Allot NetEnforcer AC-1000 Series, Hardware Manual

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Chapter 1: AC-1000 Series Hardware
NetEnforcer AC-1000 Hardware Guide 1-21
3.
Connect the D-type connector from the Primary port on the Bypass
Unit, to the Backup port on NetEnforcer. The 9-pin connector is
plugged into the bypass unit and the 26 pin connector is plugged into
the NetEnforcer.
4.
Connect the External cable from the External port on the Bypass Unit,
to a router connector.
5.
Connect the Internal cable from the Internal port on the Bypass Unit, to
a switch connector.
NOTES To connect a secondary NetEnforcer for Parallel Redundancy, you need
two NetEnforcers and one Bypass Unit.
Internal and external connectors of the redundant NetEnforcer should be
connected directly to the network. There is no need to connect via the
Bypass Unit.
Single Fiber Bypass Unit
The Single Fiber Bypass Unit works in conjunction with NetEnforcer AC-1010 Fiber.
There are two different Single Fiber Bypass units, one for Multi Mode connections (SX
fiber) and one for Single Mode (LX5, LX20 and ZX fiber).
Figure 1-10 –Single Fiber Bypass Unit – Multi Mode
Figure 1-11 –Single Fiber Bypass Unit – Single Mode