Lucent Technologies Transtalk 9000 Voice Quality Problems, For a multiple-carrier installation

Symptom

Possible Causes

Possible Solutions

Handset voice

A competing radio

Place the handset in Wireless Test Mode

quality and range

device (for example, a

as described in Chapter 2. If the signal

are not as good

wireless bar-code

strength and voice quality readings are

as they were

scanner) has been

low, look for a newly installed radio

before.

installed in the area.

device nearby. Remove it or move your

Both products are

handset’s matching radio module at least

competing for the

6 feet (1.8 m) away from the potential

same air space and

interference.

will conflict when both

are being used.

Radio modules are out

For a single-carrier installation, power

of synchronization.

down, then repower the carrier.

For a multiple-carrier installation:

1. Verify that all expansion cables are

installed in the correct IN and OUT

jacks.

2. Verify that all expansion cables are fully

inserted into their jacks.

3. Power down, then repower the control

carrier.

4. Power down, then repower the expansion

carriers in order, from left to right.

Antenna of the radio

Reinstall the radio module or carrier(s) so

module is too close to

that the radio module antenna is 6–12

the ceiling.

inches (15.2–30.5 cm) from the ceiling.

You have a malfunc-

1. Remove all but one radio module from

tioning radio module.

the carrier. (See "Removing a Radio

Module from the Carrier" in Chapter 4.)

2. Test each radio module individually,

verifying that the POWER and PASS

LEDs on each radio module lights when

the carrier is powered.

3. If the PASS LED does not light, the

radio module is malfunctioning. Re-

place the radio module and handset.

Voice quality in a

Handset is too close to

Move the handset at least 6 feet (1.8 m)

specific location

the carrier(s).

away for a one- or two-carrier setup, or

is poor and noisy.

10 feet (3.1 m) away for a three-carrier

setup.