Cisco 881G - Fe Sec Router Uživatelský manuál Strana 11

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Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 11 of 16
System Specifications
Table 9 lists the system specifications for the Cisco 880 Series Routers.
Table 9. System Specifications
Feature Description
Default DRAM
256 MB on Cisco 880 Series data models
512 MB on Cisco 880 Series SRST models
Maximum DRAM 768 MB
Default and maximum flash
memory
128 MB on Cisco 880 Series data models
256 MB on Cisco 880 Series SRST models
WAN
Fast Ethernet
VDSL2 over POTS with ISDN backup
G.SHDSL (2- and 4-wire support) with ISDN backup
Fast Ethernet and 3G WAN for Code Division Multiple Access (CDMA) and high-
speed downlink packet access (HSDPA)
LAN switch Managed 4-port 10/100BASE-T with autosensing MDI/MDX for autocrossover
Standard 802.11g/n access point
based on IEEE 802.11n draft 2.0
standard
Optional on all models (except Cisco 887V )
Console or auxiliary port RJ-45
One USB 1.1 port for advanced
security features such as
security tokens or USB flash
One USB 1.1 port on Cisco 880 Series Routers
USB devices supported:
USB eTokens
USB flash
Note: USB 1.1 port cannot be used for connecting external devices other than those
specified at:
http://www.cisco.com/en/US/prod/collateral/modules/ps6247/product_data_sheet0900ae
cd80232473.html.
ISDN BRI S/T Available on:
Cisco 887V and 888 for out-of-band management and dial backup or primary
Point-to-multipoint configurations
3G express card modem Available on:
Cisco 881G for out-of-band management and backup or primary
Cisco 888G for out-of-band management and backup or primary
External power supply Universal 100 to 240 VAC input; 60 W, 12 VDC output
Inline PoE Optional internal adapter for inline PoE on 2 switch ports for IP phones or external
wireless access points; 802.3af compliant and Cisco PoE compliant
VDSL2 specifications
Broadcom Chipset
Support for G.992.3 over POTS only
VDSL2 band plan supported: 997 and 998, over POTS only
VDSL2 profiles supported: 8a, 8b, 8c, 8d, 12a, 12b, 17a
Ethernet Packet Transport Mode (PTM) mode only
IEEE 802.1q VLAN tagging
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