Jumper J2: Installed = E281-4002 controller emulation

Diagnostic LED: Green

• Normal, without touch: Should blink at 1 Hz.
  • (on solid indicates Power-on Self Test failure)
• Normal, with touch: On solid while touched
  • (on after release: host failed to remove the data)
• Fast blink (2 or 3/sec):
  • Communications error

Factory Jumper Settings

J0	Out	Reserved
J1	Out	Reserved
J2	Out	No Emulation Mode
J3	Out	Reserved

Power Requirements

• 5 Vdc, nominal (±5%)
• 140 mA, typical at = 5 Vdc

P2 Connections

Pin		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	DC+
2	DC- (tied to pin 4)
3	N/C
4	DC- (tied to pin 2)
5	LED Remote
6	Key
7	N/C
8	Chassis Ground
9	- Reset
10	N/C