1-49
Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide
OL-16215-11
Chapter 1 Product Overview
Hardware Features
Dying gasp Detects when the router is losing power, and sends a
power-fail signal to warn the DSLAM16 about the
impending line drop.
866VAE,
867VAE,
866VAE-K9,
867VAE-K9,
xDSL
models
888EA,
xDSL models
892FSP,
896VA,
897VA,
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
SRST17
models
892
V.92 modem Provides dial backup and remote management functions if
the main WAN link fails.
— — 891
FXO18 port An FXO interface connects local calls to a central office or
PBX. This is the interface a standard telephone provides.
— 881 SRST —
FXS19/DID20
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 —
BRI voice port The ISDN BRI S/T voice interface provides a client-side
(TE) ISDN S/T physical interface for connection to an NT1
device that terminates an ISDN telephone network.
— 887V —
SFP21 port Supports auto-media-detection, auto-failover, and remote
fault indication (RFI), as described in the IEEE 802.3ah
specification.
See the Cisco 892F data sheet for a list of supported SFPs.
— — 892F
models,
892FSP,
896VA,
897VA,
897VAM,
897VAW,
897VAMW,
898EA
1. FE = Fast Ethernet.
2. MDI = media-dependent interface in normal mode.
3. MDIX = media-dependent interface in crossover mode.
4. GE = Gigabit Ethernet.
5. MDI = media-dependent interface in normal mode.
6. MDIX = media-dependent interface in crossover mode.
7. VPN = Virtual Private Network.
8. IPsec = IP security.
9. This applies to most models of the Cisco 880 series routers.
10. This applies to Cisco 880 series routers with embedded, wireless antennas.
11. xDSL = General term referring to various forms of DSL, including ADSL (asymmetric digital subscriber line), VDSL (very-high-data-rate digital
subscriber line), and G.SHDSL.
12. VDSLoPOTS = very-high-data-rate digital subscriber line 2 over plain old telephone service.
13. PoE = Power over Ethernet. This function can be added to an 880 or 890 series router by installing the PoE adapter card in the router and inserting the
PoE 48-V external power adapter.
Table 1-16 Hardware Features Available in Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series ISRs (continued)
Feature Description 860 Series 880 Series 890 Series