OfficeServ 7100 System Description
© SAMSUNG Electronics Co., Ltd.
2-13
2.3.2.3 8TRK
8TRK board 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 Functions
8TRK voice trunk line board performs the functions below:
Detecting ring reception
Detecting on/off-hook
Transmitting dial pulse
CID function
Line monitoring function that checks if the line is connected periodically to transmit
the voice data can be transmitted.
Caller information relay path function
Specifications
8TRK voice trunk line board has eight trunk line ports.
Front View of 8TRK
The front view of 8TRK board is shown in the figure below:
Figure 2.7 Front View of 8TRK
The components on the front panel of 8TRK have the functions below:
Table 2.8 Ports and LEDs of 8TRK Board
Port, LED
Function Description
P1~P8
Trunk Ports
P1~P8 LED
The status of ports
- Off: Not used
- On: In use
- Blink: On receiving a ring
8TRK
P1
P5
P2
P6
P3
P7
P4
P8
P1
P5
P2
P6
P3
P7
P4
P8