Samsung OfficeServ 7400 General Description Manual

Also see for OfficeServ 7400: System administration guide User guide User instructions Technical manual General description

Contents

OfficeServ 7400 General Description© Samsung Business Communications 2-15The components on the front panel of the TEPRI2 have the following functions:Table 2.9 Front Panel of TEPRI2 ModulePort / LED Function DescriptionP1 Port 1 for connecting T1/E1/PRI cablesP2 Port 2 for connecting T1/E1/PRI cablesLAN Port for connecting to EthernetSIO UART port (for testing)TP1 LED Indicates the type of program operated in Port 1- On: PRI in operation- Off: T1/E1 in operationTP2 LED Indicates the type of program operated in Port 2- On: PRI in operation- Off: T1/E1 in operationL21 LEDL22 LEDIndicates the status of Layer 2- On: Normal- Off: AbnormalAIS1 LEDAIS2 LEDIndicates the reception of the alarm bit of the remote system switch- On: Alarm bit received- Off : Alarm bit not receivedLOS1 LEDLOS2 LEDIndicates the signal loss (LOS) of the remote system switch- On: When signals are weak or have been damaged- Off: When signals are received properlySYN1 LEDSYN2 LEDIndicates the status of frame synchronization with the remote system switch- On: No frame synchronized- Off: Frame synchronizedRUN LED LED green: When E1 operates normally (blink cycle of 200 ms)LED orange: When T1 operates normally (blink cycle of 200 ms)CLK LED LED turns on when the reference clock is used as a system clock.2.3.2.3 4BRIThe 4BRI module provides four ports for BRI-T/S connection. It transmits voice via thetrunk line and a channel transmits voice data at 64 kbps.Main FunctionsThe 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 PointDDI, 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 wanders and jitter attenuation/compensation to TR62411.