User's Manual
Table Of Contents
- 1 Introduction
- 2 Composition
- 3 Function
- 4 Product specification
- 5 Block Diagram
- 6 External Interface
- 7 Outline
- 8 Option
- 9 Compliance with FCC and IC Rules and Regulations
IT Controller (used 4G/3G/GSM Communication) JRN-430K 9/22
LE-209529
4.2 Serial Interface Specification
4.2.1 A. DTE CAN (Standard)
NO．
Items
Specification performance
1
Data transmission
SAE J1939
2
Speed
125 / 250 / 500 kbps
For excavators: Depends on terminal settings.
For cranes: Depends on software settings.
3
Communication format
Extension 29 bit
4
Switch to the RS-232C
By the chip jumper change
4.2.2 B. DTE RS-232C (Standard)
NO．
Items
Specification performance
1
Data transmission
Half duplex start-stop synchronization
2
Signal level
RS-232C
3
Speed
4800 bps
4
Frame length
Variable-length
5
Data length
8 bit
6
Start bit
1 bit
7
Parity bit
None
8
Stop bit
1 bit
9
Character code
EUC
4.2.3 C. DTE CAN (2nd system)
NO．
Items
Specification performance
1
Data transmission
SAE J1939
2
Speed
125 / 250 / 500 kbps
For excavators: Depends on terminal settings.
For cranes: Depends on software settings.
3
Communication format
Extension 29 bit
4.2.4 D. DTE RS-232C (2nd system, shared with test mode control)
NO．
Items
Specification performance
1
Data transmission
Half duplex start-stop synchronization
2
Signal level
RS-232C
3
Speed
4800 bps
4
Frame length
Variable-length
5
Data length
8 bit
6
Start bit
1 bit
7
Parity bit
None
8
Stop bit
1 bit
9
Character code
EUC
4.2.5 Console（Debug）
NO．
Items
Specification performance
1
Data transmission
Half duplex start-stop synchronization
2
Signal level
RS-232C
3
Speed
115200 bps
4
Frame length
Variable-length
5
Data length
8 bit
6
Start bit
1 bit
7
Parity bit
None
8
Stop bit
1 bit
9
Character
EUC