M40 Router Overview; Figure 5: M40 Router - Juniper M Series Monitoring And Troubleshooting Manual

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M40 Router Overview

See the End-of-life (EOL) and End-of-sale (EOS) Notification Policy

and Procedures for the M40 router and products at

https://www.juniper.net/support/eol/

product has been removed from the price list and is no longer available for

purchase. End of support (EOS) indicates that no new support contracts are

available on these products and the last contract will expire on the EOS date

associated with each product. For more information about EOS or EOL

products, see the product support notification (PSN) hardware end-of-life

announcements.

The M40 router provides high-speed forwarding performance, packet processing, and

port density for high-growth core IP networks. The M40 router supports the Junos OS,

which provides router configuration and monitoring, see

The M40 router includes the router-specific System Control Board (SCB). The SCB

contains the Internet Processor II application-specific integrated circuit (ASIC) and

performs sampling, filtering, and packet forwarding decisions. The SCB processes

exception and control packets, monitors system components, and controls Flexible PIC

Concentrator (FPC) resets.

PICs are available in supported media types, including Asynchronous Transfer Mode

(ATM), Channelized, DS3, E1, E3, T1, Ethernet, SONET/SDH, and IP services. The M40

router provides the bandwidth to grow networks to OC48c/STM16 speeds. The M20 and

M40 FPCs and PICs are interchangeable, and most of the PICs can also be used in the

M40e router. For more information about supported PICs and FPCs for each M Series

router type, see the appropriate PIC installation guide.

Chapter 1: M Series Multiservice Edge Routers

. End of life (EOL) indicates that the

Figure 5 on page