VWIC-2T1-E1-RAN ports

Unanswered Question
Feb 4th, 2009

Hi,


I have a "Cisco 2-Port T1/E1 Protection Switching RAN Voice/WAN

Interface Card" and I am trying to get the ports into Data Carrier Detect (DCD) mode. The document indicated that the port is RJ-48C. The pins are as follows:


Pinout:

PIN1: RX Ring

PIN2: RX Tip

PIN3: Reserved

PIN4: TX Ring

PIN5: TX Tip

PIN6: Reserved

PIN7: shield

PIN8: Shield

So only pins 1,2,4 and 5 are used. However, I tried many cables, and the ports refuse to come up, when connected to each other.


We have the ALU SAR-8, and we are able to connect the RJ-48 cables without issue. Below is my configuration. Why won't the port come up? I have them in loopback diag mode, for now. Do I need a special cable?


card type t1 0 2


controller T1 0/2/0

linecode b8zs

cablelength long 0db

loopback diag

cem-group 0 timeslots 1-24

!

controller T1 0/2/1

linecode b8zs

cablelength long 0db

loopback diag

cem-group 0 timeslots 1-24


interface CEM0/2/0

no ip address

cem 0

xconnect 10.221.221.87 300 encapsulation mpls

!

!

interface CEM0/2/1

no ip address

cem 0

xconnect 10.221.221.87 100 encapsulation mpls

!

!


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