OVERVIEW
The Solexy AXF/AXN explosion proof antenna coupler is an integrated protection device that facilitates radio
antenna installation in hazardous areas. The patented (7,057,577) AXF/AXN coupler features a barrier circuit
which blocks power voltage in the event of a radio transmitter/receiver fault. The circuit is encapsulated and
housed in an explosion-proof stainless steel body. By utilizing the coupler with a certified radio enclosure and
limiting your output power per local regulations, your radio system may be easily approved for hazardous area
use with most passive antennas.
The information in this manual is intended to assist with equipment design and system approval.
MSHA INTRINSIC SAFETY EVALUATION INFORMATION
MSHA File Number:
The AXF is accepted for use in an MSHA-approved mining machine or system. See applicable control drawing
(below) for Conditions of Use.
INSTALLATION
For proper installation, see the applicable control drawing (attached):
Drawing
Coupler Description
DC00037
RP-SMA female antenna connector with 1-1/8-12 UNF thread
DC00040
N female antenna connector with 1-1/8-12 UNF thread
1. Feed the radio connection cable through the enclosure conduit entry. Do not attach to radio at this time.
2. Screw coupler into enclosure following local electrical code (US MSHA requires 5 thread engagement).
3. Attach radio connection to radio output or lightning surge suppressor.
4. Attach antenna or antenna cable to antenna connector.
SPECIFICATIONS
Ambient Temperature Range
Maximum Fault Voltage
Maximum Radio Power Output
Maximum Capacitance
Frequency Range
Impedance
Approximate Signal Attenuation (1)
425 MHz
920 MHz
2.4 GHz
5.8 GHz
(1) Values shown for 18" (457mm) coaxial cable and standard RP-SMA connectors (no adapter).
Copyright 2013, Solexy USA, LLC
10178 International Blvd.
Cincinnati, Ohio 45246
Phone: 513-860-5465
Fax:
513-860-5464
www.solexy.net
18-ISA080002-0
-40C to +85C (subject to end product evaluation)
250 VDC, 250 VAC @ 60 Hz Max
2 Watts (subject to end product evaluation)
Model AXF
0.3 dB
0.6 dB
1.3 dB
4.8 dB
Explosion Proof Antenna Coupler for use in
MSHA-approved Mining Machines or Systems
Installation & Operation Manual
5.64 nF
25 to 6000 MHz
50 Ohms
Model AXN
0.3 dB
0.6 dB
1.5 dB
3.9 dB
AXF/AXN
Model
AXFSS
AXNSS
IOM00038-07
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