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COMSPHERE DSU 3510

PARADYNE CORPORATION

COMSPHERE DSU 3510

Card Type

T1 DSU

Chip Set

Unidentified

I/O Options

Serial port, network interface via RJ-48, power connector, DTE ports (2)

Wiring Type

T1 via RJ-48 connector

Maximum Data Rate

56Kbps (64Kbps clear channel)

Data Modulation Protocol

DDS

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Power connector

CN1

DTE port (V.35 connector)

CN3

Network interface via RJ-48 connector

CN2

DTE port (25-pin serial connector)

CN4

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Circuit assurance function disabled

S1/3

On

 

Circuit assurance function enabled

S1/3

Off

DSR lead normal during testing

S1/4

Off

 

DSR lead off during testing

S1/4

On

Elastic store function disabled

S1/5

On

 

Elastic store function enabled

S1/5

Off

Remote digital loopback functions enabled

S1/6

Off

 

Remote digital loopback function disabled

S1/6

On

Streaming terminal function disabled

S2/5

On

 

Streaming terminal function enabled

S2/5

Off

System status disabled

S2/6

On

 

System status enabled

S2/6

Off

Faceplate switches enabled

S3/1

On

 

Faceplate switches disabled

S3/1

Off

Switched control of RTS lead enabled

S3/2

On

 

Continuous control of RTS lead enabled

S3/2

Off

LL testing through 25-pin serial connector disabled

S3/3

Off

 

LL testing through 25-pin serial connector enabled

S3/3

On

LL testing through V.35 DTE connector disabled

S3/4

Off

 

LL testing through V.35 DTE connector enabled

S3/4

On

64.0Kbps CC scrambler function disabled

S3/5

On

 

64.0Kbps CC scrambler function enabled

S3/5

Off

25-pin serial port enabled

S3/6

Off

 

V.35 DTE port enabled

S3/6

On

Separate signal and frame grounds

S5/1

Off

 

Connects signal ground to frame ground

S5/1

On

Test mode indication disabled

S5/2

Off

 

Test mode indication enabled on pin 25 of 25-pin serial port

S5/2

On

Test mode indication disabled

S5/3

Off

 

Test mode indication enabled on pin NN of V.35 DTE port

S5/3

On

Factory configured - do not alter

S5/4

Off

DSR forced high disabled

S5/5

Off

 

DSR forced high enabled

S5/5

On

Diagnostic message clamping disabled

S5/6

On

 

Diagnostic message clamping enabled

S5/6

Off

DATA RATE SELECTION

Setting

S2/1

S2/2

S2/3

S2/4

 

2.4Kbps (+6dBm)

Off

On

On

On

 

4.8Kbps (+6dBm)

Off

On

Off

On

9.6Kbps (0dBm)

Off

On

On

Off

 

19.2 (-10dBm)

On

On

On

On

 

19.2 (0dBm)

On

Off

On

On

 

19.2 (+6dBm)

Off

On

Off

Off

 

38.4Kbps (+6dBm)

On

On

Off

On

 

56.0Kbps (+6dBm)

On

On

Off

Off

 

64.0Kbps (+6dBm)

On

Off

On

Off

 

64.0Kbps (+6dBm) LADS

On

On

On

Off

TIMING SOURCE SELECTION

Setting

S1/1

S1/2

Digital network

On

On

 

LADS slave

On

Off

 

LADS internal

Off

On

 

LADS external

Off

Off

NETWORK ADDRESS SELECTION

Setting

S4/1

S4/2

S4/3

S4/4

S4/5

S4/6

 

1

On

On

On

On

On

Off

 

2

On

On

On

On

Off

On

 

3

On

On

On

On

Off

Off

 

4

On

On

On

Off

On

On

 

5

On

On

On

Off

On

Off

 

59

Off

Off

Off

On

Off

Off

 

60

Off

Off

Off

Off

On

On

 

61

Off

Off

Off

Off

On

Off

 

62

Off

Off

Off

Off

Off

On

 

63

Off

Off

Off

Off

Off

Off

64

On

On

On

On

On

On

Note:

A total of 64 address settings are available. The switches are a binary representation of the decimal memory addresses. S4/1 is the Most Significant Bit and switch S4/6 is the Least Significant Bit. Default setting 64 is out of sequence.

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

OK

Green

On

DSU is on

OK

Green

Off

DSU is off or detecting a system failure

OS/NS

Red

Blinking slow

Out-of-service or out-of -frame messages received from network

OS/NS

Red

Blinking fast

DSU not receiving signals from network

TST

Yellow

On

DSU is executing a test

TST

Yellow

Off

DSU is not executing a test

TST

Yellow

Blinking

DSU is setting up or taking down a test

REM

Yellow

On

Remote DSU or digital network test request received

REM

Yellow

Off

Remote DSU or digital network test request not received

PASS

Green

On

Device test completed without failure

PASS

Green

Off

Device test not completed

F/S/D

Red

On

Device test unsuccessful or DSU has been disabled

F/S/D

Red

Blinking

Streaming terminal alarm condition exists

F/S/D

Red

Off

Failure not detected

TP

Yellow

On

Test pattern circuit is active. Press the TP pushbutton switch to generate a local test pattern

TP

Yellow

Off

Test pattern circuit is not active.

LL

Yellow

On

DSU is in local loopback. Press the LL pushbutton switch to initiate a local loopback test

LL

Yellow

Off

DSU is not in local loopback

DL

Yellow

On

DSU is performing a digital loopback or channel loopback. Press the DL pushbutton switch to initiate digital loopback test.

DL

Yellow

Off

DSU is not performing a digital loopback test

RL

Yellow

On

Remote digital loopback has been requested of the remote DSU. Press the RL pushbutton switch to request a digital loopback test at the remote end.

RL

Yellow

Off

Remote digital loopback has not been requested of the remote DSU.

TXD

Green

On

Receiving all zeros from the DTE

TXD

Green

Off

Receiving all ones from the DTE

TXD

Green

Blinking

Data is being transferred

RXD

Green

On

Transmitting all zeros from the DTE

RXD

Green

Off

Transmitting all ones from the DTE

RXD

Green

Blinking

Data is being transferred

RTS

Green

On

RTS signal is high

RTS

Green

Off

RTS signal is low

CTS

Green

On

CTS signal is high

CTS

Green

Off

CTS signal is low

DSR

Green

On

DSR signal is high

DSR

Green

Off

DSR signal is low

LSD

Green

On

LSD signal is high

LSD

Green

Off

LSD signal is low

9.6

Green

Blinking

Data rate at 2.4Kbps or 4.8Kbps

9.6

Green

On

Data rate at 9.6Kbps

56/64

Green

Blinking

Data rate at 19.2Kbps or 38.4Kbps

56/64

Green

On

Data rate at 56.0Kbps or 64.0Kbps