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Configuring E1 and T1 Interfaces
Troubleshooting E1 and T1 WAN Connections
The color of the lights and a more detailed explanation are provided below.
No Light
If no light appears, ensure that you are checking the LED that corresponds to
the slot in which the E1 or T1 module is installed, as shown in Figure 4-10.
Next, view the status of the E1 or T1 interface by entering:
ProCurve# show interfaces <interface> <slot>/<port>
If the E1 or T1 interface is administratively down, move to the appropriate
interface configuration mode context and enter no shutdown. For example,
you might enter:
ProCurve(config-e1 1/1)# no shutdown
The status of the interface should change.
Red Light
If the LED is red, the interface is administratively up, but it is receiving alarms.
View the status of the interface by entering:
ProCurve# show interface <interface> <slot>/<port>
Note any alarms that are being reported. (See Figure 4-11.)
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