| 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 |
Adapter Card DIP-Switch setting
- Use the same interrupt for all IBM ISDN Interface Coprocessor adapters installed in the same unit.
- In the presence of an 8-Bit Adapter (such as a Token Ring adapter) switch 5 on the IBM ISDN adapter(s) must be set to OFF (8-Bit data bus only).
DIP switch settings for I/O and memory
DIP switch settings for interrupts / data bus size
Please see the LEGAL - Trademark notice.
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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