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Cisco Integrated Services Router Hardware Installation Guide
 
Chapter 1      Product Overview
  Cisco 860, 880, 890 Series
USB port, Supports USB 1.1. Provides connection for USB devices 
such as security tokens and flash memory.
The Cisco 880 series routers have a single USB port; the 
Cisco 890 series routers have two USB ports.
Cisco 880 series routers with embedded WLAN antennas 
have one USB 2.0 port.
Cisco 892FSP and Cisco 860VAE series routers have one 
USB 2.0 port on the rear panel for temporary installation of 
a Cisco-approved USB memory device for maintenance 
purposes only. The port supports only USB 2.0. Refer to the 
product datasheet for the list of supported USB flash 
memory devices.
Note Cisco 860VAE series router USB port does not 
support eToken.
866VAE, 
867VAE, 
866VAE-K9, 
867VAE-K9
All models All models
PoE
13
(Optional) Provides power for 802.3af-compliant devices 
(such as phones) that are connected to the router.
The Cisco 880 series routers support a 2-port PoE module; 
the Cisco 890 series routers support a 4-port PoE module.
—Models with 
PoE
Models with 
PoE
G.SHDSL
14
 port Provides 2-wire or 4-wire connection to a G.SHDSL 
network.
— 888 898EA
3G
15
 card slot Provides backup data link. — 3G models —
Dying gasp Detects when the router is losing power, and sends a 
power-fail signal to warn the DSLAM
16
 about the 
impending line drop.
866VAE, 
867VAE, 
866VAE-K9, 
867VAE-K9,
xDSL 
models
888EA,
xDSL models
892FSP, 
896VA, 
897VA, 
897VAB, 
897VAM, 
897VAW, 
897VAMW, 
898EA
Data BRI port Provides backup and remote management functions by 
connecting to the ISDN service provider if the main VDSL 
or G.SHDSL link fails.
—xDSL 
models, 
except for the 
3G and 
SRST
17
 
models
892, 
897VAB
V.92 modem Provides dial backup and remote management functions if 
the main WAN link fails.
— — 891 
FXO
18
 port An FXO interface connects local calls to a central office or 
PBX. This is the interface a standard telephone provides.
— 881 SRST  —
FXS
19
/DID
20
 
port
An FXS interface connects directly to a standard telephone, 
fax machine, or similar device. This interface supplies 
ringing voltage and dial tone to the station.
— SRST 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