3G Features for Cisco 880 Series Integrated Services Routers PDF QA Reference
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Q. What kind of 3G modem is integrated with the Cisco 880G Series Integrated Services Routers?
A. When ordered with the 3G option, these routers are available with the 3G cards listed in Table 2 for 3GPP Standard based on Wideband Code Divison Multiple Access (WCDMA) and 3GPP2 standard based on Code Division Multiple Access 2000 (CDMA2000) carriers. These 3G cards are backward compatible to 2G technologies namely EDGE/GPRS based on GSM technology and 1xRTT based on narrowband CDMA technology.
Q. Can I use my own 3G modem for the Cisco 880G Series 3G interface?
A. No. The Cisco supported Sierra Wireless 3G modems will be bundled with the Cisco 880G Series 3G routers. Cisco will not support any modems not bundled with the platforms.
Q. Can I order the 3G modem separately?
A. Each Cisco 880G Series 3G router will be shipped with a 3G modem. You can order additional modems separately as spare units.
Q. What technology is the Cisco modem based on?
A. The Cisco 3G PC Express AirCard with part number PCEX-3G-HSPA and PCEX-3G-HSPA-A are based on Sierra Wireless AC880E modems, and the Cisco PC Express AirCard with part number PCEX-3G-CDMA-x based on the Sierra Wireless AC597E modems.
Q. Is the 3G modem hot-swappable?
A. Yes, the 3G modem is hot-swappable, but with the same modem type. You need to put the cellular interface in the shut-down state using the Cisco IOS Software command-line interface (CLI) before you replace the modems. Please note that the new, replacement modem must go through the activation process if not previously activated.
Q. Is the account information stored on Cisco IOS Software? If I remove an existing 3G modem connected to the Sprint network and replace it with another 3G modem, will the replacement modem retain the same values?
A. No. The account information is stored on the nonvolatile RAM (NVRAM) for the Cisco 3G CDMA modems and on the subscriber-identity-module (SIM) card for the Cisco 3G WCDMA/GSM modems — not on Cisco IOS Software. Each modem is uniquely provisioned using the electronic serial number (ESN). You need to activate the new card with your service provider, and your service provider needs to move your account information to the new ESN.
Q. What are the available antenna solutions with the integrated 3G modem for the Cisco 880 Series routers?
A. For all the Cisco 880G Series Integrated Services Routers and spares, one multiband dipole antenna with a 4.5-ft cable with (SSMB) plug connector is included with the router.
Q. What wireless standards are supported with the 3G modem for the Cisco 880 Series?
A. The following 3G and second-generation (2G) wireless technologies are supported on the 3G modems. Note that performance numbers listed here are theoretical limits and may not be seen in production networks; contact your preferred wireless carrier for expected performance rates:
EVDO (CDMA2000)
? CDMA 1xEV-DO Rev A1 (forward link up to 3.1 Mbps; reverse link up to 1.8 Mbps)
? CDMA 1xEV-DO Rel 0 (forward link up to 2.4 Mbps; reverse link up to 153.6 kbps)
? CDMA 1xRTT (forward link up to 153.6 kbps; reverse link up to 153.6 kbps)
? HSPA/UMTS, EDGE/GPRS (WCDMA and GSM)
? HSPA: 850, 1900, and 2100 MHz (downlink up to 7.2 Mbps; uplink up to 2.0 Mbps)
? Universal Mobile Telecommunication System (UMTS): 850, 1900, and 2100 MHz
? (forward link up to 2.0 Mbps; reverse link up to 384 kbps) Enhanced Data Rates for GSM Evolution (EDGE): 850, 900, 1800, and 1900 MHz
? (forward link up to 236 kbps; reverse link up to 124 kbps)
Download 3G Features for Cisco 880 Series Integrated Services Routers PDF QA Reference
3G Features for Cisco 880 Series Integrated Services Routers
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