9SG 430/450 Rev. 2
Operating Instructions
Redundant Power Supply (SG 450 only)
The SG 450 includes a power supply system which consists of two separate
power supply units. This power supply system increases the availability of the
security appliance, since a defective power supply unit can be exchanged easily
and quickly during operation. The unit is shipped with one power supply unit. The
second unit can be added as an option.
When the system is running error-free, LED on the back of the appliance shows
green. In the event of a hardware defect in one of the power supply units these
LEDs will turn red and you will hear a continuous beeping sound. The warning
sound can be reset by pressing the red buzzer reset switch on the system
chassis. This buzzer reset switch is on the back of the appliance right beside the
power supply system.
Important note: If you need to change a power unit because of a defect,
remember to remove the defective power unit from the power supply system,
otherwise the whole security appliance will fail.
Protect yourself from potential burns by wearing protective gloves when
exchanging a power supply unit.
Only use power units which you purchased directly from Sophos or from a
Sophos distribution partner. Please remember that any warranty claims are
voided for the security appliance if a defect has been caused by the use of power
units which are not suited for the system.
For further instructions on how to exchange or add a power supply unit please
refer to the separate mounting instructions delivered with the unit.
SFP GBIC Ports
The SG 430/450 models provide the option to add Sophos FleXi Port network
modules with SFP (1 GbE) or SFP+ (1/10GbE) GBIC Ports. The abbreviation SFP
GBIC stands for small form-factore plugable GigaBit interface converter, a flexible
interface which changes electronic signals into optical signals. The converters
used with the appliance are often also called Mini-GBIC or New GBIC.
To use SFP GBIC ports, you will need the appropriate SFP GBIC modules. These
modules are not delivered with the appliance but available through your Sophos
partner. There are different module types. The required type is determined by the
existing network. The following SFP GBIC module types may be used:
SFP:
1000 Base-T
IEEE 802.3 - 1 Gbit/s via Ethernet cable. An Ethernet cable category 5 covers a
maximum distance about 100 meters.
1000 Base-SX
IEEE 802.3 - 1 Gbit/s via fiberglass. Multi-mode fiberglass cables (MMF) cover a
distance of 200 m to 550 m.
1000 Base-LX
IEEE 802.3 - 1 Gbit/s via fiberglass. Here, exclusively singlemode-fiber glass is
used. This transmission option covers approximately 10 km.
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