Contents
C H A P T E R 3
C H A P T E R 4
C H A P T E R 5
Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Enhanced Router System Description
iv
17
18
33
Cooling System
33
39
Switch Fabric
39
41
41
Line Cards and Physical Layer Interface Modules Overview
15
16
16
16
17
18
21
21
25
30
33
34
35
36
39
40
41
41
16
18
36
45
45