ADTRAN DTE Port Interface Card Slots, Alarm Connector, Function, 1. T3SU 300 Rear View

Models: T3SU 300

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Function

Chapter 2. Installation and Operation

B

F

L

R

V

Z

DD

JJ

NN

ALARM

NC COM NO

D

J

N

T

X

BB

FF

 

LL

 

 

A

E

K

P

U

Y

CC

HH

MM

 

 

C

H

M

S

W

AA

EE

 

KK

 

 

V.35 INTERFACE

HSSI INTERFACE

 

DTE PORT 4

DTE PORT 3

DTE PORT 2

DTE PORT 1

AUX

 

 

 

DS3 INTERFACE

LAN

RX IN

TX OUT

Item

Function

On/Off Switch

On/off control

115 VAC Connection

Power connection

DTE Ports 2-4

Interface option card slots

Alarm

NC/NO relay contacts

DTE Port 1

Integral HSSI interface

Aux

Function depends on product

 

version (see page 2-5)

LAN

10baseT LAN connection

DS3 Interface

T3 service connection

Figure 2-1. T3SU 300 Rear View

DTE Port Interface Card Slots

The T3SU 300 rear panel has three card slots for the installation of optional interface cards. To insert cards, perform the following procedure:

1.Remove blank slot cover from the rear of the T3SU 300.

2.Slide the card into the corresponding rear slot until the card panel is flush with the T3SU 300 chassis.

3.Push in thumbscrews and turn clockwise to secure the card and ensure proper connection to the main board of the T3SU 300.

Alarm Connector

The alarm connector is a three-position, screw-type terminal block that is connected to the three contacts of a Form C-type relay on the main board of the T3SU 300. This relay is activated any time the T3SU 300 detects an alarm condition on the T3 network interface.

2-4

T3SU 300 User Manual

61200217L1-1

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ADTRAN user manual DTE Port Interface Card Slots, Alarm Connector, Function, 1. T3SU 300 Rear View