2. Using only the Phoenix IN (or OUT) ports
allows the network wiring to be installed
and tested before other equipment
is installed.
3. ISOLATORs may be used to segment a large
network as convenient, protecting each
segment from the others. Note that using
them in this way does NOT allow the
network to exceed the 1 km total maximum
length limit.
4. Here multiple ISOLATORS are used to
create multiple backbones. As long as the
ISOLATORS are local to each other and the
controlling system, then each backbone may
be the full 1 km long.
Network Backbone
OUT
LINK
ISO
LINK
IN
OUT
LINK
LINK
LINK
ISO
ISO
IN
OUT
LINK
IN
OUT
LINK
ISO
IN
LINK
LINK
USB
Interface
LINK
IN
LINK
IN
LINK
ISO
OUT
LINK
IN
LINK
IN
IN
LINK
LINK
ISO
OUT
IN
LINK
Note that the maximum number of VNET
products per network (not per backbone)
remains 32.
5. Because of the limited power available from
a USB interface, connecting the USB
interface directly to an ISOLATOR will not
work unless an external power supply is
connected either to the rear of the USB
interface or, as shown, to the ISOLATOR.
PSU must be able to supply
100mA for each ISOLATOR
USB
Interface
USB
Interface
SENTINEL
Ethernet
Interface
12 V
Power Supply
BACKBONE “A”
BACKBONE “B”
BACKBONE “C”
ISO
ISO
ISO
LINK
LINK
PSU
OUT
IN
LINK
LINK
LINK
IN
LINK
OUT
PSU
IN
OUT
PSU
LINK
IN
Network Backbone
USB
Interface
12 V 100mA
Power Supply
ISO
ISO
ISO
ISO
OUT
LINK
IN
OUT
LINK
LINK
IN
OUT
IN
OUT
IN
LINK
PSU
LINK
LINK
LINK
LINK
52
53
Quick Start Guide
QFLEX ISOLATOR
Содержание QFLEX ISOLATOR
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