Allied-telesis SwitchBlade 4000 Series Switch Hardware Reference Instrukcja Użytkownika Pobierz pdf (Strona 17)

Hardware Reference 17

C613-03060-00 REV H

Expansion Bays

• Two switch controller bays

• Eight line card bays

• Three power supply bays

• One fan tray bay (compatible with the AT-SB4152 fan tray)

Alarm Relays

• Two relays (Major and Minor) each located on the rear panel

• Normally open and normally closed contacts

• Software configurable for a range of environmental and operational

events

• Suitable for use with DC alarm circuits (12 V DC 1.0 A or 48 V DC 0.5 A)

• See “Alarm Relays and Monitoring” on page 32 for more information

Backplane Links and Bus Connections

• A SwitchBlade chassis contains two controller bays each capable of

housing a switch controller card. See “Switching Performance and

Characteristics” on page 10 for more information.

• 33MHz 64 bit PCI routing and control bus links are present on all switch

controller and line card bays. This bus provides a high performance

communication channel between switch controller CPUs, and also

allows high speed routing between line cards that have WAN interfaces

Cable Management System

• Optional manager can be fitted to the fan tray front panel

• Cable manager supports up to four cable-management loops

Earth/Ground Point

• An earth/ground point is provided on the chassis’s rear panel. This

point can be used to bond the chassis to earth/ground. Even if this point

is used, earth/ground leads of AC and DC power supplies must still be

connected

AT-SB4104 SwitchBlade 4 Slot Chassis

Dimensions

• Height: 400 mm 9U rack occupancy

• Width: 440 mm (excluding rack-mounting brackets). Suitable for 19

inch rack

• Depth: 345 mm

• Chassis 4 (AC) weight: 13 kg (empty chassis)

• Chassis 4 (DC) weight: 13 kg (empty chassis)

• Chassis 4 loaded weight: 23 kg to 45 kg (depending on the

configuration)

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Allied-telesis SwitchBlade 4000 Series Switch Hardware Reference Instrukcja Użytkownika Strona 17