Chapter 1: Brief Introduction; Precautions; Technical Index - PABX TC-208 SP Instruction Manual

Chapter 1: Brief Introduction

1.1 Precautions

1.1.1 Keep the unit away from heating appliances and electrical noise generating devices
such as motors and televisions, these noise sources can interfere with performance
of machine.
1.1.2 Keep away from AC power source when install the telephone cables.
1.1.3 Avoid using the same power supply outlet for computers and other office equipments,
otherwise, the system operation may be interrupted by the induction noise.
1.1.4 All connection ( power, CO line, extension )should be good, otherwise, noise or
discontinuity would happen.
1.1.5 After system is started, if it does not operate properly, please restart it, if it is still works
improperly, please contact with your dealer.
1.1.6 This unit should be kept free of dust, moisture, high temperature and vibration, and
should not be exposed to direct sunlight.
1.1.7 Never attempt to insert wires, pins, etc. Into the vents or other holes of this unit.
1.1.8 Do not use benzine, thinner, or the like, or any abrasive powder to clean the cabinet.
Wipe it with a soft cloth.

1.2 Technical Index

Names
No
Capacity
1
2
Ringing current
3
Communicate Channel
4
Transmission Attributes
5 Feedback current
6 Degree of unbalance about Earth
Dial mode
7
8
Signal tone
Caller ID
9
10
Power supply
11
Power Failure Transferred
Specifications
CO lines:1 to 2 Extension: 1 to 8
Ac65v / 50Hz.
7 channels
* Extension to extension 1.5dB
* Extension to trunk line 2.0dB
DC32V/25mA
* 300Hz --- 600Hz 40dB
* 600Hz --- 3400Hz 46dB
DTMF
* CO line: Tone from local telecom office;
* Internal dial tone: 450Hz, continuous sine wave;
* Internal ringback tone: 450Hz, sine wave, 1s on / 4s off;
* Internal busytone: 450Hz, sine wave, 0.3s on / 0.3s off;
* Internal error tone: 450Hz, sine wave, 0.3s on / 0.3s off;
* Internal confirmation tone: 450Hz, sine wave, 1s on;
* Receive / Send: DTMF, FSK ( Bell .202) ;
¡ À
AC220V 10% /15W The actual voltage is according to
label data which upon power socket.
When the power failure extension 801 and CO line 1
still can work normally.
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