Troubleshooting

11 Troubleshooting

Symptom

 

Possible cause

Solution

 

 

 

 

 

 

No display

 

Batteries uncharged

Check the position of the

 

 

 

 

 

batteries

 

 

 

 

 

 

 

 

 

 

 

Recharge the batteries

 

 

 

 

 

 

 

 

 

 

Handset turned OFF

Turn ON the handset

 

 

 

 

 

 

No tone

 

Telephone cord badly connected

Check the telephone cord

 

 

 

 

 

connection

 

 

 

 

 

 

 

 

 

 

The line is occupied by another

Wait until the other handset

 

 

 

 

handset

hangs up

 

 

 

 

 

 

The icon

 

 

flashes

Handset out of range

Bring the handset closer to the

 

 

 

 

 

 

 

base

 

 

 

 

 

 

 

 

 

 

The base has no power supply

Check the mains connection

 

 

 

 

 

to the base

 

 

 

 

 

 

 

 

 

 

The handset is not registered on

Register the handset on the

 

 

 

 

the base

base

 

 

 

 

 

Base or handset do not ring

The ringing volume is off or low

Adjust the ringing volume

 

 

 

 

 

Not possible to transfer a call

The Flash Time is too short or

Change the Flash Time

on PABX

 

too long

 

 

 

 

 

 

Telephone does not react to

Manipulation error

Remove the batteries and put

pressing the keys

 

them back in place

 

 

 

 

 

 

12 Technical dataTechnical characteristics

Standard

DECT(Digital Enhanced Cordless Telecommunications)

 

GAP (Generic Access Profile)

Frequency range

1880 MHz to 1900 MHz

Number of channels

120 duplex channels

Modulation

GFSK

Speech coding

32 kbit/s

Emission power

10 mW ( average power per channel )

Range

300m in open space /50m maximum inhouse

Number of handsets

Up to 4

Base powersupply

230V / 50 Hz / 6V DC 300mA

Handset Batteries:

2 rechargeable batteries AAA, NiMh 1,2V, 600mA

Handset autonomy

110 hours in standby

Handset talk time

11 hours

Normal conditions of use

+5 °C to +45 °C

Dialling mode

Pulse / Tone

Flash time

100 or 250 ms

English

24

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Topcom 5750 manual Troubleshooting, Technical dataTechnical characteristics, Symptom Possible cause Solution