2 port Channelized E1 module with RAD HTU E1 CSU for Channelized E1 connectivity. I am using Cisco PRI-E1 cable.
The problem is there is a indication of LOC ( it indicates the router CSU connectivity ) and it is showing that connectivity between router and CSU is not OK. I have changed E1 cables but nothing happening, I need to cross the Tx, Rx signals between router and CSU. Then it works.
Which cable is proper for this?