Zhone Technologies Z-PLEX-10-24-DOC-SC ユーザーズマニュアル
Zhone Technologies / 5-5
Diagnostics
Testing FXO and FXS ports
Figure 5-2. Data port loopbacks
To activate a data port loopback, use the following command:
user>
SET DPCFG:LOOPBACK:1:(LINE/LOCAL)
To de-activate a data port loopback, use the following command:
user>
SET DPCFG:LOOPBACK:1:OFF
5.4
Testing FXO and FXS ports
The Z-Plex unit provides the following testing capabilities for FXO and FXS ports:
T1 Network
Transmit
Receive
Transmit
Receive
LIU
FRAMER
CPU
CPE Device
Data Ports 1 and 2
T1 Network
Transmit
Receive
Transmit
Receive
LIU
FRAMER
CPU
CPE Device
Data Ports 1 and 2
Network or Remote Loopback
The selected DS0s are looped back
after leaving the Framer and upon
reaching the CPU. The CPU is used
to control this loopback via the TSA.
Subsystems T1 Line Interface Unit,
T1 Framer, and CPU are exercised.
after leaving the Framer and upon
reaching the CPU. The CPU is used
to control this loopback via the TSA.
Subsystems T1 Line Interface Unit,
T1 Framer, and CPU are exercised.
Local Loopback
The Data Port interface signal is
looped inside the CPU and
returned to the data port interface.
Subsystems CPU and the Data
Port Interface are exercised.
looped inside the CPU and
returned to the data port interface.
Subsystems CPU and the Data
Port Interface are exercised.