...because we can't all be on the bleeding edge...





MT56DSU2

MULTI-TECH SYSTEMS, INC.

MT56DSU2

Card Type

DSU/CSU (synchronous/asynchronous)

Transfer Rates

56Kbps/19.2Kbps/9600bps/4800bps/2400bps

Data Bus

External

Data Modulation Protocol

DDS

Topology

Star/Peer-Peer

CONNECTIONS

Function

Label

Function

Label

RS-232 port

CN1

V.35 port

CN4

DC power

CN2

Power switch

SW1

RJ-48 line out

CN3

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

RTS forced high

SW2/6

Off

 

RTS normal

SW2/6

On

DSR forced high

SW2/7

Off

 

DSR normal

SW2/7

On

Synchronous mode

SW2/8

On

 

Asynchronous mode

SW2/8

Off

Loopback test mode disabled

SW2/9

On

 

Loopback test mode enabled

SW2/9

Off

Test pattern mode disabled

SW2/10

On

 

Test pattern mode enabled

SW2/10

Off

Circuit assurance function disabled

SW2/11

On

 

Circuit assurance function enabled

SW2/11

Off

System status function disabled

SW2/12

On

 

System status function enabled

SW2/12

Off

Elastic store function disabled

SW3/3

On

 

Elastic store function enabled

SW3/3

Off

Anti-streaming function disabled

SW3/4

Off

 

Anti-streaming function enabled

SW3/4

On

ASYNCHRONOUS MODE BIT LENGTH

Setting

SW3/1

SW3/2

 

9-bit

On

Off

10-bit

Off

On

 

11-bit

On

On

CLOCK SOURCE

Setting

SW2/4

SW2/5

 

Internal

On

On

 

External

Off

Off

From DDS network

Off

On

TRANSMISSION RATE

Setting

SW2/1

SW2/2

SW2/3

 

2400bps

Off

Off

Off

 

4800bps

Off

On

Off

 

9600bps

Off

Off

On

 

19.2Kbps

Off

On

On

56Kbps

On

On

On

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

SD

Red

On

DSU is transmitting data

SD

Red

Off

DSU is not transmitting data

RD

Red

On

DSU is receiving data

RD

Red

Off

DSU is not receiving data

CD

Red

On

Carrier signal detected

CD

Red

Off

Carrier signal not detected

56

Red

On

DSU connected at 56Kbps

56

Red

Off

DSU not connected at 56Kbps

19.2

Red

On

DSU connected at 19.2Kbps

19.2

Red

Off

DSU not connected at 19.2Kbps

96

Red

On

DSU connected at 9600bps

96

Red

Off

DSU not connected at 9600bps

48

Red

On

DSU connected at 4800bps

48

Red

Off

DSU not connected at 4800bps

CTS

Red

On

CTS signal is high

CTS

Red

Off

CTS signal is low

RTS

Red

On

RTS signal is high

RTS

Red

Off

RTS signal is low

NS

Red

On

DDS signal not detected

NS

Red

Off

DDS signal detected

NS

Red

Blinking

Errors detected in test pattern

OOS

Red

On

DDS network out-of-service condition detected

OOS

Red

Off

DDS network out-of-service condition not detected

TM

Red

On

DSU is in test mode

TM

Red

Off

DSU is not in test mode