Cisco Systems OL-27407-01 manual Feature Description Series

Chapter 1 Product Overview

Cisco C891 Series ISRs

Table 1-37	Hardware Features Available in Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series ISRs (continued)
Feature		Description	860 Series	880 Series	890 Series
BRI voice port		The ISDN BRI S/T voice interface provides a client-side	—	887V	—
		(TE) ISDN S/T physical interface for connection to an NT1
		device that terminates an ISDN telephone network.
SFP21 port		Supports auto-media-detection, auto-failover, and remote	—	—	892F
		fault indication (RFI), as described in the IEEE 802.3ah			models,
		specification.			892FSP,
		See the Cisco 892F data sheet for a list of supported SFPs.			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.

14.G.SHDSL = (global industry standard) symmetrical high-speed DSL.

15.3G = Third-Generation.

16.DSLAM = digital subscriber line access multiplexer.

17.SRST = Survivable Remote Site Telephony.

18.FXO = Foreign Exchange Office.

19.FXS = Foreign Exchange Station.

20.DID = Direct Inward Dialing.

21.SFP = small-form-factor pluggable.

	Cisco Integrated Services Router Hardware Installation Guide
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