ARTHUR HOLM AH22D X216GA User Manual - Page 10
Browse online or download pdf User Manual for Monitor ARTHUR HOLM AH22D X216GA. ARTHUR HOLM AH22D X216GA 14 pages. Hdcp compliant retractable monitors for furniture integration
Print Page
AHNET PROTOCOL
Communications protocol
COMMUNICATION
RS422
CONNECTION
RJ45
WIRING
CAT-5
Speed and configuration
BAUD RATE
38400
DATA BITS
8
PARITY
NONE
STOP BITS
1
Wiring Diagram
1. Data TX +
2. Data TX –
3. Data RX +
4. NC
5. NC
6 .Data RX
7. NC
8. NC
Connection
PINS 1 & 2
The units respond
PINS 3 & 6
The units receive instructions
Protocol to control the monitor by addressable RS422 bus.
You can connect up to 30 monitors on the same RS422 bus.
You can use a AH Interface Ethernet, to control the RS422 bus.
The units should have a set address and the address must start by 1.
Maximum cable length between ends, 500 m/1640 ft.
18
RJ-45
AHNET PROTOCOL
AHnet protocol
Using 5 bytes communication:
BYTE 0
START BYTE
BYTE 1
ADDRESS BYTE
BYTE 2
COMMAND BYTE
BYTE 3
VALUE 1
BYTE 4
VALUE 2
Commands
COMMAND
DESCRIPTION
FA XX 01 01 00
GO UP
FA XX 01 00 00
GO DOWN
FA XX 02 01 00
SCREEN ON
FA XX 02 00 00
SCREEN OFF
FA XX 03 01 00
DVI-A SELECTION
FA XX 03 00 00
DVI-1 SELECTION
FA XX 03 03 00
DVI-2 SELECTION
FA XX 04 01 00
BUTTON LOCK
FA XX 04 00 00
BUTTON UNLOCK
FA XX 05 00 00
AUTO CONFIG LCD
FA XX 14 00 00
INQUIRY CONTROL BYTE
XX
Number of the monitor address. Up to 30 monitors for each
RS422 BUS
CB1
Response in 8 bits of the monitor status
CB2
Response in 8 bits of the monitor status
RESPONSE
FB XX 01 01 00
FB XX 01 00 00
FB XX 02 01 00
FB XX 02 00 00
FB XX 03 01 00
FB XX 03 00 00
FB XX 03 03 00
FB XX 04 01 00
FB XX 04 00 00
FB XX 05 00 00
FB XX 14 CB1 CB2
19