Table 2.9 Ports Of 4Tm Board; Figure 2.6 Board View Of 4Tm - Samsung OfficeServ 7030 System Description

CHAPTER 2. Hardware o f OfficeServ 7030
2.3.2.2 4TM
4TM (4 port Trunk Module) provides analog trunk line ports. One board has the CID path.
In addition, the board provides voice through trunk lines and transmits the voice data of 64
kbps to each channel.
Main Functio ns
4TM voice trunk line board performs the functions below:
Detecting ring reception
Ÿ
Detecting on/off-hook
Ÿ
Transmitting dial pulse
Ÿ
CID function
Ÿ
Line monitoring function that checks if the line is connected periodically to transmit
Ÿ
the voice data can be transmitted.
Caller information relay path function
Ÿ
Specificatio ns
The specifications of 4TM voice trunk line board are as follows:
Four trunk line ports
Ÿ
Bo ard t View o f 4TM
The front view of 4TM board is shown in the figure below:
The components on the front panel of 4TM have the functions below:
Po rt
P1~P4
2-12
Fig ure 2.6 Bo ard View o f 4TM
Table 2.9 Po rts o f 4TM Bo ard
Functio n Descriptio n
Trunk Ports
© SAMSUNG Electronics Co., Ltd.