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System Equipment include the PABX main parts and outer equipments such as Battery,
Voice Recorder and Computer etc. The equipments are as below figure:
2 SYSTEM EQUIPMENT
2.1 CLASSIFY FOR SYSTEM EQUIPMENT
EXTERNAL LINES = 8
INTERNAL LINES = 128
8128 Structure
Power
supply
box
T
one
board
01-08
C.O
line
board
Empty
socket
Extension
board
Extension
board
Extension
board
No.1
Extension
board
01
02
03
04
05
06
15
16
17
18
19
20
Extension
Computer
Recorder
Audio amplifier
Loudspeaker
Microphone
Radio
Reserve Battery
Power
supple
Line
frame
C.O
line
C.O
line
1.3 EXTERNAL AND INTERNAL CALLER ID
This PABX is capable of receiving external FSK or DTMF Caller ID send from the
local telephone company. In order for the Caller ID to work, the user must subscribe
to the Local Telephone Company for the service.
Internal Caller ID is available within all of internal extensions.
External Calls with telephone number of caller transferred to the internal extensions
telephone. The internal extension telephone must have DTMF Caller ID detection
capabilities. If the external call is transferred to another internal extension, the
Caller ID will be transferred to the new extension too.
