RIM-Protocol Converter User Guide - Version 1.0
Chatsworth Products, Inc. (CPI) • 800-834-4969
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1.2.2 Terminal Block Designations
Figure 1.2 Locations of Terminals (Dual Port Protocol Converter shown)
Table 1.2 Terminal Block Designations
Item No.
Item
Description
1
Power 24 VDC/VAC
Power Terminal Block
2
Jack
Power connector for wall outlet 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
(fullduplex) 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
1 2 3
4
5 6
7
8
5 6
7
5 6
7
