# Serial (Amiga 1000)

(at the Amiga 1000)

25 PIN D-SUB MALE at the Amiga 1000.

Pin | Name | Dir | Description
--- | --- | --- | ---
1 | SHIELD |  | Shield Ground
2 | TXD |  | Transmit Data
3 | RXD |  | Receive Data
4 | RTS |  | Request to Send
5 | CTS |  | Clear to Send
6 | DSR |  | Data Set Ready
7 | GND |  | System Ground
8 | CD |  | Carrier Detect
9 | n/c | - |
10 | n/c | - |
11 | n/c | - |
12 | n/c | - |
13 | n/c | - |
14 | -5V |  | -5 Volts DC (50mA max)
15 | AUDO |  | Amiga Audio Out (Left)
16 | AUDI |  | Amiga Audio In (Right)
17 | EB | - | EB=Buffered Port Clock 716 kHz
18 | /INT2 | ? | Interrupt 2
19 | n/c | - |
20 | DTR |  | Data Terminal Ready
21 | +5V |  | +5 Volts DC
22 | n/c | - |
23 | +12V |  | +12 Volts DC (20 mA max)
24 | /C2 |  | C2=Clock 3.58MHz
25 | /RESET |  | Reset

Note: Direction is DTE (Computer) relative DCE (Modem).
Note: Do not connect SHIELD(1) to GND(7).

Contributor: Joakim Ögren

Source:
Amiga 4000 User's Guide from Commodore

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07