PARADYNE CORPORATION

ACCULINK 3360 NTU

Card Type

Network Termination Unit

NIC Type

E1

Chip Set

Unidentified

I/O Options

BNC connectors (2), auxiliary port (RJ-48), communication port (RJ-48), HDSL network interface via RJ-48 connector, test jacks (6), power jack,

G.703 DTE port, DTE ports (2), clock port

Maximum Transfer Rate

2.048Mbps

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Test jack - Lp1 HDSL line

CN1

Communication port

CN9

Test jack - Lp2 HDSL line

CN2

G.703 DTE port (15-pin connector)

CN10

Test jack - E1 line in

CN3

HDSL network interface via RJ-48 connector

CN11

Test jack - E1 line out

CN4

15-pin clock port

CN12

Test jack - E1 monitor In

CN5

DTE port 1 (25-pin serial connector)

CN13

Test jack - E1 monitor out

CN6

DTE port 2 (25-pin serial connector)

CN14

Power

CN7

BNC connector - receive

RX

Auxiliary port

CN8

BNC connector - transmit

TX

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Open shield connection established

SW1

On

Earth shield connection established

SW1

Off

120ohm balanced network interface selected

SW2

In

75ohm unbalanced network interface selected

SW2

Out

Note: SW1 must be on when using the 120ohm interface

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

OK

Green

On

NTU power is on

OK

Green

Blinking

NTU is downloading software

OK

Green

Off

NTU power is off or detecting a system failure

FAIL

Yellow

On

Device error has been detected

FAIL

Yellow

Off

Device error has not been detected

FAIL

Yellow

Blinking

NTU is conducting a self test

TST

Yellow

On

NTU is executing a loopback or pattern test

TST

Yellow

Off

NTU is not executing a test

SIG1

Green

On

NTU is receiving a recoverable signal from network on loop 1

SIG1

Green

Off

NTU cannot recover the signal from network on loop 1

SIG2

Green

On

NTU is receiving a recoverable signal from network on loop 2

SIG2

Green

Off

NTU cannot recover the signal from network on loop 2

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

G.703 DTE PORT AND DATA PORT LED(S)

LED

Color

Status

G.703 DTE port

Data port

LED1

Green

On

A recoverable signal is being received from G.703 DTE port

DTR signal is high

LED1

Green

Off

NTU cannot recover the signal from G.703 DTE port

DTR signal is low

LED2

Yellow

On

Out of frame condition detected on G.703 DTE signal

Receiving all ones from the DTE

LED2

Yellow

Off

Out of frame condition not detected on G.703 DTE signal

Receiving all zeros from the DTE

LED2

Yellow

Blinking

N/A

Data is being transferred

LED3

Yellow

On

Alarm condition detected on G.703 DTE signal

Transmitting all ones from the DTE

LED3

Yellow

Off

Alarm condition not detected on G.703 DTE signal

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 G.703 DTE signal

CTS signal is high

LED4

Yellow

Off

A pulse density violation was not detected on G.703 DTE signal

CTS signal is low

LED5

Yellow

On

A bipolar violation was detected (and corrected) on G.703 DTE signal

RTS signal is high

LED5

Yellow

Off

A bipolar violation was not detected on G.703 DTE signal

RTS signal is low

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