J17: Parallel Port Connector; J18: Serial Ports - Intel MAT-880 User Manual

J17: Parallel Port Connector

The following table describes the pin out assignments of this connector.
Signal Name
Line printer strobe
PD0, parallel data 0
PD1, parallel data 1
PD2, parallel data 2
PD3, parallel data 3
PD4, parallel data 4
PD5, parallel data 5
PD6, parallel data 6
PD7, parallel data 7
J17
ACK, acknowledge

J18: Serial Ports

Pin #
1
2
3
4
5
6
7
8
9
10
Busy
Paper empty
Select
Signal Name (RS-232)
DCD, Data carrier detect
RXD, Receive data
TXD, Transmit data
DTR, Data terminal ready
Ground
DSR, Data set ready
RTS, Request to send
CTS, Clear to send
RI, Ring indicator
No Connect.
MAT-880 User' s Manual
INSTALLATIONS
Pin # Pin #
1 14
2 15
3 16
4 17
5 18
6 19
7 20
8 21
9 22
10 23
11 24
12 25
13 N/A
Signal Name
AutoFeed
Error
Initialize
Select
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
N/A
23