Specifications

OClr I
Table 1-1. Primary Port Pin Signal Assignments
Pin No. Signal Name Signal Direction
1
2
3
4
5
6
7
8
20
Chassis ground
Transmit Data
Receive Data
Request-to-Send
Clear-to-Send
Data-Set-Ready
Signal Ground
Data Carrier Detect
Data-Terminal-Ready
From Terminal
To Terminal
From Terminal
To Terminal
To Terminal
To Terminal
From Terminal
Pin No.
1
2
3
4
5
6
7
8
20
Table 1-2. Printer Port Pin Signal Assignments
Signal Name Signal Direction
Protective ground
Transmit Data
Receive Data
Request-to-Send
Clear-to-Send
Data-Set-Ready
Signal Ground
Data Carrier Detect
Data-Terminal-Ready
To Terminal
From Terminal
To Terminal
From Terminal
From Terminal
From Terminal
To Terminal
1-8