MX204 Field-Replaceable Units
Field-replaceable units (FRUs) are router components that can be replaced at the customer site. Replacing
most FRUs requires minimal router downtime. The router uses the following types of FRUs:
•
Power supply modules (if redundant)
•
Fan modules (if redundant)
•
Transceiver modules
SEE ALSO
Replacing an MX204 AC Power Supply | 128
Replacing an MX204 DC Power Supply | 130
Replacing an MX204 Fan Module | 124
MX204 Hardware Components and CLI Terminology
The MX204 router support the components in Table 4 on page 26, listed in alphabetic order.
Table 4: MX204 Router Hardware Components and CLI Terminology
DescriptionCLI Name
Hardware Model
NumberComponent
“MX204 Chassis Description” on
page 23
JNP204 [MX204]MX204Chassis
“MX204 Cooling System
Description” on page 29
Cooling system
Fan Tray, Front to Back
Airflow - AFO
JNP-FAN-1RUFan module
“MX204 Power System
Description” on page 33
Power system components
•
AC AFO 650W PSU
•
DC AFO 650W PSU
•
JPSU-650W-AC-AO
•
JPSU-650W-DC-AFO
Power supply module
N/APICN/A (built-in)MIC
26