MSA4709A View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

MFG CO.

MSA4709A

Subscriber Line Interface Circuit

Oki Electric Industry 

TIP

RING

CB

G

PE

TIP Current

DET

PB

TIP Current

Drive Amp.

B

CDP

IL

Over Voltage

Protection

A

Interface

Circuit

SCN SEL

RG RB

Loop & Fault

DET

RING TRIP

ZX ZX

BN Zt

HYB

ZR ZFR

4WR

NB

NE

VBB

Ring Current

DET

Ring Current

Drive Amp.

Relay Driver

RSI

CN CDC

RSO

RY VBB

or

VEE

RI

VCC

VBS

BF

VEE

4WS

Zb

ZR

4WR

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