Chapter 1: Brief Introduction; Precautions; Technical Index - PABX TC-2000 A 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 Unplug during install or remove the expansion boards, and the boards should be
installed or removed vertically to avoid short circuit.
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

No
Capacity
1
2
Ringing current
3
Communicate Channel
4
Transmission Attributes
5
External Music Input Power Level
Feedback current
6
Degree of unbalance about Earth
7
8 Dial mode
Signal tone
9
Caller ID
10
11 Power supply
Backup battery
12
Names
CO line: 1 to 6;
Model TC-2000H=AC65V/36Hz
Other models= AC65V/50Hz
7 channels
* Extension to extension
* Extension to trunk line
1Vrms ,Resistance:10K
DC48V/25mA
* 300Hz --- 600Hz
* 600Hz --- 3400Hz
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: DTMF, FSK ( Bell .202) ;
* Send: FSK
*Normal power: AC220V 10%/15VA.
*Use power switch(TC-2000H): AC80V~260V/35VA.
*6V/10AH, charge current
- 2 -
Specifications
Extension: 4 to 32
1.5dB
2.0dB
≥
40dB
≥
46dB
≤1A.