Specifications

Chapter 2 - Installation Administration Manual (SIP/MGCP Version)
AT-VP504E FXS 22
Troubleshoot-
ing During Pro-
visioning
If contact is not established properly with the various agents involved,
see the following Table for possible problems and solutions:
Using the Dual-
Mode Default Set-
tings Switch
You can use the dual-mode Default Settings switch on the back of the
AT-VP504E FXS in two different ways:
Pressing the Default Settings switch for less than 15
seconds at startup will boot the AT-VP504E FXS in
“Recovery Mode”.
Pressing the Default Settings switch at startup for at least
15 seconds will apply the “Factory Settings” procedure.
This feature will permit to revert back to the default
factory settings of the AT-VP504E FXS.
You should use the dual-mode
Default Settings switch only in case of
emergencies, i.e. when the AT-VP504E FXS refuses to work properly
for any reason or the connection to the network is lost.
Recovery Mode Using the
Default Settings switch in Recovery mode will assign a static
default IP address.
To use the Default Settings switch in Recovery Mode:
1. Power the AT-VP504E FXS off by unplugging the power
connector.
2. With a 10/100 Hub and two (2) 10/100 BaseT Ethernet RJ-45
straight cables, connect both cables to the Hub; one of them
Table 12: Troubleshooting During Provisioning
Problem Solution
DHCP does not answer If, after 5 requests in 20 seconds, the DHCP
does not answer, the AT-VP504E FXS stops
requesting DHCP offers. You must then set
the IP addresses and network parameters
through static values.
Unit Manager does not
answer
If the Unit Manager does not answer before
the retry count elapses, the AT-VP504E FXS
stops the provisioning sequence.
If the AT-VP504E FXS does not use any Unit
Manager address, it stops the provisioning
sequence.