
0049-3400-xxx HIDEX HXIIxxTy – USER’S GUIDE 08/18/2010
Rev. C
Page 6
of
15
+5V Power Input
Select Switch
Ground screw
Safety Ground Connection
Ground Jumper Option
Use the GREEN case cover screw to connect a
safety ground wire if desired
Data Interface
Data is interfaced via a DB25 female
connector.
To change the ground jumper position, remove
Pin 1 GRD
Signal Ground the two outer enclosure screws and then remove
Pin 2 TXD
Transmit Data the cover. The jumper is located in the bottom
Pin 3 RXD
Receive Data left corner, below the LCDs.
Pin 4 RTS
Request to Send
Position 1 & 2
Chassis Ground isolated from
Pin
5
CTS
Clear
to
Send
Signal
Ground.
Pin 6 DSR
Data Set Ready
Position 2 & 3
Common Chassis & Signal
Pin 7 SG
Signal Ground
Ground. (factory set)
Pin 8 DCD
Carrier Detect
Pin 10
(Alternate power input +5VDC)
use switch
Pin 20 DTR Data Terminal Ready
Pin 22 RI
Ring Indicate
LED Indicators
DCD Data Carrier Detect
RTS
Request To Send
CTS
Clear To Send
TXD Transmit
Data
RXD Receive
Data
RI Ring
Indicate
PWR Power indicator (green)
Jumper