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ACCULINK 3174 DSU/CSU

PARADYNE CORPORATION

ACCULINK 3174 DSU/CSU

Card Type

DSU/CSU

NIC Type

E1

Chip Set

Unidentified

I/O Options

DTE ports (5), BNC connectors (2), auxiliary port, communications port network interface via RJ-45 connector, test jacks (6), power jack

Wiring Type

RJ-48 120ohm shielded twisted pair

BNC 75ohm shielded twisted pair

Maximum Data Rate

56Kbps (64Kbps full duplex)

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Test jack - line in

CN1

DTE port (15-pin connector)

CN10

Test jack - line in

CN2

DTE port 3 (25-pin serial connector)

CN11

Test jack - line in

CN3

DTE port 4 (25-pin serial connector)

CN12

Test jack - line out

CN4

15-pin clock port

CN13

Test jack - line out

CN5

DTE port 1 (25-pin serial connector)

CN14

Test jack - line out

CN6

DTE port 2 (25-pin serial connector)

CN15

Power Jack

CN7

Network interface via RJ-45 connector

CN16

Auxiliary port

CN8

BNC connector - receive

RX

Com port

CN9

BNC connector - transmit

TX

USER CONFIGURABLE SETTINGS

Setting

Label

Position

120ohm balanced network interface selected

SW1

On

 

75ohm unbalanced network interface selected

SW1

Off

Open shield connection established

SW2

On

 

Earth shield connection established

SW2

Off

Note: SW2 must be on when using the 120ohm interface

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

OK

Green

On

DSU/CSU power is on

OK

Green

Blinking

DSU/CSU is downloading software

OK

Green

Off

DSU/CSU power is off or detecting a system failure

FAIL

Yellow

On

Error has been detected on network

FAIL

Yellow

Off

Error has not been detected on network

FAIL

Yellow

Blinking

DSU/CSU is conducting a self test

TST

Yellow

On

DSU/CSU is executing a test

TST

Yellow

Off

DSU/CSU is not executing a test

SIG

Green

On

DSU/CSU is receiving a recoverable signal from network

SIG

Green

Off

DSU/CSU cannot recover the signal from network

OOF

Yellow

On

Out of frame condition detected on network

OOF

Yellow

Off

Out of frame condition not detected on network

ALM

Yellow

On

Alarm condition detected on network

ALM

Yellow

Off

Alarm condition not detected on network

EER

Yellow

On

Excessive error rate exceeded on network

EER

Yellow

Off

Excessive error rate not exceeded on network

DTE DROP/INSERT AND DATA PORT LED(S)

LED

Color

Status

DTE drop/insert port

Data port

LED1

Green

On

A recoverable signal is being received from network

DTR signal is high

LED1

Green

Off

DSU/CSU cannot recover the signal from network

DTR signal is low

LED2

Yellow

On

Out of frame condition detected on network

Receiving all ones from the DTE

LED2

Yellow

Off

Out of frame condition not detected on network

Receiving all zeros from the DTE

LED2

Yellow

Blinking

N/A

Data is being transferred

LED3

Yellow

On

Alarm condition detected on network

Transmitting all ones from the DTE

LED3

Yellow

Off

Alarm condition not detected on network

Transmitting all zeros from the DTE

LED3

Yellow

Blinking

N/A

Data is being transferred

LED4

Yellow

On

A pulse density violation was detected (and corrected) on network

CTS signal is high

LED4

Yellow

Off

A pulse density violation was not detected on network

CTS signal is low

LED5

Yellow

On

A bipolar violation was detected (and corrected) on network

RTS signal is high

LED5

Yellow

Off

A bipolar violation was not detected on network

RTS signal is low