RLE Protocol Converter V.2.4 - Manual (Page 13)

rletech.com Protocol Converter User Guide 13
1 Product Overview
1.2.2 Terminal Block Designations
Figure 1.2 Locations of Terminals
Item No. Item Description
1 Power 24 VDC/VAC Power terminal block
2 Jack Power connector for wall wart adapter
3 Status Status LED
4 EIA-232 Port DB9 female connector
5 RX TX EIA-485 LED Receive/Transmit status LED. Dual Port Protocol
Converter contains two additional sets of LEDs.
6 EIA-485 Termination
switch
Dual Port Protocol Converter contains two additional
sets of switches; EIA-485 Port 2, the 5-pin port, can be
configured as a 2-wire (half-duplex) or 4-wire (full-
duplex) connection.
Ports 1 and 3: Switch 1 - unused; Switch 2 - On = 100
Ohm termination
Port 2: Switch 1 -Duplex (On = 4-wire; Off = 2-wire);
Switch 2 - On = 100 Ohm termination
7 EIA-485 port Dual Port Protocol Converter contains two additional
EIA-485 ports. Port 2 (the middle port) can be
configured as a 2-wire or 4-wire connection. In addition
to all other supported protocols, Port 3 (the left most
port) of the Dual Port Protocol Converter is BACnet MS/
TP capable (Slave only).
8 RJ45 Ethernet port 10/100 BaseT connector
Table 1.2 Terminal Block Designations