Cisco 881W - Integrated Services Router Wireless Hardware Installation Manual page 35

Chapter 1 Product Overview
Table 1-4 Hardware Features Available in Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series ISRs (continued)
Feature Description
FE WAN port Provides connection to 10/100BASE-T. Can be connected to
other network devices, such as a cable modem, an xDSL
modem, or router. The router is capable of bridging and
multiprotocol routing between the LAN and WAN ports.
7
GE WAN port 10/100/1000 GE WAN Port.
8
VDSL2oPOTS Provides connection to a VDSL2 network.
port
ADSL2+oPOTS 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 (ADSL2+)
ADSL2+oISDN Provides ADSL connection over ISDN.
Real-time clock RTC provides nonvolatile date and time when the router is
(RTC) 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.
USB port Supports high-speed 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.
9
PoE (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.
10
G.SHDSL port Provides 2-wire or 4-wire connection to a G.SHDSL
network.
11
3G card slot Provides backup data link.
Dying gasp Detects when the router is about to lose power, and sends a
power-fail signal to warn the DSLAM
impending line drop.
Data BRI port Provides backup and remote management functions by
connecting to the ISDN service provider if the main
VDSL2
V.92 modem Provides dial backup and remote management functions if
the main WAN link fails.
15
FXO port An FXO interface connects local calls to a central office or
PBX. This is the interface a standard telephone provides.
Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide
OL-16193-03
13
or G.SHDSL link fails.
860 Series
861 models
6
—
—
867
models—
—
—
—
—
—
—
—
12
about the
—
—
—
Hardware Features
880 Series 890 Series
881 models All models
— All models
887V —
887 —
models887
V
886 —
models886
All models All models
All models All models
Models with Models with
PoE PoE
888 models —
3G models —
xDSL —
models
xDSL 892 models
models,
except for
the 3G and
14
SRST
models
— 891 models
881 SRST —
models
1-21