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Chapter 8: Diagnostics/Maintenance
Common Symptom/Problem
Communication with Command Line Inter-
face (CLI) cannot be established using Tel-
net.
Communication with Router, Ethernet Hub,
or switch cannot be established.
Communication between computer's serial
port and Tenor CMS console port cannot be
established.
Tenor CMS cannot receive or transmit calls.
For DC only: The breaker trips due to exces-
sive current.
Unit Provisioning
An error with Tenor CMS's provisioning may cause a number of problems. Sometimes, it may be a simple
error, such as an incorrect IP address or telephone number, or it may be something more complex, such as
incorrect T1/E1 parameters.
Evaluate your system provisioning. Check all data provisioning information, and re-configure if necessary.
See Chapter 8: Diagnostics/Maintenance.
Ping Unit
Ping enables you to ping an IP address. See Chapter 4: Getting Started with Command Line Interface (CLI)
for more information.
8-4
Description/Solution
The IP address of the Tenor CMS unit may be incorrect.
Check Ethernet Cable.
Verify the IP address of Tenor CMS. Check the Default
Gateway Subnet Mask. Check Ethernet connection via RS-
232 connection. See Chapter 3: Installation.
Verify network connectivity using ping from another net-
work host. See Chapter 4: Getting Started with Command
Line Interface (CLI).
Verify RJ-45 cable is firmly installed in System Control-
ler's Ethernet port.
Check MDI/MDIX configuration. Check duplex setting on
the switch in which they were connected and the speed of
10MB or 100 MB.
Verify use of null modem cable (for System Controller)
or RS232 for (CPU card).
Verify DB-9 cable is firmly placed in the System Control-
ler/CPU's console port and your PC's serial port.
Verify Terminal port settings at 38400 BPS 8N1 No Flow
Control.
Check DS1 card Span Status LEDs. If unlit, it indicates that
the T1 or E1 lines may be down.
Generate alarm list for more information.
Contact Central Office for interface issues.
Power on/off using the circuit breaker.
P/N 480-0005-00-15
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