Chapter 3
Installing and Connecting the Router
To prevent damage to the chassis, never attempt to lift or tilt the chassis by holding it by the plastic panel
Caution
on the front. Always hold the chassis by the sides of the metal body.
Rack-Mounting the Chassis
Cisco 2900 series and 3900 series routers can be installed in 19-inch (48.26-cm) EIA and 23-inch
(58.42-cm) Southwestern Bell Corporation (SBC) racks. The Cisco 3900 series routers can also be
mounted in a 600-mm ETSI rack. Use the standard brackets shipped with the router for mounting the
chassis in a 19-inch EIA rack; you can order optional larger brackets for mounting the chassis in a
19-inch SBC rack.
You can mount the router in the following ways:
•
•
•
•
Attaching Rack-Mount Brackets to Cisco 2901 Routers
For the Cisco 2900 series routers use four of the supplied number-8 Phillips flat-head screws to attach
the long side of each bracket to the router. For the Cisco 3900 series routers use four of the supplied
number-6 Phillips flat-head screws to attach the long side of each bracket to the router.
Figure
Figure 3-1
Figure 3-2
OL-18712-01
Center-front mounting—Brackets attached in the center front of the chassis with only the front panel
facing forward.
Center-back mounting—Brackets attached in the center back of the chassis with only the back panel
facing forward.
Front mounting—Brackets attached at the front of the chassis with the front panel facing forward.
Back mounting—Brackets attached at the back of the chassis with the back panel facing forward.
shows how to attach the brackets to the sides of the router with the front panel forward.
Bracket Installation for Front Mounting
SY S
AC T
PO E
shows how to attach the brackets to the sides of the router with the back panel forward.
Ci sc o 29
00 Se rie
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Cisco 2900 and 3900 Series Hardware Installation
Installing the Router
3-5