Network Router User Manual

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Cisco 860 Series and Cisco 880 Series Integrated Services Routers Hardware Installation Guide
OL-16193-01
Chapter 1 Product Overview
Hardware Features
FXS
13
/DID
14
port
An FXS interface connects directly to a standard telephone,
a 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.
— SRST models
1. FE = Fast Ethernet.
2. MDI = media-dependent interface in normal mode.
3. MDIX = media-dependent interface in crossover mode.
4. VPN = Virtual Private Network.
5. IPsec = IP security.
6. xDSL = General term referring to various forms of DSL, including ADSL (asymmetric digital subscriber line) and G.SHDSL.
7. PoE = Power over Ethernet.
8. G.SHDSL = (global industry standard) symmetrical high-speed DSL.
9. 3G = Third-Generation.
10. DSLAM = digital subscriber line access multiplexer.
11. SRST = Survivable Remote Site Telephony.
12. FXO = Foreign Exchange Office.
13. FXS = Foreign Exchange Station.
14. DID = Direct Inward Dialing.
Table 1-3 Hardware Features Available in Cisco 860 Series and Cisco 880 Series ISRs (continued)
Feature Description 860 Series 880 Series