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Maintenance – AT&T DEFINITY 555-230-223 User Manual

Page 126

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Maintenance

Balun

Ethernet Coaxial Cable

(Twisted

Telnet Management

(Twisted Pair)

10BaseT

HUB

LAN

Server

— Provided by AT&T

RJ45

Software

— Installed by customer
— Maintained by customer

— RJ45 connection

— Located on cross-connect field
— Maximum distance - 25 feet from switch

10BaseT

10BaseT

LAN

Server

ALB

Cable

Alarm

Board

(Not Used)

Switch

TN2170 RS-232

Pair)

Modem

Null Modem

T/R

House
Wiring

Z3A4

Z3A1

Modem

Adapter

Power

Supply

Power

Supply

7400B

Site-

Specific

Connection

Power

Supply

7400A

Multi-

Function

Board

Main/Port A

MFB

Y

Cable

Terminal

Demarcation Point

Admin/Port B

DEFINITY LAN Gateway Client

Client

Telnet Management

Client

NOTES:

using a D8W modular wall cord

The TN2170 can have similar
connections as on Admin/Port B.

9600 baud modem

DEFINITY LAN Gateway Client

T/R

Modem

AT&T Services Remote Access

G311

H600-258 G1

ED 1E434-11

Figure 4-4. Available Terminal Connections to a DEFINITY LAN Gateway System

Issue 1 January 1996

4-11