Motorola SURFboard SBG940E دليل المستخدم

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DATA SHEET
Highlights
SBG940E
Integrated, Euro-DOCSIS 2.0
SURFboard cable modem
®
SURFboard Wireless Cable Modem Gateway
Router with four-port 10/100
fast Ethernet switch
• Half-/full-duplex
• Auto-MDIX cross-over
The Motorola SURFboard SBG940E delivers state-of-the-art high-speed wireless
cable detection
Internet access, networking, and security in one convenient package.
IEEE 802.11b/g wireless
access point
Advanced firewall
• Stateful packet inspection Three Advanced Networking Products in O

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DATA SHEET SBG940E SURFboard Wireless Cable Modem Gateway Wireless Ethernet STANDARDS COMPLIANCE ROUTER IEEE 802.11b/g Ethernet Standards Compliance IEEE 802.3, IEEE 802.3u IEEE 802.11b DSSS Uplink Ports Four IEEE 802.11b/g OFDM Environmental RF FREQUENCY RANGE TEMPERATURE, HUMIDITY, ALTITUDE North America 11 channels with center frequencies from o o o o Operating Temperature 0 C to 40 C (–32 F to 104 F), 2.412 GHz to 2.462 GHz –150 to 10,000 ft Japan Up to 14 channels with o o o o Storage Temp

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DATA SHEET SBG940E SURFboard Wireless Cable Modem Gateway Communication DOWNSTREAM Modulation 64 or 256 QAM Max. Data Rate* 51 Mbps Bandwidth 8 MHz Symbol Rate 64 QAM 6.952 Msym/s, 256 QAM 6.952 Msym/s Operating Level Range 64 QAM 43 to 73 dBμV, 256 QAM 47 to 77 dBμV Input Impedance 75 Ω (nominal) Frequency Range 108 MHz to 860 MHz UPSTREAM Modulation 8***, 16, 32***, 64***, 128**** QAM or QPSK Max. Channel Rate** 30 Mbps Bandwidth 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4*** MHz