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• Consolidates high density of low-speed serial links
and high densities of IP ports at a cost-effective price
point. For example, 48 synchronous ports or 192
asynchronous ports can be supported on the platform
• All parts are field-upgradable, allowing quick, easy,
and low-cost maintenance.
• An analog phone can be connected to the Cisco
3662-AC/DC-CO using the voice network module,
allowing ease of communication between a service
technician and the operations center. This provides
great savings by eliminating the need to run a phone
line to the rack, and for controlled equipment vaults
where recurring phone line charges can add up.
• WAN interface cards and network modules are shared
with the Cisco 2600-DC series Multiservice Access
platform, allowing reduced cost of maintaining
inventoryofmodularcomponentsandrequiringlower
training costs for support personnel.
Performance
TheCisco3660improveson the density and performance
of a Cisco 3640 while providing a chassis design that is
more suited for the Telco environment. The following
table provides a comparison of the two products
Table 1 Cisco 3660 Series chassis comparison
Feature Telco Enterprise
Chassis
Model
Numbers
3662-AC-CO,
3662-AC/DC-CO
3661-AC, 3661-DC,
3662-AC, 3662-DC
Flash 16 MB 8 MB
SDRAM 64 MB 32 MB
Compliance Nebs Level 3 and
ETSI compliant
Does not meet Nebs
Level 3 or ETSI
compliant
Dimensions Meets 12 inch or
300mm depth
requirement for
Telco environments
Exceeds 12 inch or
300mm depth
requirement for Telco
environments
Software Telco or Telco Plus
SW only images
supported.
Ships with Telco.
Telco is basically IP
with Telco features
Telco Plus is
basically enterprise
plus with Telco
features
Typical IOS images
supported.
Ships with IP
Plastic Bezel Not shipped with
chassis to meet fire
test requirements
Ships with chassis
Table 2 Cisco 3660 and Cisco 3640 comparison for Telco
environment
Feature Cisco 3660 Cisco 3640
Performance 100-120 Kpps 50-70 Kpps
LAN Ports
(Integrated)
1 or 2 10/100 Ethernet None
Network
Module Slots
Six Four
Advanced
Integration
Modules
Two None
Async Ports 192 96
Sync Ports 96 48
Ethernet
ports
26 16
Field
Serviceable
All components Power supply only
Hot swap
capability
Like to like network
modules
Power supplies
Not available
Power supply
redundancy
Redundancy
integrated in chassis
(AC or DC)
External redundant
power supply unit
(AC only)
Dimension
(WxHxD)
Meets 12 inch / 300
mm depth
requirement
8.7 x 17.5 x 11.8 (in)
221 x 445 x 300 (mm)
3.44 x 17.5 x 15.75 (in)
87.4 x 445 x 400 (mm)