Specifications

4-26
PA-T3+ Serial Port Adapter Installation and Configuration
OL-3505-03
Chapter 4 Configuring the PA-T3+
Checking the Configuration
loopback network line Sets the interface into network line
loopback mode. Network line loopback
loops the data back toward the network
(before the framer).
Router(config)# interface serial
10/0/0
router(config-if)# loopback network
line
loopback network payload Sets the interface into network payload
loopback mode. Network payload
loopback loops just the payload data back
toward the network at the T3+ framer.
Router(config)# interface serial
10/0/0
router(config-if)# loopback network
payload
loopback remote
1
Sets the interface into remote loopback
mode. Remote loopback loops the data
back toward the network (before the
framer at the remote T3 device).
Router(config)# interface serial
10/0/0
router(config-if)# loopback remote
1. Remote loopback mode works with C-bit framing only. The other loopback modes listed above work with C-bit, M13, and bypass framing. Refer to the
“Specifying T3+ Framing” section on page 4-16 for information on configuring C-bit framing.
Table 4-9 Using loopback Commands
Command Function Example