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SOLO 56/64 DSU/CSU (REV. B)

DIGITAL LINK

SOLO 56/64 DSU/CSU (REV. B)

Card Type

DSU/CSU

NIC Type

T1

Chip Set

Unidentified

I/O Options

AC power connector, DC power connector, data port via 25-pin connector

serial port (RS-232), network interface via 15-pin connector

Wiring Type

RJ-48 shielded twisted pair

Maximum Data Rate

56Kbps (64Kbps clear channel)

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

AC power connector

CN1

Network port via 15-pin connector

CN4

DC power connector

CN2

Serial port

CN5

Data port via 25-pin connector

CN3

Fuse

F1

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Data port format V.35 selected

S1/1

Off

 

Data port format RS-449 selected

S1/1

On

Factory configured - do not alter

S1/2

Off

Factory configured - do not alter

S1/5

Off

Factory configured - do not alter

S1/6

Off

Factory configured - do not alter

S1/7

Off

Factory configured - do not alter

S1/8

Off

56Kbps enabled

S2/1

Off

 

64Kbps enabled

S2/1

On

Network 64Kbps scrambler disabled

S2/2

Off

 

Network 64Kbps scrambler enabled

S2/2

On

Network V.54 loop code enabled

S2/3

Off

 

Network V.54 loop code disabled

S2/3

On

Network timing source enabled

S2/4

Off

 

Internal timing source enabled

S2/4

On

Serial port stop bits (2)

S2/5

Off

 

Serial port stop bits (1)

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

Note: Off corresponds to the 1 or closed position.

DATA PORT LOSS TYPE SELECTION

Setting

SW1/3

SW1/4

RTS mode enabled

Off

Off

 

DTR mode enabled

Off

On

 

Disabled

On

Off

SERIAL PORT RATE SELECTION

Setting

SW2/6

SW2/7

SW2/8

 

1200bps

Off

On

On

 

2400bps

Off

On

Off

 

4800bps

Off

Off

On

9600bps

Off

Off

Off

 

14.4Kbps

On

On

On

 

19.2Kbps

On

On

Off

 

28.8Kbps

On

Off

On

 

38.4Kbps

On

Off

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. Light changes green after 10seconds

PWR

Red/Green

Blinking

DSU/CSU is downloading code

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

DSU/CSU is receiving a signal from network

NET

Red

On

DSU/CSU cannot synchronize to network frame

NET

Red/Green

Blinking

DSU/CSU is detecting a frame error or illegal BPVs from network

NET

Yellow

On

DSU/CSU is detecting CMI, OOS, or OOF error signal from network

NET

None

Off

DSU/CSU is not receiving a signal from network

INB

Red

On

DSU/CSU is in frame relay in-band management mode; no packets or HDLC flags have been received from network

INB

Yellow

On

DSU/CSU is in frame relay in-band management mode; no frame relay packets have been detected network

INB

Green

On

DSU/CSU is in frame relay in-band management mode; frame relay packets have been detected network

INB

Red/Green

Blinking

Error detected in the frame relay packets received from network

INB

None

Off

DSU/CSU not in frame relay management mode

NLBK

Red

On

DSU or CSU loopback initiated by user or management station

NLBK

Red

Blinking

Loopback in progress: CSU simplex reversal occurring or DSU detecting non-latching codes in 56Kbps

NLBK

Red

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

Blinking

Remote loop (up or down) test successful

ACK

Yellow

Off

DSU/CSU remote loop test not running

DTE

Yellow

On

DTE loopback running: LT not asserted - Press button to run test

DTE

Yellow

Blinking

DTE loopback running: LT asserted

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