Datasheet

Configuration Tasks
PA-E3 and PA-2E3 Serial Port Adapter 3
Troubleshoot the PA-E3 Port Adapter
To set the following loopbacks to troubleshoot the PA-E3 port adapter using Cisco IOS software,
perform the first task beginning in global configuration mode followed by any of the other tasks
depending on your needs:
These loopback commands loop all packets from the E3 interface back to the interface and also
direct the packets to the network.
Monitor and Maintain the PA-E3 Port Adapter
After configuring the new interface, you can display its status. To show current status of the E3
interface on the PA-E3 port adapter, perform any of the following tasks in EXEC mode:
Change the DSU mode. To connect to another
PA-E3 port adapter or a Digital Link DSU, use the
default mode (0). To connect to a Kentrox DSU, use
mode 1.
dsu mode {0 | 1}
Change the framing used by the interface. framing {g751 | bypass}
Change the international bit used by the interface. international bit {0 | 1} {0 | 1}
Invert the data stream on the interface. invert data
Change the national bit used by the interface. national bit {0 | 1}
Enable scrambling on the interface. scramble
Task Command
Loopback after the LIU toward the terminal. loopback dte
Loopback after going through the framer toward
the terminal.
loopback local
Loopback toward the network before going
through the framer.
loopback network line
Loopback toward the network after going through
the framer.
loopback network payload
Task Command
Display statistics for the E3 interface. show interfaces serial slot/port-adapter/port
(Cisco 7500 series and Cisco 7000 series routers
with the RSP7000 and RSP7000CI)
show interfaces serial slot/port (Cisco 7200 series)
Display the configuration information for the E3
interface.
show controllers serial slot/port-adapter/port
(Cisco 7500 series and Cisco 7000 series routers
with the RSP7000 and RSP7000CI)
show controllers serial slot/port (Cisco 7200
series)
Task Command