Cisco 880 Series Hardware Installation Manual page 32

Cisco 880 Series ISRs
Figure 1-13
Figure 1-13 Back Panel of the Cisco C881SRST-W Voice Router
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1. Depending on the router model, the primary WAN port can be either G.SHDL or 10/100 FE.
2. FXS = Foreign Exchange Station.
3. DID = Direct Inward Dialing.
4. FXO = Foreign Exchange Office.
5. TBP = trunk bypass.
6. Ports 0 and 1 provide PoE with the optional PoE module installed
7. The Cisco 880 series ISRs can include an optional PoE module that provides power to 802.3af-compliant devices connected
Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide
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shows the back panel details of the Cisco 881SRST-W voice router.
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Primary WAN port —10/100 FE
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Voice ports—four FXS /DID
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FXO port with TBP power failover
4-port 10/100 Ethernet switch
Serial port—console or auxiliary
PoE power connector for optional PoE
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module
to ethernet ports 0 and 1. If this feature was not configured with the factory order, you must order and install the Field
Replaceable Unit (FRU) to enable the PoE function. For this you either need the FRU "800-IL-PM=2" or "800G2-POE-2".
If your device has a separate PoE inlet, use the 800-IL-PM=2, if it has one combined inlet (a description saying "POE
OPTION REQUIRES 5A POWER ADAPTOR"), then use the 800G2-POE-2.
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Antenna—captive wireless omnidirectional
dipole WLAN antenna (wireless models only)
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ports, one Reset button
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Power connector
9 Earth ground connection
10 Kensington security slot
Chapter 1 Product Overview
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