Voice Trunk Line Board; Table 2.7 Ports Of Base Board - Samsung OfficeServ 7030 System Description

CHAPTER 2. Hardware o f OfficeServ 7030
The components on the front panel of the base board have the functions below:
Po rts and LEDs
LAN
MISC
SLT1, SLT2
RST
2.3.2 Vo ice Trunk Line Bo ard
This section describes the boards that offer the voice service of trunk lines.
2.3.2.1 2BM
The 2 BM (2 port BRI Module) provides the digital trunk line. A 2BM board provides
2B+D channels. This board transmits voice via the trunk line and a channel transmits the
voice data of 64 Kbps.
Majo r Functio ns
The 2BM voice trunk line board performs the functions below:
Uses 2port T mode
Ÿ
Endures the ITU-recommended level of surge.
Ÿ
Protects the output port by monitoring line signals.
Ÿ
Crystal-less wander and jitter attenuation/compensation to TR62411.
Ÿ
Specificatio ns
The specifications of the 2BM voice trunk line board are as follows:
Two trunk line port
Ÿ
T-Interface: 4 channels
Ÿ
2-10
Table 2.7 Po rts o f Base Bo ard
Port to connect 100 BASE-T LAN
Port to connect Ext PAGING, DRY CONTACT and Ext MOH
Port to connect SLI
Switch for system Reset
Switch for Data base clear when pushed more than 5second
Functio ns
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