Input/Output Interfaces
5.6.4 Parallel Interface Connector
Figure 5-5 and Table 5-5 show the connector and pinout of the parallel interface connector. Note that some signals are redefined depending on the port's operational mode.
Figure 5-5. DB-25 Parallel Interface Connector (as viewed from rear of chassis)
Table
DB-25 Parallel Connector Pinout
Pin | Signal | Function | Pin | Signal | Function |
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1 | STB- | Strobe / Write [1] | 14 | LF- | Line Feed [2] |
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2 | D0 | Data 0 | 15 | ERR- | Error [3] |
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3 | D1 | Data 1 | 16 | INIT- | Initialize Paper [4] |
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4 | D2 | Data 2 | 17 | SLCTIN- | Select In / Address. Strobe [1] |
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5 | D3 | Data 3 | 18 | GND | Ground |
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6 | D4 | Data 4 | 19 | GND | Ground |
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7 | D5 | Data 5 | 20 | GND | Ground |
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8 | D6 | Data 6 | 21 | GND | Ground |
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9 | D7 | Data 7 | 22 | GND | Ground |
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10 | ACK- | Acknowledge / Interrupt [1] | 23 | GND | Ground |
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11 | BSY | Busy / Wait [1] | 24 | GND | Ground |
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12 | PE | Paper End / User defined [1] | 25 | GND | Ground |
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13 | SLCT | Select / User defined [1] | |||
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NOTES:
[1]Standard and ECP mode function / EPP mode function
[2]EPP mode function: Data Strobe
ECP modes: Auto Feed or Host Acknowledge
[3]EPP mode: user defined
ECP modes:Fault or Peripheral Req.
[4]EPP mode: Reset
ECP modes: Initialize or Reverse Req.
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