B Connectors and Allocation
Signal
This section describes the parallel interface
Shape of the connector
The printer is installed with the IEEE
18 | 1 |
Pin arrangement
36
19
The pin arrangement of the various signals when bidirectional is OFF is as follows:
Pin No. | Signal name | I/O | Pin No. | Signal name | I/O |
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1 | nStrobe | I | 19 | Signal Ground | - |
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2 | Data1 | I | 20 | Signal Ground | - |
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3 | Data2 | I | 21 | Signal Ground | - |
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4 | Data3 | I | 22 | Signal Ground | - |
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5 | Data4 | I | 23 | Signal Ground | - |
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6 | Data5 | I | 24 | Signal Ground | - |
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7 | Data6 | I | 25 | Signal Ground | - |
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8 | Data7 | I | 26 | Signal Ground | - |
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9 | Data8 | I | 27 | Signal Ground | - |
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10 | nAck | O | 28 | Signal Ground | - |
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11 | Busy | O | 29 | Signal Ground | - |
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12 | PError | O | 30 | Signal Ground | - |
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13 | Select | O | 31 | nInit | I |
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14 | nAutoFd | I | 32 | nFault | O |
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15 | (RESERVED) | - | 33 | (RESERVED) | - |
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16 | LogicGND | - | 34 | (RESERVED) | - |
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17 | Chassis Gnd | - | 35 | (RESERVED) | - |
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18 | Peripheral Logic High | O | 36 | nSelectIn | I |
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• Looking from the printer, I is the input signal, O is the output signal, - is not a signal.
• When bidirectional is ON, the connection adheres to the IEEE