OfficeServ 100 Installation Manual/Ed.00
© SAMSUNG Electronics Co., Ltd.
3-9
3.10 4BRI (4S0T0)/2BRI (2S0T0) Card
This card supports both of S and T reference points defined by ITU-T. You can select the
S/T mode of each port respectively by MMC. Insert the 4BRI(4S0T0) card or
2BRI(2S0T0) into the universal slot and push firmly in the middle of both card ejectors to
ensure that it is fully inserted into the back plane connector.
BRI card needs PLL board. Before installing 4 BRI, 2BRI, PLL board must be installed.
The BRI card is equipped with DIP switch controlled line termination registers.
There are options for termination as follows.
ON: with termination.
OFF: without termination
Figure 3.7 4BRI/2BRI Card