For FRU-P/N's, Double-Click >> IBM ISDN Interface Coprocessor (AT-Bus) Parts
IBM ISDN Interface Coprocessor.
The ISDN Interface Coprocessor has:
ISDN Attachment Cable (Standard)
Adapter Card DIP-Switch setting
DIP switch settings for I/O and memory
DIP switch settings for interrupts / data bus size
Please see the LEGAL - Trademark notice.
P1 Conn
Standard
Germany
Swiss
Lead #
P1 Signal Name
1
1
1
A3
Not Connected
2
2
2
B3
Not Connected
3
3
6
A1
1T
Transmit +
4
4
3
B2
2T
Receive +
5
5
4
A2
2
Receive -
6
6
5
B1
1
Transmit -
7
7
7
-
Not Connected
8
8
8
-
Not Connected
S1
S2
S3
S4
I/O address
Memory address
ON
ON
ON
ON
02A0h-02A7h
0C0000h-0C1FFFh
ON
ON
ON
Off
06A0h-06A7h
0C2000h-0C3FFFh
ON
ON
Off
ON
0AA0h-0AA7h
0C4000h-0C5FFFh
ON
ON
Off
Off
0EA0h-0EA7h
0C6000h-0C7FFFh
ON
Off
ON
ON
12A0h-12A7h
0C8000h-0C9FFFh
ON
Off
ON
Off
16A0h-16A7h
0CA000h-0CBFFFh
ON
Off
Off
ON
1AA0h-1AA7h
0CC000h-0CDFFFh
ON
Off
Off
Off
1EA0h-1EA7h
0CE000h-0CFFFFh
Off
ON
ON
ON
22A0h-22A7h
0D0000h-0D1FFFh
Off
ON
ON
Off
26A0h-26A7h
0D2000h-0D3FFFh
Off
ON
Off
ON
2AA0h-2AA7h
0D4000h-0D5FFFh
Off
ON
Off
Off
2EA0h-2EA7h
0D6000h-0D7FFFh
Off
Off
ON
ON
32A0h-32A7h
0D8000h-0D9FFFh
Off
Off
ON
Off
36A0h-36A7h
0DA000h-0DBFFFh
Off
Off
Off
ON
3AA0h-3AA7h
0DC000h-0DDFFFh
Off
Off
Off
Off
3EA0h-3EA7h
0DE000h-0DFFFFh
S5
S6
S7
S8
Interrupt
--
ON
ON
ON
3
--
ON
ON
Off
4
--
ON
Off
ON
7
--
ON
Off
Off
2 or 9
--
Off
ON
ON
10
--
Off
ON
Off
11
--
Off
Off
ON
12 (do not use)
--
Off
Off
Off
15
ON
16-Bit data bus
Off
8-Bit data bus
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