
26
Routers and Access Servers
*
1. Optional DC or redundant power supply (RPS).
1. Software upgradable to router with Ethernet (2520 and 2522) or Token Ring (2521 and 2523) and
ISDN BRI.
2. Optional DC or redundant power supply (RPS).
Feature Cisco 2520CF Cisco 2521CF Cisco 2522CF Cisco 2523CF
Fixed WAN
Ports/Connections
1
2 high-speed
serial
2 high-speed
serial
2 high-speed
serial
2 high-speed
serial
Maximum
Asynchronous
Connections
2 low-speed
A/S serial
2 low-speed
A/S serial
8 low-speed
A/S serial
8 low-speed
A/S serial
Processor Type/Speed 20-MHz 68030 20-MHz 68030 20-MHz 68030 20-MHz 68030
Flash Memory
– Default 8 MB
Dual flash bank
option
8 MB
Dual flash bank
option
8 MB
Dual flash bank
option
8 MB
Dual flash bank
option
– Maximum 16 MB 16 MB 16 MB 16 MB
DRAM Memory
– Default 4, 8, or 16 MB
standard,
depending on
Cisco IOS
software
feature set
4, 8, or 16 MB
standard,
depending on
Cisco IOS
software
feature set
4, 8, or 16 MB
standard,
depending on
Cisco IOS
software
feature set
4, 8, or 16 MB
standard,
depending on
Cisco IOS
software
feature set
Power Supply AC
1
AC
2
AC
2
AC
2
Special Features • Software:
CFRAD
• Software:
CFRAD
• Software:
CFRAD
• Software:
CFRAD
Feature Cisco 2520LF Cisco 2521LF Cisco 2522LF Cisco 2523LF
Fixed LAN
Ports/Connections
1
1 Ethernet 1 Token Ring 1 Ethernet 1 Token Ring
Fixed WAN
Ports/Connections
1
2 high-speed
serial
2 high-speed
serial
2 high-speed
serial
2 high-speed
serial
Maximum
Asynchronous
Connections
2 low-speed
A/S serial
2 low-speed
A/S serial
8 low-speed
A/S serial
8 low-speed
A/S serial
Processor Type/Speed 20-MHz 68030 20-MHz 68030 20-MHz 68030 20-MHz 68030
Flash Memory
– Default 8 MB
Dual flash bank
option
8 MB
Dual flash bank
option
8 MB
Dual flash bank
option
8 MB
Dual flash bank
option
– Maximum 16 MB 16 MB 16 MB 16 MB
DRAM Memory
– Default 4, 8, or 16 MB
standard,
depending on
Cisco IOS
software
feature set
4, 8, or 16 MB
standard,
depending on
Cisco IOS
software
feature set
4, 8, or 16 MB
standard,
depending on
Cisco IOS
software
feature set
4, 8, or 16 MB
standard,
depending on
Cisco IOS
software
feature set
Power Supply AC
2
AC
2
AC
2
AC
2
Special Features • Software:
LAN FRAD
• Software:
LAN FRAD
• Software:
LAN FRAD
• Software:
LAN FRAD
qrg-new.book : 1core.fm Page 26 Monday, June 22, 1998 2:16 PM
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