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DSU III AR

ADTRAN

DSU III AR

Card Type

DSU

Chip Set

Unidentified

I/O Options

25-pin DTE ports (2), V.35 DTE port, dedicated network port (RJ-48), power

Maximum Data Rate

64Kbps

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Dedicated network port

CN1

V.35 DTE port

CN4

25-pin DTE port - auxiliary

CN2

Power

CN5

25-pin DTE port - primary

CN3

Power switch

SW1

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

RS

Unidentified

On

RTS signal high

RS

Unidentified

Off

RTS signal low

CS

Unidentified

On

CTS signal high

CS

Unidentified

Off

CTS signal low

TD

Unidentified

On

Data is being transmitting from DTE

TD

Unidentified

Off

Data is not being transmitting from DTE

RD

Unidentified

On

Data is being received from network

RD

Unidentified

Off

Data is not being received from network

CD

Unidentified

On

Frame synchronization is established. Device is ready to transmit/receive data

CD

Unidentified

Off

Frame synchronization is not established. Device is not ready to transmit/receive data

ALM

Unidentified

On

Open loop, loss of frame synchronization, dial backup mode, or problem with dial backup line alarm condition detected on network

ALM

Unidentified

Off

Open loop, loss of frame synchronization, dial backup mode, or problem with dial backup line alarm condition not detected on network

TST

Unidentified

On

Device is conducting a test

TST

Unidentified

Off

Device is not conducting a test