PC/External Control Function
PC/External Control Port Pin AssignmentsD-SUB 15pin (Input/Output)
Pin No. | Signal Name |
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1 | No Connection |
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6 | Receive Data |
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2 | No Connection |
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7 | Transimit Data |
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11 | No Connection |
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12 | Clear to Send |
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3 | No Connection |
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8 | Request to Send |
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9 | Ground |
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4 | Input Select | |
5 | Input Select | |
10 | Power ON/OFF | |
13 | No Connection |
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14 | Degauss ON/OFF | |
15 | Signal Ground |
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Command reference
You can control the main functions from external equipment such as personal computer using the PC/EXT CTL terminals. The following sections explain the interface.
Interface Condition |
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• Baud rate | 9600 bps |
• Data length | 8 bits |
• Parity | Odd parity |
• Stop bit | 1 bit |
• Communications mode | Full duplex |
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5 4 3 2 1
10 9 8 7 6
15 14 13 12 11
NOTE: If EXT.CTL is set to ON, only EXT.CTL will be effective for the functions :Input selection, Power ON/OFF and Degauss ON/OFF. If EXT.CTL is set to OFF, PC CTL will be effective. Pin No.8 is connected to pin No. 12.
External Control
Pin No. | 4 | 5 | 10 | 14 |
VIDEO1 | OPEN | OPEN | - | - |
VIDEO2 | GND | OPEN | - | - |
RGB1 | OPEN | GND | - | - |
RGB2 | GND | GND | - | - |
POWER OFF | - | - | OPEN | - |
POWER ON | - | - | GND | - |
DEGAUSS OFF | - | - | - | OPEN |
DEGAUSS ON | - | - | - | GND |
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Command 1 ........ | Code based on the command system |
UNIT ID ............... | Code allocated to each equipment (Allocate 80H to the |
| XP37 Plus/XM37 Plus) |
Command 2 ......... | Code allocated to the main functions of the XP37 Plus/XM37 |
| Plus |
Data Length ........ | Number of bytes of the data that is transmitted |
Data .................... | Data transmitted |
Check Sum ......... | Lower eight digits of sum total of the first byte to the byte |
| immediately before the last. |
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