Chassis Slot Numbers - Cisco CRS-1 System Description

Chassis Slot Numbers

• A wide range of interface speeds and types (for example, OC-48 packet-over-SONET (POS) and OC-192
• Redundancy and reliability features allow nonstop operation even during service upgrades of equipment,
• Partitioning into logical routers. A logical router (LR) is a set of line cards and route processors (RPs)
Chassis Slot Numbers
This section identifies the location and slot numbers for major cards and modules (primarily the field-replaceable
units) that plug into the chassis.
Figure 4: Cisco 8-slot CRS Line Card Chassis Enhanced Router Slot Numbering—Front (PLIM) Side
the slot numbering on the front (PLIM) side of the Cisco CRS 8-slot line card chassis.
Figure 4: Cisco 8-slot CRS Line Card Chassis Enhanced Router Slot Numbering Front (PLIM) Side
As shown, the Cisco CRS 8-slot Line Card Chassis Enhanced router numbers on the PLIM side of the chassis
include the card cage with:
• Eight PLIM slots: left to right, 0, 1, 2, 3, 4, 5, 6, 7
• Two route processor card slots, RP0 and RP1
• Power shelf A and power shelf B
Figure 5: Line Card Chassis Enhanced Router Slot Numbers—Rear (MSC) Side
the rear (MSC) side of the Cisco CRS 8-slot line card chassis.
Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Enhanced Router System Description
6
POS), and a programmable line card forwarding engine that provides full-featured forwarding at line-rate
speeds.
with no single points of failure in hardware or software.
that form a complete router. More specifically, each LR contains its own instance of dynamic routing,
IP stack, SysDB (system database), interface manager, event notification system, and so on.
Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Enhanced Router Overview
shows
shows the slot numbers on