Panasonic KX-HTS Series, Руководство пользователя

Страница: 83 / 91

6.1.1 Installation
6.1 Troubleshooting
6.1.1 Installation
PROBLEM PROBABLE CAUSE SOLUTION
You cannot make/receive • Mother board • Replace the mother board (be sure to turn
calls via an IP network. malfunction off the PBX when replacing).
• Poor connection • Make sure that an 8-pin twisted pair cable
is used for connection.
• Make sure that none of the CAT 5/CAT 5e
cables in use are over 100 m in length.
• Make sure that a straight cable is used for
connection to a switching hub.
• Network malfunction • Make sure that all network devices in use
are switched on.
• Make sure that there is no unwanted
firewall in the IP network.
SIP phones do not operate. • Mother board • Replace the mother board (be sure to turn
malfunction off the PBX when replacing).
• SIP phone not registered • Register the corresponding SIP phone.
• SIP phone malfunction • Replace the SIP phone.
• Poor connection • Make sure that an 8-pin twisted pair cable
is used for connection.
• Make sure that none of the CAT 5/CAT 5e
cables in use are over 100 m in length.
• Make sure that a straight cable is used for
connection to a switching hub.
• Network malfunction • Make sure that all network devices in use
are switched on.
• Make sure that the SIP phone is not blocked
by the firewall or other network devices.
Extensions do not operate. • Extension card • Replace the corresponding card.
malfunction
• Poor connection
• Take the extension and plug it into the
between the PBX and same extension port using a short
the extension telephone cord. If the extension works,
then the connection between the PBX and
the extension must be repaired.
• Extension malfunction • Take the extension and plug it into
another extension port that is working. If
the extension does not work, replace the
extension.