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Cisco C881 series Manual

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Cisco Integrated Services Router Hardware Installation Guide
Chapter 1 Product Overview
Cisco 860, 880, 890 Series
Figure 1-28 shows the back panel details of the Cisco 888SRST-W voice router.
Figure 1-28 Back Panel of the Cisco C888SRST-W Voice Router
Cisco 881-V, Cisco 887VA-V, and Cisco 887VA-V-W
Figure 1-29, Figure 1-30, and Figure 1-31 show the features available on the Cisco 881-V and
Cisco 887VA-V routers. The features available vary, depending on the router model. Some features may
not be available on your router.
The Cisco 881-V and Cisco 887VA-V voice and data series gives you the flexibility to use either FXS
or BRI voice ports. However, the number of concurrent calls that can be supported by the router is limited
by the codec complexity setting on the router. Table 1-28 lists the maximum number of calls that is
supported when the codec complexity command is configured for Flexible, Medium or High complexity.
1 Primary WAN port
1
—G.SHDSL
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/DIDports and one
voice BRI port
7 Reset button
3 4-port 10/100 Ethernet switch
2
2. Ports 0 and 1 provide PoE with the optional PoE module installed.
8 Power connector
4 Serial port—console or auxiliary 9 Earth ground connection
5 PoE power connector for optional PoE
module
3
3. The Cisco 880 series ISRs can include an optional PoE module that provides power to 802.3af-compliant devices connected
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.
The primary WAN port on all 888E models is designed for an RJ-45 connector only. Damage to the
primary WAN port may occur if a non-RJ-45 connector is inserted.
10 Kensington security slot
241905
32 2 4 7 9 1086 51
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