Specifications

OfficeServ 7200 General Description Guide CHAPTER 2. OfficeServ 7200 Hardware
© Samsung Business Communications Page 2-11
Ports & LEDs Function
CLK LED This LED indicates whether this module is a master or slave.
- On : The module is receiving the clock signal from the network and is the mas-
ter clock source for the system.
- Off : The module is not receiving the clock signal from the network OR it is not
the master clock source for the system.
TP1 LED This LED indicates whether the T1 is established.
- This LED lights once the T1 is established.
TP2 LED This LED indicates whether the PRI is connected.
- This LED lights once the PRI is connected.
3.2.2 4BRI
The 4BRI module provides four ports for BRI-T/S connection. It transmits voice
via the trunk line and a channel transmits voice data at 64 kbps
Major Functions
The 4BRI module performs the following functions:
y Processes T or S signals by programming.
y Processes the following signals by programming: Point to Point Normal, Point
to Point DDI, Point to MultiPoint.
y Switchable Resistor Terminations (100Ω)
y Endures the ITU-recommended level of surge.
y Protects the output port by monitoring line signals.
y Crystal-less wander and jitter attenuation/compensation to TR62411.
y Attenuates/compensates jitter as recommended in ITU-T I.431 and G703.
y Performs local/remote loopback for test.
Specifications
The 4BRI module has eight line ports.