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IQ-318/E/C Installation Manual —
P/N 52864:J3 9/29/15
Installation
Installing EIA-485 Devices
NOTE:
In order to meet UL wiring requirements, please install grounding straps as shown below.
3.9.1 Labeling Modules and Circuits
At the time of installation, each nonpower-limited circuit connected to ACM-8R, and LDM-R32
modules must be identified in the space provided on the cabinet door label when connected to a
non-power-limited source of power.
The label lists all compatible power-limited modules and circuits; also see Figure 2.2 on page 12.
The LDM-R32 is power-limited only when connected to power-limited sources. When connected
to a non-power-limited source, the power-limited marking must be removed.
3.10 Installing EIA-485 Devices
Figure 3.14 provides a closer view of the EIA-485 connections provided on TB11. Because specific
connections can vary by the type of device being connected, refer to the product installation manual
for details.
Figure 3.14 EIA-485 Connections
3.11 Installing Remote Printers and/or CRT
3.11.1 Custom Cable Fabrication
A custom cable needs to be fabricated to connect the PRN Printer or the CRT-2 Monitor to the
system. Length of the cable will vary with each installation, but should not exceed a maximum
length of 50 feet (15.24 m). Printer must be installed in the same room as the panel, within 20 feet
(6.10 m) of the panel, and the cable must be installed in conduit. Construct cable as follows:
1. Using overall foil/braided-shield twisted-pair cable, properly connect one end to the DB-25 or
DB 9 Connector using the wiring specifications shown in the table below.
cp
u2
-6
40
tb2
0
0.
w
m
f
