Figure 2.13 E8S Line Connection Part; Table 2.14 E8S Ports For External Connections - Samsung OfficeServ 7070 System Description

Pbx/pabx phone system

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Table of Contents

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Line connection part

The E8S board has the line connection part for connecting subscriber/trunk lines.

Port

P10

P11

P12

P13

P14

2.3.4 Data Board

The Modem used in OfficeServ 7070 system should support 2 wire full duplex, can be

shared with the Modem of OfficeServ 7400 system. Modem board is mounted on Loc. 3 of

BMP board. When the board is mounted, be careful of the direction of the connectors.

Modem board is connected to OfficeServ 7070 system through V.24 interface and uses the

Modem chip for central office that PCM highway interface is available. In addition, the

Modem board supports the V.90 protocol. Modem board is controlled through the serial

communication type in OfficeServ 7070 and the command used is standard AT commands.

Key functions

The Modem board has the following functions:



Base board has a 2-Wire Full Duplex Modem and can commonly use it with

OfficeServ 7000 series system. Be careful of the direction of the connectors when

mounting/demounting the board to the BMP board.



The Modem board operates in OfficeServ 7070 via V.24 interface and uses a Modem

chip for Central Office, which can perform Pulse Code Modulation (PCM) highway

interface. In addition, the Modem board supports V.90 protocol. OfficeServ 7070

controls the Modem board via serial communication using standard AT commands.



The main purpose of Modem is a remote DB access through IT(Installation-Tool).

2-22

P10

P11

P12