MCI-23 modem/telephone/ISDN Settings and Configuration

XIRCOM, INC.

MCI-23

Card Type
ISDN DSU
Chip Set
Unidentified
I/O options
Unidentified
ISDN Transfer Rate
64Kbps x 23
Data Bus
16-bit ISA
Switch Type
5ESS, DMS-100, MD-110

CONNECTIONS
Function
Label
Function
Label
Line B out
CN1
Used only on CSU/DSU model
CN4-CN7
Line A out
CN2
Daughterboard headers
CN8-CN10
Diagnostic port
CN3
MVIP bus - not used on this model
CN11

BASE I/O ADDRESS
Setting
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
SW1/6
SW1/7
SW1/8
SW1/9
SW1/10
0000h
On
On
On
On
On
On
On
On
On
On
0010h
On
On
On
On
On
On
On
On
On
Off
0020h
On
On
On
On
On
On
On
On
Off
On
0030h
On
On
On
On
On
On
On
On
Off
Off
0040h
On
On
On
On
On
On
On
Off
On
On
01E0h
On
On
On
On
On
Off
Off
Off
Off
On
3FB0h
Off
Off
Off
Off
Off
Off
Off
On
Off
Off
3FC0h
Off
Off
Off
Off
Off
Off
Off
Off
On
On
3FD0h
Off
Off
Off
Off
Off
Off
Off
Off
On
Off
3FE0h
Off
Off
Off
Off
Off
Off
Off
Off
Off
On
3FF0h
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Note: A total of 1023 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/1 is the Most Significant Bit and switch SW1/10 is the Least Significant Bit. The switches have the following decimal values: SW1/1=8192, SW1/2=4096, SW1/3=2048, SW1/4=1024, SW1/5=512, SW1/6=256, SW1/7=128, SW1/8=64, SW1/9=32, SW1/10=16. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)

DIAGNOSTIC LED(S)
LED
Color
Status
Condition
LED1
Yellow
On
Carrier signal not detected on port A
LED1
Yellow
Off
Carrier signal detected on port A
LED2
Yellow
On
Carrier signal not detected on port B
LED2
Yellow
Off
Carrier signal detected on port B
LED3
Green
On
Board is active
LED3
Green
Off
Board is not active
LED4
Yellow
On
Board has failed
LED4
Yellow
Off
Board is operating normally

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MCI-23 modem/telephone/ISDN Settings and Configuration

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Card Type	ISDN DSU
Chip Set	Unidentified
I/O options	Unidentified
ISDN Transfer Rate	64Kbps x 23
Data Bus	16-bit ISA
Switch Type	5ESS, DMS-100, MD-110

CONNECTIONS
Function	Label	Function	Label
Line B out	CN1	Used only on CSU/DSU model	CN4-CN7
Line A out	CN2	Daughterboard headers	CN8-CN10
Diagnostic port	CN3	MVIP bus - not used on this model	CN11

BASE I/O ADDRESS
Setting	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6	SW1/7	SW1/8	SW1/9	SW1/10
0000h	On	On	On	On	On	On	On	On	On	On
0010h	On	On	On	On	On	On	On	On	On	Off
0020h	On	On	On	On	On	On	On	On	Off	On
0030h	On	On	On	On	On	On	On	On	Off	Off
0040h	On	On	On	On	On	On	On	Off	On	On
01E0h	On	On	On	On	On	Off	Off	Off	Off	On
3FB0h	Off	Off	Off	Off	Off	Off	Off	On	Off	Off
3FC0h	Off	Off	Off	Off	Off	Off	Off	Off	On	On
3FD0h	Off	Off	Off	Off	Off	Off	Off	Off	On	Off
3FE0h	Off	Off	Off	Off	Off	Off	Off	Off	Off	On
3FF0h	Off	Off	Off	Off	Off	Off	Off	Off	Off	Off
Note: A total of 1023 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/1 is the Most Significant Bit and switch SW1/10 is the Least Significant Bit. The switches have the following decimal values: SW1/1=8192, SW1/2=4096, SW1/3=2048, SW1/4=1024, SW1/5=512, SW1/6=256, SW1/7=128, SW1/8=64, SW1/9=32, SW1/10=16. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LED1	Yellow	On	Carrier signal not detected on port A
LED1	Yellow	Off	Carrier signal detected on port A
LED2	Yellow	On	Carrier signal not detected on port B
LED2	Yellow	Off	Carrier signal detected on port B
LED3	Green	On	Board is active
LED3	Green	Off	Board is not active
LED4	Yellow	On	Board has failed
LED4	Yellow	Off	Board is operating normally