Cisco UBR7246VXR Manuale di avvio rapido - Pagina 4
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Figure 1
Front and Rear Chassis Views
8
1
2
3
1
Internal fans
Clock card
2
3
Fan tray handle
Captive installation screws (line cards)
4
5
Cable interface line cards
Port adapters
6
I/O controller
7
Console port
8
1. AC power supplies are shown in this illustration. DC power supplies are also available.
Card Slot and Logical Interface Numbering
Port adapter and cable interface line card slots maintain the same slot number regardless of whether other port adapters or
cable interface line cards are installed or removed. However, when you move a port adapter or a line card to a different slot,
the logical interface number changes to reflect the new slot number.
Figure 2
Slot Numbers and Locations
4
7
6
5
uBR - MC28U
uBR - MC28U
uBR - MC28U
uBR - MC28U
uBR - MC28U
uBR - MC28U
uBR - MC28U
uBR - MC28U
4
9
Auxiliary port
10 Optional Fast Ethernet port (M11 and RJ-45 receptacles)
11 PCMCIA slots
1
12 AC plug
13 Power switch
14 Power supply handle
15 AC-input power supply
16 Network processing engine (NPE)
Slot 3
Slot 4
11
9
10
13
12