Quintum Technologies Tenor DX - Manual (Page 91)

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Chapter 9: Diagnostics/Maintenance
Diagnostics
Common Symptoms/Problems
Below is a list of common symptoms and problems you may encounter. Use this list as a guideline; if your
problem is not listed, use the diagnostic procedure explained in the beginning of this chapter.
Table 9-1 Common Symptoms/Problems
Common Symptom/Problem Description/Solution
Unit will not turn on. Check AC power source.
Communication between Tenor DX and the
PBX or PSTN cannot be established. There are several reasons why communication may not be
successful. A few of the most common are listed below.
Verify correct cables are installed in the T1/E1/PRI ports.
See Chapter 3: Installation.
Unit configuration may be wrong. Examine the configura-
tion parameters via Configuration Manager or CLI.
Network issues may cause a number of problems. Contact
the Central Office to perform test procedures.
Communication with Command Line Inter-
face (CLI) cannot be established using Tel-
net. The IP address of the Tenor DX unit may be incorrect.
Check Ethernet Cable.
Verify the IP address of Tenor DX. Check the Default Gate-
way 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: Tenor Configu-
ration Manager/Tenor Monitor.
ALERT LED is on and not flashing. One or more internal diagnostic tests have failed. Contact
customer service. LED will stay on for a minute or so when
the unit is powered up.
Communication with Ethernet Hub, or
switch cannot be established. Verify RJ-45 cable is firmly installed in the 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.
Communication between computer’s COM
port and Tenor DX serial port cannot be
established. Verify DB-9 cable is firmly placed in the unit’s console port
and your PC’s serial port.
Verify Terminal port settings at 38400 BPS 8N1 No Flow
Control.