Comnet CWFE8MS/DIN User Manual Page 18

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COMMUNICATION NETWORKS | WWW.COMNET.NET
16
ComNet offers Ethernet extender products that
take advantage of existing cable infrastructure or
utilize newly-installed media. Fiber optic transmission
offers a major advantage when migrating from an
existing optical-based video or data installation to
an IP system; the existing fiber optic media can
be easily adapted to Ethernet by changing the
transmission equipment at each end.
ComNet also offers Ethernet over COAX/Twisted
Pair equipment that allows you to use existing
coaxial cable and twisted pair copper wire as
Ethernet transmission media. ComNet Ethernet
over COAX and Twisted Pair equipment is typically
used in those applications where an existing CCTV
or access control system is currently using twisted
pair, unshielded twisted pair or coaxial cable and
a transition to an Ethernet-based system is desired.
Typical Ethernet Networks
CPU/Video
Server
CPU/Video
Server
CPU/Video
Server
IP Camera
IP Camera
IP Camera
Managed
Ethernet Switch
(Optional)
Managed
Ethernet Switch
(Optional)
Managed
Ethernet Switch
(Optional)
Managed
Ethernet Switch
(Optional)
Managed
Ethernet Switch
(Optional)
NVR
NVR
NVR
IP Access
Control
System
Power Supplied
by Unit A
IP Access
Control
System
Ethernet over
COAX Modem
Ethernet + Power
over COAX Media
Converter
Power Supply
Fiber Optic
Media Converter
Twisted Pair
or Coax
75Ω Coax
10/100 Ethernet
15.4 W@48VDC
Operating Power
Multimode or Single-mode
Optical Fiber
Ethernet over
COAX Modem
Ethernet + Power
over COAX Media
Converter
Fiber Optic
Media Converter
Ethernet over COAX/UTP
Ethernet and PSE Device Power over COAX
Ethernet over Optical Fiber
A B
100 – 240
VAC Input
10/100 Ethernet
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