ZyXEL Communications AAM1212, User Manual

Page: 271 / 288

AAM1212 User’s Guide
270 Chapter 33 Troubleshooting
33.6 Local Server
The computer behind a DSL modem or router cannot access a local server connected to the
AAM.
Table 72 Testing In-house Wiring
STEPS TEST
A Connect a standard telephone to MDF 1. If there is no dial tone, then a problem with the
wire or wire connections between MDF 1 and the TELCO exists. Contact your telephone
company for troubleshooting.
B Connect a telephone to the upper port of MDF 2. If there is no dial tone, then the problem is
between MDF 1 and MDF 2. Check the telephone wire and connections between MDFs 1
and 2.
C Disconnect the telephone wire from the CO pin. Connect a telephone to the telephone wire.
If there is no dial tone, then the problem is between your device and MDF 2.
Check the telephone wire’s pin assignments (refer to the appendices for the proper pin
assignments). Replace the telephone wire if the pin assignments are OK and there is still
no dial tone.
D Reconnect the telephone wire to the CO pin.
Disconnect the telephone wire from the USER pin. Connect a telephone to the USER pin
(refer to the appendices for the proper pin assignments).
If there is no dial tone, your device’s internal splitter may be faulty, contact your vendor.
E Reconnect the telephone wire to the USER pin.
Connect a telephone to a lower port of MDF 3. If there is no dial tone, then the problem is
between your device and MDF 3. Check the pin assignments of the telephone wire’s
connector that connects to the USER pin. Replace the telephone wire connecting your
device to MDF 3.
If there is no dial tone, then MDF 3 may be faulty. Contact the telephone company if that is
the case.
F Disconnect the DSL modem from the wall jack and connect the telephone to the wall jack. If
there is no dial tone, then there is a problem with the building wiring between the DSL
subscriber’s home and the MDF. Contact your telephone company for troubleshooting.
Table 73 Local Server Troubleshooting
STEPS CORRECTIVE ACTION
1 Refer to Section 33.3 on page 268 to make sure that the subscriber is able to transmit to
the AAM.
2 Make sure the computer behind the DSL device has the correct gateway IP address
configured.
3 Check the VLAN configuration (refer to the chapter on VLAN).
4 Check the cable and connections between the AAM and the local server.
5 Try to access another local server.
If data can be transmitted to a different local server, the local server that could not be
accessed may have a problem.