CS61574A datasheet(33/44 Pages) CIRRUS

33 / 44 page

Features

• Socketed Line Interface Device

• All Required Components for Complete

Line Interface Evaluation

• Configuration by DIP Switch or Serial

Interface

• LED Status Indicators for Alarm

Conditions

• Support for Host, Hardware, and

Extended Hardware Modes

General Description

The evaluation board includes a socketed line interface

device and all support components necessary for

evaluation. The board is powered by an external 5 Volt

supply.

The board may be configured for 100

Ω twisted-pair

T1, 75

Ω coax E1, or 120 Ω twisted-pair E1 operation.

Binding posts are provided for line connections. Sev-

eral BNC connectors are available to provide system

clocks and data I/O. Two LED indicators monitor de-

vice alarm conditions. The board supports all line

interface operating modes.

ORDERING INFORMATION:

CDB61534,

CDB61535.

CDB61535A,

CDB6158,

CDB6158A,

CDB61574,

CDB61574A, CDB61575,

CDB61577,

CDB61304A, CDB61305A

SEP ’95

DS40DB3

Crystal Semiconductor Corporation

P.O. Box 17847, Austin, TX 78760

(512) 445-7222 FAX: (512) 445-7581

Line Interface Evaluation Board

CDB61534, CDB61535, CDB61535A, CDB6158,

CDB6158A, CDB61574, CDB61574A, CDB61575,

CDB61577, CDB615304A, & CDB61305A

ACLKI

TCLK

TPOS

(TDATA)

TNEG

RNEG

(BPV)

RPOS

(RDATA)

RCLK

CS61534,

CS61535,

CS61535A,

CS6158,

CS6158A,

CS61574,

CS61574A,

CS61575,

CS61577,

CS61304A

CS61305A

Reset

Circuit

Mode Select

Circuit

(TCODE)

+5V

LED Status

Indicators

Hardware

Control Circuit

Serial Interface

Control Circuit

TTIP

TRING

RTIP

RRING

XTL

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