Appendix
Index of system programming
Introduction to TC-2000 system
TC-2000 Seires System is "Private Branch Exchange"(abbreviated as PBX), which is a Telephone System that switches calls between users on internal telephone lines while allowing other users to share a certain number of external telephone lines
Fundamental Technical Information:
We integrate in this model special-purpose telecommunication ICs from American & Japanese companies, for lower energy consumption, small size, compact appearance, disturbance resistance, high reliability, simple installation andprogramming.
The internal structure
Master control system
Extension system
Power control system
Operating Principle
The structure and its operating principle are shown in the following graph.
CO Line, thunder-strike resistance, constant current load, signal exchange matrix, signal tone, ringing testing,DTMF decoding, memory, CPU, pick-up and hang-up testing, extension, constant current source, ringing activator.
Features and Specifications
The TC-2000 Series are designed to provide a family and small office with low cost professional telecom service.The maximum capacity is 1 to 6 CO lines and 8 to 32 Extensions.
The Auto-Attendant Service (DISA: Direct Inward System Access) with OGM (Outgoing Message service) allows the system to make the Maximum use of the CO line.
System Features of TC-2000 Series
There are number of supplementary features to indicate quality of TC-2000 Series System
OGM Recording with DISA(Auto-attendant)
Call Transfer & Call pickup
music on holding
Ringing Assignment
Flexible Coding
Seven Level Call Restriction
Call duration control
Automatic distinguishes CO Lines
Power Failure Transfer
Three way conference
Intercom dialing
Multiple communication lines
Caller ID
Call Forwarding
Doorbell and door lock
Monitor and recorder
Specifications
Capacity: CO Lines: 1 to 6
Extensions: 8 to 32
Relative humidity 90%
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Before Installation
For easy and quick installation and connection, it is strongly recommended that the user read and follow the following instruction carefully so as not to damage the system accidentally by incorrect operation.
Safety Installation Instructions
When installing telephone wires, basic safety precautions should always be followed to reduce the risk of fire, electric shock and injury to persons. Including the following:
Installation precautions
This set is exclusively made for wall mounting or set on desk. Avoid installing in the following places (Doing so may result in malfunction, noise, or discoloration).
Power Failure
In the event of power fialure, CO.1 to CO.4 will be connected to EXT.801--804 automatically. But CO.5 & CO.6 can`t be used for 6 CO line unit.
Call ID
FSK/DTMF compatible Caller ID function is successfully equipped on TC-2000 system. The steps are as below:
Structural connection:
Format: * 01 abcd #
Explanation: abcd is the password.
Format: * 02 abcd #
Explanation: abcd is the new password.
Format: * 1 m abcd #
Format: * 2 1 #
The default setting for TC-2000 series:
Operating mode: Operator mode
Ringing extension: 801 to 804
External lines: 1 to 6
Trunk line grouping: not set
Outgoing class: 1
Restrict outgoing digits: No
Original EXT number: 801 to 832
Dialing out mode: Dial "0" or patting hook for outgoing calls
This system provides 4 dialing modes to meet the different need of customers: direct dialing out, patting hook dialing out, direct out by dialing "0" first and dialing out by a special line.
Format: * + Extension number
Format: Dial the extension number directly.
Format: Pat the hook then dial the extension number
Description: Allows you to transfer an incoming call to another extension.
Format: Pat the hook then dial the extension number
Description: This funciton let you make an outgoing call from one extension then divert and connect other extension to CO line.
Format: Pat the hook and * and extension number
Description: Allows you to add a third party to a two-party conversation and make a three-party comference. You can have only two extensions with one CO line.