Nikon eclipse lv150 Instruction Manual page 63

3. Cable Specifications
The following diagram shows signal connections necessary for a cable to work with the factory
default.
For 9-pin connector type external device
This system
1
2
RxD
TxD 3
4
GND 5
6
7
8
9
4. Communication Parameters
• Baud Rate
9600 bps
• Data Length
8 bits
• Start Bit
1 bit
• Stop Bit
1 bit
• Parity Bit
None
5. Communication Formats
The format of data received by this unit from an external device shall be defined as the "receiving
format", and the format of data sent by this unit to an external device as the "sending format". Note
that in the following text "[", "]", "<", and ">" are used as delimiters only for the purpose of
description and that they are not part of the characters to be included in data sent or received.
(1) Receiving Format: [Identification Code] [Command] [Data] [<CR>]
[Identification Code]: 1 lower-case alphabetic character (ASCII code, 1 byte)
Code
c Operation command, control command, or data set command
r Settings condition read, or data read
[Command]: 3 upper-case alphabetic characters (ASCII code, 3 bytes)
[Data]: ASCII code, 4 bytes maximum
[<CR>]: Transmission control character (Carriage Return: 0x0D)
V. External Communications Control
For 25-pin connector type external device
External device
This system
(ex. PC)
1 1
2 2
RxD RxD
3 TxD TxD 3
4 4
5 GND GND 5
6 6
7 7
8 8
9 9
Specifications
External device
(ex. PC)
1
2
TxD
3 RxD
4
5
6
7 GND
8
.
.
.
25
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