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Chapter 2: Site Preparation and Installation
Grounding Options
The recommended grounding method for the SafeGuard Controller is to use the
grounding stud immediately to the left of each power input connector. Connect this stud
to earth ground (for example, a grounded rack).
Recommended Cables
Fiber-optic SFP modules require fiber-optic cables with LC connectors. Depending on the
type of SFP module, use either of the following cables:
■
1000BASE-LX SFP module: single-mode, 1310 nm, 10-km range
■
1000BASE-SX SFP module: multi-mode, 850 nm, 550-m range
Copper SFP modules require a Category 5 or better cable with RJ-45 connectors.
Depending on the connected device, you can use either crossover or straight-through
cables.
Table 8
Table 8
SafeGuard Controller to . . .
Downstream switch or router
Upstream switch
To connect the Ethernet management port on the rear panel, use a Category 5 or better
Ethernet cable with RJ-45 connectors. For connector specifications, see
Technical
Specifications.
To connect the serial console port on the rear panel, use an RS-232 cable with a DB-9
connector. For connector specifications, see
Checking the Package Contents
Make sure that you received the following components:
■
Secure LAN Controller
■
Two power cords:
— For an ACAC model, two AC power cords (18 AWG, 125 V, 10 A)
— For an ACDC model, one AC power cord (18 AWG, 125 V, 10 A) and one
■
Documentation on a CD-ROM
24
lists the recommended cable types.
Using Crossover or Straight-through Cables
three-position 2.8-mm terminal plug for 48-VDC connection
Crossover Cable
Straight-Through Cable
Yes
No
Yes
Yes
Appendix A, Technical
OmniAccess SafeGuard Controller Installation Guide
Appendix A,
Specifications.
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