RS485-C2(UN) Equinox Technologies, RS485-C2(UN) Datasheet - Page 13

• Manufacturer Part Number: RS485-C2(UN)
• Description: CONVERTER KIT, COMMS, RS485
• Manufacturer: Equinox Technologies

Specifications of RS485-C2(UN)

• Development Tool Type: Converter Module
• Supply Current Max: 1000mA
• Supply Voltage Dc Max: 9.9V
• Supply Voltage Dc Min: 8.3V
• Supported Devices: PPM3-MK2
• Tool / Board Application: Equinox PPM3-MK2 Programmer
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2.3 J1 RS-232 Serial Communications Port
Connector type:
Purpose:
This connector is an RS-232 serial port which connects to a spare RS-232 PC COM (serial)
port. The pin-out of this connector is detailed in the table below. The ‘RTS’ pin must be
asserted by the PC COM port in order to enable the RS-485 line driver.
J1 Pin-out:
Pin No.
1
2
3
4
5
6
7
8
9
Figure 7
4
Title RS232
DCD
RXD
TXD
DTR
0 Volt
DSR
RTS
CTS
RING
9-Way Male D Connector (Female)
Connects to PC COM port (RS-232)
Description RS232
Not Connected
Receive
Transmit
Not Connected
0V
Not Connected
RS-485 Transmit ENABLE
The PC must assert this signal line in order to enable the RS-485 line
driver to allow communications from the PC to the remote RS-485
system.
Not Connected
Not Connected
RS232-RS485 Convertor Manual V1.02 28/06/01