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T1 DSU/CSU DL080

DIGITAL LINK CORPORATION

T1 DSU/CSU DL080

Card Type

T1 DSU/CSU

Chip Set

Unidentified

I/O Options

AC power connector, DC power connector, serial port,

data port via V.35 connector, network interface via 15-pin connector,

injection jack, monitor jack

T1 Transfer Rate

1.536Mbps

T1 Protocol

AMI, B8ZS

Frame type

D4, ESF

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

AC power connector

CN1

Network port via 15-pin connector

CN5

DC power connector

CN2

Injection jack - send

CN6

Data port via V.35 connector

CN3

Monitor jack - receive

CN7

Serial port

CN4

Fuse

F1

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Contiguous bandwidth allocation

S1/6

Off

 

Alternate bandwidth allocation

S1/6

On

DTE clock set at +SCT

S1/7

Off

 

DTE clock set at SCTE

S1/7

On

ESF network framing enabled

S2/1

Off

 

D4 network framing enabled

S2/1

On

B8ZS line code enabled

S2/2

Off

 

AMI line code enabled

S2/2

On

Internal timing source enabled

S2/5

Off

 

Network timing source enabled

S2/5

On

Word length 8-bit enabled

S2/11

Off

 

Word length 7-bit enabled

S2/11

On

DIP switch configuration enabled

S2/12

Off

 

Terminal configuration enabled

S2/12

On

DATA RATE TIME SLOTS

Setting

S1/1

S1/2

S1/3

S1/4

S1/5

 

1 time slot

Off

Off

Off

Off

On

 

2 time slots

Off

Off

Off

On

Off

 

3 time slots

Off

Off

Off

On

On

 

4 time slots

Off

Off

On

Off

Off

 

5 time slots

Off

Off

On

Off

On

 

6 time slots

Off

Off

On

On

Off

 

7 time slots

Off

Off

On

On

On

 

8 time slots

Off

On

Off

Off

Off

 

9 time slots

Off

On

Off

Off

On

 

10 time slots

Off

On

Off

On

Off

 

11 time slots

Off

On

Off

On

On

 

12 time slots

Off

On

On

Off

Off

 

13 time slots

Off

On

On

Off

On

 

14 time slots

Off

On

On

On

Off

 

15 time slots

Off

On

On

On

On

 

16 time slots

On

Off

Off

Off

Off

 

17 time slots

On

Off

Off

Off

On

 

18 time slots

On

Off

Off

On

Off

 

19 time slots

On

Off

Off

On

On

 

20 time slots

On

Off

On

Off

Off

 

21 time slots

On

Off

On

Off

On

 

22 time slots

On

Off

On

On

Off

 

23 time slots

On

Off

On

On

On

24 time slots

Off

Off

Off

Off

Off

DATA ENCODING

Setting

S1/8

S1/9

Normal encoding

Off

Off

 

HDLC encoding

Off

On

 

Forced encoding

On

Off

LINE BUILD

Net build

S2/3

S2/4

0dB

Off

Off

 

-7.5dB

Off

On

 

-15dB

On

Off

SERIAL PORT RATE SELECTION

Setting

S2/6

S2/7

S2/8

 

1200bps

Off

On

On

 

2400bps

Off

On

Off

 

4800bps

Off

Off

On

9600bps

Off

Off

Off

 

19.2Kbps

On

On

Off

SERIAL PORT PARITY SELECTION

Setting

SW2/9

SW2/10

None

Off

Off

 

Odd

Off

On

 

Even

On

Off

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

PWR

Green

On

DSU/CSU power is on and has passed the self test

PWR

Red

On

DSU/CSU power is on; self test failed.

PWR

Yellow

Blinking

DSU/CSU power is on; self test is running

PWR

Yellow

On

DSU/CSU is on; test other than self test is running

PWR

None

Off

Power is off

NET

Green

On

Network connection is good

NET

Red

On

DSU/CSU cannot synchronize to network frame

NET

Red/Green

Blinking

DSU/CSU is detecting a BPV, OOF, or CRC error signal from network

NET

Yellow

On

Yellow or blue alarm condition detected on network

NET

None

Off

Network connection is broken

NLBK

Yellow

On

DSU or CSU loopback initiated by user or management station

NLBK

Yellow

Off

DSU or CSU loopback test not running

ACK

Yellow

On

Remote loop (up or down) detected - Press buttons to run (up) or (down) remote loop test

ACK

Yellow

Off

DSU/CSU remote loop test not running

DTE

Yellow

On

DTE loopback running: Press button to run test

DTE

Yellow

Blinking

DTE loopback running

DTE

Yellow

Off

DTE loopback not running

TD

Green

On

DSU/CSU is detecting pulses from the DTE

TD

Green

Off

DSU/CSU is not detecting pulses from DTE

RD

Green

On

DSU/CSU is receiving pulses from network

RD

Green

Off

DSU/CSU is not receiving pulses from network

RTS

Yellow

On

RTS signal is high

RTS

Yellow

Off

RTS signal is low

CTS

Yellow

On

CTS signal is high

CTS

Yellow

Off

CTS signal is low

DTR

Yellow

On

DTR signal is high

DTR

Yellow

Off

DTR signal is low