and maintains the routing tables. For a host module to function, both of these
components must be installed and operational.
PICs are available in supported media types, including Asynchronous Transfer Mode
(ATM), Channelized DS3, E1, E3, T1, Ethernet, SONET/SDH, and IP services. The M160
router supports both M160 and M40e PICs. For more information about supported PICs
for each M Series router type, see the appropriate PIC installation guide.
The M160 router Internet Processor II ASIC forwards packets at a throughput rate of up
to 160 Gbps. The ASIC technology provides such packet processing as route lookups,
filtering, sampling, rate limiting, load balancing, buffer management, switching, and
encapsulation and de-encapsulation of IP services.
Related
Documentation
M160 Router Major Hardware Components on page 22•
M160 Router Major Hardware Components
Table 10 on page 22 lists the major M160 router components and characteristics.
Table 10: M160 Router Major Hardware Components
Offline
Button
Field-
replaceableRedundantFunctionQuantityComponent
–Requires router
shutdown
–Provides ports for external management,
BITS interfaces, and alarm relay devices
1CIP
–Hot-removableYesCools router components3
impellers
and 1 fan
tray (4
fans)
Cooling system
–Hot-removable,
hot-insertable
–Displays status and allows you to perform
control functions
1Craft interface
YesHot-removable,
hot-insertable
–Connects PICs to other components and
houses shared memory
1–8FPC
–Hot-pluggableYesHandles routing protocols and maintains
routing tables
1–2Host module
YesHot-pluggableYesProvides system control and monitoring1–2MCS
YesHot-pluggableYesProvides a 125-MHz system clock2PCG
YesHot-removable,
hot-insertable
–Provides interfaces to various network
media
1–4 per
FPC
PICs
–Hot-removable,
hot-insertable
YesDistributes needed voltages to
components
2Power supply (DC only)
Copyright © 2012, Juniper Networks, Inc.22
M Series and T Series Routers Monitoring and Troubleshooting Guide
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