Cisco 7576 Dual Cybus Backplane - Cisco 7500 Series Configuration Manual

Chapter 1 Cisco 7500 Series Product Overview
Figure 1-17
Figure 1-17
Cable-management
processor modules
Interface processor
Chassis grounding
Note The Cisco 7513 and Cisco 7576 use the same chassis, power supplies, cover panels, and accessories.
Externally, the two models appear the same. However the backplane and interface processor slot
numbering scheme are different. See
processor slot numbering scheme. This area visually identifies which router model you have.

Cisco 7576 Dual CyBus Backplane

The Cisco 7576 features two dual CyBuses, creating two independent routers on one split backplane.
The dual CyBus backplane, located at the rear of the removable card cage, provides the physical
connections for the RSPs and interface processors, and transfers information at up to 2.134 Gbps (1.067
Gbps per CyBus) per router.
OL-5008-03 B0
shows details on the rear, interface-processor end of the Cisco 7576.
Cisco 7576 (Rear View)
Blower module
bracket
Card cage and
slot numbering
scheme
Air intake vent
Power supplies
POW ER
A
receptacles
AC
FAN
OUTPUT
OK
OK FAIL
AC
FAN
OUTPUT
OK
OK
FAIL
Figure 1-19 for an enlarged view of the Cisco 7576 interface
Cisco 7500 Series Installation and Configuration Guide
Cisco 7576 Overview
POW ER
B
1-27