Specifications

+ Receive current loop data (20 mA) 17
No Connection 18
Data Terminal Ready (DTR) 19
No Connection 20
Ring Indicator (RI) 21
* EIA ON + 12V Option 22
* EIA OFF - 12V Option 23
- Receive current loop return (20 mA) 24
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* Pins 23 and 24 - No connection on the full height Serial Interface Board.
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Table 8.9-2. 25 Pin Parallel Connector
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Signal Names and Description Pin Number
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Strobe 1
Data Bit 0 2
Data Bit 1 3
Data Bit 2 4
Data Bit 3 5
Data Bit 4 6
Data Bit 5 7
Data Bit 6 8
Data Bit 7 9
Acknowledge 10
Busy 11
Paper End 12
Select 13
Auto Feed 14
Error 15
Initialize Printer 16
Select Input 17
Signal Ground 18 - 25
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