LAARS Gateway LER - Manual - Manual (Page 25)

The LAARS Gateway LER and RER Startup Guide Page 25
LAARS Gateway Startup Guide Page 25 of 32
LAARS Heating Systems Company, 20 Industrial Way, Rochester, NH 03867 USA
Web: www.laars.com Toll Free: (800) 900-9276
Appendix C. Reference
Appendix C.1. Specifications
Gateway RER Gateway LER
Electrical
Connections
One 6-pin Phoenix connector, one RS-485
+/- ground port, power +/- frame ground
port
One 3-pin RS-485 Phoenix connector, one
RS-485 +/- ground port
One Ethernet-10/100 Ethernet port One 6-pin Phoenix connector, one RS-485
+/- ground port, power +/- frame ground
port
One Ethernet 10/100 BaseT port
One FTT-10 LonWorks port
Approvals
CE (EN55022;EN55024; EN60950), UL916, FCC Class A Part 15, DNP3 Conformance Tested,
OPC Self-tested for Compliance, RoHS Compliant, CSA 205 Approved
BTL Marked
LonMark Certified
Power
Requirements
Multi-mode power adapter: 9-30VDC or 12 - 24VAC
Physical
Dimensions
11.5 cm L x 8.2 cm W x 4.0 cm H (4.5 x 3.2 x 1.6 in.)
Weight 0.2 kg (0.4 lbs)
Operating
Temperature
-40°C to 75°C (-40°F to167°F)
Surge
Suppression
EN61000-4-2 ESD EN61000-4-3 EMC EN61000-4-4 EFT
Humidity 5 - 90% RH (non-condensing)
(Specifications subject to change without notice)
Appendix C.1.1. Compliance with UL Regulations
For UL compliance, the following instructions must be met when operating the Gateway.
 The units shall be powered by listed LPS or Class 2 power supply suited to the expected operating
temperature range.
 The interconnecting power connector and power cable shall:
 Comply with local electrical code
 Be suited to the expected operating temperature range
 Meet the current and voltage rating for the Gateway/Net
 Furthermore, the interconnecting power cable shall:
 Be of length not exceeding 3.05m (118.3”)
 Be constructed of materials rated VW-1 or FT-1 or better
 If the unit is to be installed in an operating environment with a temperature above 65 °C, it should be
installed in a Restricted Access Area requiring a key or a special tool to gain access.
 This device must not be connected to a LAN segment with outdoor wiring.