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Cisco Integrated Services Router Hardware Installation Guide
OL-27407-01
Chapter1 Product Overview
Cisco C891 Series ISRs
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.
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.
Table1-37 Hardware Features Av ailable in Cisco 860 Series, Cisco880 Series, and Cisco 890 Series ISRs (continued)
Feature Description 860 Series 880 Series 890 Series