B. Specifications
ÛZIATECH
110
J3/J4 (COM2/COM1 Connectors)
J3 and J4 are each latching 10-pin (dual 5-pin) male transition connectors with 0.1 inch
contact spacing. These connectors include the RS-232 serial interface signals for
COM2 and COM1. The pin assignments are shown in the "J3/J4 COM2/COM1
Connectors Pinout" table below. The mating connector is a T&B Ansley #622-1030 or
equivalent.
J3/J4 COM2/COM1 Connectors Pinout
Pin #
Signal
Type
Description
1
DCD
In
Data carrier detect
2
DSR
In
Data set ready
3
RXD
In
Receive data
4
RTS
Out
Request to send
5
TXD
Out
Transmit data
6
CTS
In
Clear to send
7
DTR
Out
Data terminal ready
8
RI
In
Ring indicator
9
GND
----
Signal ground
10
VCC
----
+5 V