Table 5: Rack specification EIA (19 inches and 23 inches)
Mounting Flange
Dimension (Z)
Rack Mounting Hole
Centre-Centre (Y)
Rack Front Opening
(X)
Rack Type
Post Type
482.6mm (19”)
465mm (18.312”)
450.8mm (17.75”)
19 inches (48.3
centimeters)
4 Post
2 Post
584.2mm (23”)
566.7mm (22.312”)
552.45mm (21.75”)
23 inches (58.4
centimeters)
4 Post
2 Post
Figure 4: Four Post Rack Type
Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide
26
Install the Router
Rack Types