Hatteland Display 20 inch - HM 20T07 CMD - Manual (Page 51)

51
Serial Communication (SCOM) Interface
Communication Interface
IND100084-8
Comm settings
The communication options are set by dip switches and jumpers, placed at the backside of the unit. These switches/
jumpers are protected behind a hatch mounted with four screws. Unscrew those, and remove the hatch. The commu-
nication settings and its switches are illustrated below.
Factory Default Settings
The factory defaults are based on the configuration when ordered. To configure the unit back to its factory defaults,
please contact your provider.
Reference Part number Description Type Additional information
JP1
1-2 MENU BRT CONTROL
2-3 ALWAYS ON
MENU LED Brightness and ON/OFF Control Jumper
Removal of this jumper will
deactivate key backlight.
INV LED and Power LED will
still be active though.
JP2 1-3 SCOM-A1 SCOM-A1 BEEPER- TO CHGND Jumper
JP2 2-4 SCOM-A1 SCOM-A1 COM1-9 VIA 100R TO CHGND Jumper
JP3
OPEN COM1-1=NC
OPEN COM3-11=NC
COM1-1 and COM3-11 pin select Jumper COM2-1 = 5V (ALWAYS)
JP4 1-3 SCOM-A1 SCOM-A1 = COM1/2-4 OPEN OR VIA 100R TO CHGND Jumper
JP4 2-4 SCOM-A1 SCOM-A1 = COM1/2-6 OPEN OR VIA 100R TO CHGND Jumper
S3 COM1/2 RS-232 RS-232 supported ONLY Switch RS-232 SUPPORT ONLY!
S4 STRAIGHT TX/RX COM1/2 Straight or Crossed(Switched) TX/RX select Switch
S5 RS422 FULL DUPLEX COM1/2 FULL(RS422) or HALF(RS485) operation Switch NOT SUPPORTED!
PROG_SEL PROGRAM U5 Program Select for programming U5 via PBR header Jumper
PROG_SEL PROGRAM U12 Program Select for programming U12 via PBR header Jumper
Communication Protocol
Communication mode
Backlight Config
Program Select RS422 Full Duplex ON/OFF SCOM Config #1
Program
Input Connector
SCOM Config #2
COM Config
SCOM Config #2
S3
S4
S5