MT56DSU2 modem/telephone/ISDN Settings and Configuration

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

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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