Nortel Remote Office 9150 Installation And Administration Manual page 350

Troubleshooting
Symptom
There is no dial tone when
pressing either the host call
appearance or local call
appearance keys. (continued)
Lamps or indicators are not lit
after completion of a Remote
Office 9150 unit power cycle.
Lamps or indicators do not reflect
the true status of the telephone.
The display is blank (that is, the
time and date are not displayed).
326
What to do
6 Contact your telecom administrator. There
might be problems at the host PBX.
1 Check all cable connections to and from the
Remote Office 9150 unit and ensure they are
all securely connected.
2 Is this a first-time installation? If yes, check the
telephone connections. Refer to the Telco 1 and
Telco 2 cable pin-out tables in Appendix C,
"Connection pin-out tables."
3 Ensure the ISDN BRI line is working. Ask
your service provider to check this.
4 Check the IP network and ensure that
n
it is not down
n
traffic is being routed between the Remote
Office 9150 unit and RLC on the host PBX
5 Ping the RLC from the Remote Office 9150
unit to verify IP network connectivity.
It is possible that there is a synchronization error
between the Remote Office 9150 unit and the host
PBX. Contact your telecom network
administrator.
1 Take the digital telephone handset off hook and
dial the Online SPRE code. The Remote Office
9150 unit attempts to connect to the host PBX.
When the connection is established, the time
and date appear.
Standard 2.0
Remote Office 9150