NEC LT80 User Manual - Page 45

Cable Connection, Communication Protocol

Get NEC LT80 - SVGA DLP Projector PDF manuals and user guides View all NEC LT80 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 45 highlights

87 Cable Connection Communication Protocol Baud rate: 9600 bps Data length: 8 bits Parity: No parity Stop bit: One bit X on/off: Communications procedure: None Full duplex If the CPU of the projector has received the data correctly, it returns an ACK(C5H). If the received data is not correct, the CPU returns a NAK(CAH), then the following status: Receiving success: C5 Receiving failure: CA Err Err 01: Command Error (command not supported) Err 02: Checksum Error Err 03: Busy (command not acceptable) Err 04: Parameter Error ( parameter data abnormal) PC Control Connector (DIN-8P) NOTE: If failing in powering-on, the CPU returns the following NAKs: CA Err 1 Err 1 8X (Apply the corresponding bit.) Bit 0: Lamp housing is not attached correctly Bit 1: Fan stoppage Bit 2: Overheated Bit 3: Lamp lighting failure 87 5 4 2 6 3 1 To GND of PC ᮤ To RxD of PC ᮣ 44 To TxD of PC ᮣ SPECIFICATIONS 88

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
Cable Connection
Communication Protocol
Baud rate:
9600 bps
Data length:
8 bits
Parity:
No parity
Stop bit:
One bit
X on/off:
None
Communications
Full duplex
procedure:
If the CPU of the projector has received the data correctly, it returns an ACK(C5H). If the received data is not correct, the CPU returns a
NAK(CAH), then the following status:
Receiving success:
C5
Receiving failure:
CA Err
Err 01:
Command Error (command not supported)
Err 02:
Checksum Error
Err 03:
Busy (command not acceptable)
87
44
Err 04:
Parameter Error ( parameter data abnormal)
1
2
5
4
3
6
7
8
To RxD of PC
'
PC Control Connector (DIN-8P)
NOTE:
If failing in powering-on, the CPU returns the following NAKs:
CA Err 1
Err 1 8X (Apply the corresponding bit.)
Bit 0: Lamp housing is not attached correctly
Bit 1: Fan stoppage
Bit 2: Overheated
Bit 3: Lamp lighting failure
To TxD of PC
ยง
To GND of PC
'
SPECIFICATIONS
88