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Connector Pin Assignments
Parallelport connectorpin assignments (CN5)
Pin
Signal
1
Strobe
2
Data 0
3
Data 1
4
Data 2
5
Data 3
6
Data 4
Data 5
8
Data 6
9
Data 7
* Active low logic
Serial port connectorpin assignments (CN7 and CN6)
Pin
Signal
1
Data carrierdetect
2
Receive data
3
Transit data
4
Data terminal ready
5
Ground
A-16
Specifications
Pin
Signal
10
ACK*
11
Busy
PE
12
13
Select
AFD*
14
15
Error*
lnit *
16
17
Selectin *
18
Signal ground
Pin Signal
6
7
8
9
Pin
Signal
19
Signal ground
20
Signal ground
21
Signal ground
22
Signal ground
23
Signal ground
24
Signal ground
25
Signal ground
Data set ready
Request to send
Clear to send
Ring indicator
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