Field-Replaceable Units In An Ex9253 Switch - Juniper EX9253 Hardware Manual

Table 5: Physical Specifications of the EX9253 Switch Chassis
Description Weight
Chassis without any 50 lb (22.68 kg)
FRU installed
Fan tray 1.5 lb (0.68 kg)
Routing and Control 7.5 lb (3.4 kg)
Board
Air filter unit and cable 5.51 lb (2.5 kg)
management brackets
Line card 33 lb (14.97 kg)
AC power supply 3.4 lb (1.54 kg)
DC power supply 4.4 lb (1.99 kg)
You can mount an EX9253 switch on four posts of a 19-in. rack or cabinet.

Field-Replaceable Units in an EX9253 Switch

Field-replaceable units (FRUs) are components that you can replace at your site. The FRUs in EX9253
switches are hot-removable and hot-insertable. You can remove and replace them without powering off
the switch. The FRUs in EX9253 switches are:
• Routing Engines
• Power supplies
• Fan trays
• Air filter unit
(Continued)
Width Depth
19 in. (48.26 cm) 30 in. (76.2 cm) without
the cable management
brackets, air filter unit,
and handles for fans and
power supplies
2.46 in. (6.25 cm) 9.27 in. (23.54 cm)
7.98 in. (20.27 cm) 22.12 in. (56.18 cm)
19 in. (48.26 cm) 5.43 in. (13.79 cm)
16.5 in. (41.91 cm) 22.37 in. (56.82 cm)
3.53 in. (8.67 cm) 9.26 in. (23.52 cm)
3.53 in. (8.67 cm) 10.8 in. (27.43 cm)
13
Height
5.21 in. (13.23 cm; 3 U)
4.99 in. (12.6 cm)
1.66 in. (4.21 cm)
5.19 in. (13.18 cm)
1.65 in. (4.19 cm)
1.63 in. (4.14 cm)
1.63 in. (4.14 cm)