Epson 100-88002 RS232 Serial Communications Interface, Signal Voltage and Current levels

Epic 880TM Specifications and Requirements

Communications Interface

RS232 Serial Communications Interface

The RS232 Serial interface connector is a 14 position Molex Minifit Jr®., part number 39-30-1140, which mates with Molex part number 39-01-2140 or equivalent.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

14-pin	Direction	Description
Pin 1	-	No connect
Pin 2	IN	Data Set Ready
Pin 3	-	No connect
Pin 4	IN	Clear to Send
Pin 5	-	Signal Ground
Pin 6	-	+24V
Pin 7	-	Signal Ground
Pin 8	-	+24V
Pin 9	-	No connect
Pin 10	-	Frame Ground
Pin 11	IN	Receive Data
Pin 12	OUT	Transmit Data
Pin 13	OUT	Data Terminal Ready
Pin 14	OUT	Request to Send
		Table 2 Serial Interface Pin-outs

Signal Voltage and Current levels

The serial interface meets EIA RS232 interface specifications:

Voltage Levels	Max	+-15 Volts
	Min	+- 3 Volts
Mark = Off =	-3 to –15 Volts
Space = On =	+3 to +15 Volts

Note: Power may be applied through this connector or the 4 pin power connector. See the DC Power Requirements section for 24 volt power requirements.

Note: GND is the 24V return.

Note: FGND and GND are connected in the printer.

100-88002 Rev B Page 19