Cisco WS-C4003-RF Hardware Maintenance Manual - Page 19

Cisco 4000 Series Overview, External Differences in Models of the Cisco 4000 Series

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CHAPTER 1 Cisco 4000 Series Overview The Cisco 4000 series comprises the Cisco 4000-M, the Cisco 4500-M, and the Cisco 4700. All models provide a configurable modular router platform using network processor modules-individual modules that when installed in the router are ready for external network hardware connections. Performance is the key distinction between the Cisco 4000-M, Cisco 4500-M and Cisco 4700. For maximum performance in the Cisco 4000 series, the Cisco 4700 contains a 133-MHz Orion RISC microprocessor from Integrated Device Technology, Incorporated (IDT), along with a 512 kilobyte (KB) secondary cache; the Cisco 4500-M contains a 100-MHz Orion RISC microprocessor from IDT; and the Cisco 4000-M contains a 40-MHz Motorola 68EC030 microprocessor. The Cisco 4000 series provides flexibility, allowing network managers to easily reconfigure the router when needs change. Note This publication contains the initial hardware installation and selected maintenance procedures. For initial software configuration and operating information, refer to the appropriate printed software publication or UniverCD. External Differences in Models of the Cisco 4000 Series The Cisco 4000-M, Cisco 4500-M, and Cisco 4700 are all labeled Cisco 4000 Series on the front panel. The rear label of the Cisco 4000-M reads Cisco 4000 M +, the rear label of the Cisco 4500-M reads Model 4500 M+, and the rear label of the Cisco 4700 reads Model 4700. Newer models have no safety latch on the chassis rear. Cisco 4000 Series Overview 1-1

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CHAPTER
Cisco 4000 Series Overview
1-1
Cisco 4000 Series Overview
1
The Cisco 4000 series comprises the Cisco 4000-M, the Cisco 4500-M, and the Cisco 4700. All
models provide a configurable modular router platform using network processor
modules—individual modules that when installed in the router are ready for external network
hardware connections. Performance is the key distinction between the Cisco 4000-M, Cisco 4500-M
and Cisco 4700.
For maximum performance in the Cisco 4000 series, the Cisco 4700 contains a 133-MHz Orion
RISC microprocessor from Integrated Device Technology, Incorporated (IDT), along with a
512 kilobyte (KB) secondary cache; the Cisco 4500-M contains a 100-MHz Orion RISC
microprocessor from IDT; and the Cisco 4000-M contains a 40-MHz Motorola 68EC030
microprocessor. The Cisco 4000 series provides flexibility, allowing network managers to easily
reconfigure the router when needs change.
Note
This publication contains the initial hardware installation and selected maintenance
procedures. For initial software configuration and operating information, refer to the appropriate
printed software publication or UniverCD
.
External Differences in Models of the Cisco 4000 Series
The Cisco 4000-M, Cisco 4500-M, and Cisco 4700 are all labeled
Cisco 4000 Series
on the front
panel. The rear label of the Cisco 4000-M reads
Cisco 4000 M
+, the rear label of the Cisco 4500-M
reads
Model 4500 M+
, and the rear label of the Cisco 4700 reads
Model 4700
. Newer models have
no safety latch on the chassis rear.