cwfe(1,2)pocoax(a,b)[m]
INSTALLATION AND OPERATION MANUAL
CWFE(1,2)POCOAX(A,B)[M]
100MBPS ETHERNET OVER COAXIAL CABLE WITH POWER
The ComNet™ CWFE1POCOAX Series transports Ethernet and camera/device
operating power between the remote device and head-end location using
existing 75Ω coaxial cable. It eliminates the need to have a separate power
source at the remote location and provides operating power for the remote
ComNet media converter and PoE device. Based on the IEEE 802.3af standard
for Power over Ethernet (PoE), the CWFE1POCOAXBM provides up to 15.4 Watts
of operating power to the remote powered device (PD). The CWFE1POCOAXA
transports Ethernet data at rates of 100 Mbps over a distance of 230 meters
(750 feet) over standard 75Ω coaxial cable. The CWFE(1,2)POCOAXA is used
at the head end and the CWFE1POCOAXBM is used at the remote location,
providing 15 watts of power to the powered device (PD) in the field.
LED indicators are provided for rapidly ascertaining the operating status of the
device. See Figure 9 on Page 5 for LED explanations.
The CWFE1POCOAXA and CWFE2POCOAXA units are designed for shelf, card
cage or stand-alone mounting, making them ideal for those installations were
space is limited. The CWFE1POCOAXBM may also be DIN-rail mounted by the
addition of the ComNet model DINBKT2 Adaptor Plate Kit. See Figures A and B
on Page 6 for mounting instructions.
See Figures 1 – 9 for complete installation details.
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INSTALLATION AND OPERATION MANUAL
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FIGURE 1 – CWFE1POCOAXA
COAX (75Ω)
CAT5e/6
BLACK
BLACK WITH WHITE STRIPE
FIGURE 2 – CWFE1POCOAXA
FRONT PANEL
REAR PANEL
NOTE: Remove Electrical Connector for Rack Mount Units
TECH SUPPORT: 1.888.678.9427
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INSTALLATION AND OPERATION MANUAL
CWFE(1,2)POCOAX(A,B)[M]
FIGURE 3 – CWFE2POCOAXA
COAX (75Ω)
CAT5e/6
COAX (75Ω)
BLACK
BLACK WITH WHITE STRIPE
CAT5e/6
FIGURE 4 – CWFE2POCOAXA
FRONT PANEL
REAR PANEL
NOTE: Remove Electrical Connector for Rack Mount Units
TECH SUPPORT: 1.888.678.9427
INS_CWFE(1,2)POCOAX(A,B)[M]_REV–
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INSTALLATION AND OPERATION MANUAL
CWFE(1,2)POCOAX(A,B)[M]
FIGURE 5 – CWFE1POCOAXBM
COAX (75Ω)
CAT5e/6
FIGURE 6 – CWFE1POCOAXBM
FRONT PANEL
TECH SUPPORT: 1.888.678.9427
REAR PANEL
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INSTALLATION AND OPERATION MANUAL
CWFE(1,2)POCOAX(A,B)[M]
FIGURE 7 – POSSIBLE ETHERNET CONFIGURATIONS
Ethernet IEEE 802.3 Network Element determined by user.
Power over Coax
Coaxial (75Ω)
15W Power over Ethernet
CAT5e/6 with
CAT5e/6 with
RJ45 Connections
RJ45 Connections
Ethernet IEEE 802.3
CWFE1POCOAXA
CWFE1POCOAXBM
Network Element
Ethernet IEEE 802.3
Network Element
FIGURE 8 – DISTANCE VS. SPEED
Line Side Port:
Coax connector:
Impedance:
Throughput:
< 750 ft
BNC
75 ohm coax
(Down Stream
100 Mbps
/
/
Up Stream)
100 Mbps
FIGURE 9 – LED INDICATORS
LINE LINK
PSE LED (BM Unit only)
POWER
GREEN
–
Power provided
Unit powered up
OFF
–
Power not provided
Unit powered down
BLINK
Coax data activity
Negotiating
–
TECH SUPPORT: 1.888.678.9427
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MECHANICAL INSTALLATION INSTRUCTIONS
INSTALLATION CONSIDERATIONS
This modem is supplied as a Standalone module. Units should be
installed in dry locations protected from extremes of temperature and
humidity.
CAUTION: Take care not to press on any of the LEDs.
IMPORTANT SAFEGUARDS:
A) Elevated Operating Ambient - If installed in a closed or multi-unit rack
assembly, the operating ambient temperature of the rack environment may
be greater than room ambient. Therefore, consideration should be given to
installing the equipment in an environment compatible with the maximum
ambient temperature (Tma) specified by the manufacturer.
WARNING: Unit is to be used with a Listed Class 2 or LPS power supply rated
48 VDC @ 0.85A, 84 VDC @ 1.25 A.
B) Reduced Air Flow - Installation of the equipment in a rack should be such
that the amount of air flow required for safe operation of the equipment is
not compromised.
FIGURE A
FIGURE B
Dimensions are for the CWFE1POCOAXBM standalone ComNet module
Dimensions are for a standard ComNet™ one slot module
.156 [3.96 mm]
.313 [7.95 mm]
3 CORPORATE DRIVE | DANBURY, CT 06810 | USA
T: 203.796.5300 | F: 203.796.5303 | TECH SUPPORT: 1.888.678.9427 | INFO@COMNET.NET
8 TURNBERRY PARK ROAD | GILDERSOME | MORLEY | LEEDS, UK LS27 7LE
T: +44 (0)113 307 6400 | F: +44 (0)113 253 7462 | INFO-EUROPE@COMNET.NET
INS_CWFE(1,2)POCOAX(A,B)[M]_REV–
© 2011 Communications Networks Corporation. All Rights Reserved. “ComNet” and the “ComNet Logo” are registered trademarks of Communication Networks, LLC.
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