Elo Touch Solutions

E281-2300 IntelliTouch SmartSet Serial Controller Pinouts

E281-2300 IntelliTouch SmartSet Serial Controller Pinouts

Connector To
P2 RS-232 Serial Communication
P3 Touchscreen Cable
P4 Power Supply


P2 Connections Serial Communication Connections
DB9 DB 25
1 Data Carrier Detect (DCD) 1 8
2 Data Set Ready (DSR) 6 6
3 Receive Data (RxD) 2 3
4 Ready To Send (RTS) 7 4
5 Transmit Data (TxD) 3 2
6 Clear To Send (CTS) 8 5
7 Data Terminal Ready (DTR) 4 20
8 N/C 9 22
9 Ground (GND) 5 7
10 Key N/A N/A

P4 Connections

Pin Signal
1 - Reset
2 Chassis GND
3 DC -
4 DC –

Power Requirements

  • +12 VDC, nominal (+4.75 to +30 VDC)
  • 90mA, typical at +12 VDC

Additional Information

P/N 012138

2x5 to DB9-Female Flat Ribbon Cable Assembly, 30 in. Serial cable, from P2 to back of monitor

2x5 to DB9-Female Flat Ribbon Cable Assembly

P/N 01221

Cable, 1x4 with flying leads, 18" - from P4 to power source

Cable, 1x4 with flying leads

P/N 012174

Cable, Ground with Ring Terminals - from PTH to Frame Ground

Cable, Ground with Ring Terminals

P/N 004100-206-K1

Power Supply, Internal Mount, 12 VDC, International Power

P/NUK2300

Internal Mounting Kit - Misc. hardware to install E281-2300 inside a monitor