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Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide
OL-16193-03
Chapter 1 Product Overview
Cisco 880 Series ISRs
Figure 1-8 shows the back panel details of the Cisco 881SRST-W voice router.
Figure 1-8 Back Panel of the Cisco C881SRST-W Voice Router
1 Primary WAN port
1
—10/100 FE
1. Depending on the router model, the primary WAN port can be either G.SHDL or 10/100 FE.
6 Antenna—captive wireless omnidirectional
dipole WLAN antenna (wireless models only)
2 Voice ports—four FXS
2
/DID
3
ports, one
FXO
4
port with TBP
5
power failover
2. FXS = Foreign Exchange Station.
3. DID = Direct Inward Dialing.
4. FXO = Foreign Exchange Office.
5. TBP = trunk bypass.
7 Reset button
3 4-port 10/100 Ethernet switch 8 Power connector
4 Serial port—console or auxiliary 9 Earth ground connection
5 PoE power connector—optional 10 Kensington security slot
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