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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 1      Product Overview
  Cisco 860, 880, 890 Series
Embedded 
wireless AP
Provides Wi-Fi CERTIFIED™ 802.11a/b/g/n compliance. 
The Cisco 860 series routers contain a single 802.11b/g/n 
radio. 
Some Cisco 880 series routers contain a single 802.11b/g/n 
radio while others contain dual 802.11a/n and 802.11b/g/n 
radios.
The Cisco 890 series routers contain dual 802.11b/g/n and 
802.11a/n radios.
Wireless 
models
802.11b/g/n
Wireless 
models
802.11b/g/n
9
and
802.11a/n
10
Wireless 
models
802.11b/g/n 
and
802.11a/n
FE WAN port Provides connection to 10/100BASE-T. Can be connected to 
other network devices, such as a cable modem, an xDSL
11
 
modem, or router. The router is capable of bridging and 
multiprotocol routing between the LAN and WAN ports.
861 881  891, 892, 
892F
GE WAN port 10/100/1000 GE WAN Port. 866VAE, 
867VAE, 
866VAE-K9, 
867VAE-K9
— All models
VDSLoPOTS
12
 
port
Provides connection to a VDSL network. — 887V —
ADSLoPOTS Provides ADSL connection over basic telephone service 
with Annex A and Annex B ITU G. 992.1 (ADSL), G.992.3 
(ADSL2), and G.992.5 (ADSL).
—— —
ADSLoISDN Provides ADSL connection over ISDN.  — — —
DSL Multi-mode 
(VDSL and 
ADSL2/2+)
Provides ADSL2/2+ or VDSL connection over POTS or 
ISDN (ISDN on 886VA only).
866VAE, 
867VAE, 
866VAE-K9, 
867VAE-K9
886VA, 
887VA,887V
A-M
892FSP, 
896VA, 
897VA, 
897VAB, 
897VAM, 
897VAW, 
897VAMW, 
898EA
Real-time clock 
(RTC)
RTC provides nonvolatile date and time when the router is 
powered on. The RTC is used for verifying the validity of the 
Certification Authority stored on the router. It is backed up 
by a nonreplaceable lithium battery.
866VAE, 
867VAE, 
866VAE-K9, 
867VAE-K9
All models All models
Table 1-50 Hardware Features Available in Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series ISRs (continued)
Feature Description 860 Series 880 Series 890 Series