Datasheet

Notes
12
Product Transition Matrix
13
Cisco 850 and 860 Product Comparison
Cisco 851, 857 Cisco 861, 867
Form Factor
Desktop Desktop
DRAM (default)
64 MB 256 MB
DRAM (maximum)
64 MB 256 MB
Flash (default)
20 MB 128 MB
Flash (maximum)
20 MB 128 MB
Integrated LAN Switch
4-port Switch 4-port Switch
Integrated Hardware-based Encryption
Yes Yes
Out of Band Management
External Modem External Modem
Wireless LAN Option
Integrated 802.11b/g Integrated 802.11b/g/n
Fast Ethernet WAN
1 Port (851) 1 Port (861)
ADSL2/2+
1 Port (867)
Cisco 870 and 880 Product Comparison
Cisco 871, 876, 877, 878 Cisco 881, 886, 887, 887V,
888, 888E
Form Factor
Desktop Desktop
DRAM (default)
128 MB 256 MB or
512 MB (SRST Models)
DRAM (maximum)
256 MB 768 MB
Flash (default)
24 MB 128 MB or
256 MB (SRST Models)
Flash (maximum)
52 MB 128 MB or
256 MB (SRST Models)
Integrated LAN Switch
4-port Switch 4-port Managed Switch
Integrated Hardware-based Encryption
Yes Yes
Backup Interface
External Modem (871, 877)
ISDN S/T BRI (876, 878) (Out
of Band Management only
on 878)
ISDN S/T BRI (886, 887, 887V
888, 888E)
3G (all 3G Models)
Wireless LAN Option
Integrated 802.11b/g Integrated 802.11b/g/n
Fast Ethernet WAN
1 Port (871) 1 Port (881)
ADSL/ADSL2+ over POTS
877 887
ADSL/ADSL2+ over ISDN
877 886