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The Arris Surfboard S33 is a DOCSIS 3.1 device with a 2.5 Gbps Ethernet port that supports all major cable providers. Plus, it sports a second 1 Gbps Ethernet port you can use for a separate network.
Dual-band LTE modem (800 MHz, 2600 MHz) FRITZ!Box 6840 LTE LTE — 4 Gigabit b/g/n a 2.4 5.0 300 1 Type A Integrated 0 1 0 6.88 Tri-band LTE modem (800 MHz, 1800 MHz, 2600 MHz) FRITZ!Box 6842 LTE LTE — 4 Gigabit b/g/n 2.4 300 1 Type A Integrated a/b 1 0 6.35 Tri-band LTE modem (800 MHz, 1800 MHz, 2600 MHz); German version only
DOCSIS employs a mixture of deterministic access methods for upstream transmissions, specifically time-division multiple access (TDMA) for DOCSIS 1.0/1.1 and both TDMA and S-CDMA for DOCSIS 2.0 and 3.0, with a limited use of contention for bandwidth reservation requests. In TDMA, a cable modem requests a time to transmit and the CMTS grants it ...
If the HFC network is large, the cable modem termination system can be grouped into hubs for efficient management. Several standards have been used for cable internet, but the most common is DOCSIS. [1] A cable modem at the customer is connected via coaxial cable to an optical node, and thus into an HFC network.
The recent growth in user-generated content calls for more upstream capacity. Cable Labs developed the Full Duplex DOCSIS 3.1 standard to enable symmetrical service at speeds up to 10 Gbit/s in each direction. In DOCSIS 3.1, different frequencies are allocated for upstream and downstream transmissions, separated by a guard band.
On devices like modems, bytes may be more than 8 bits long because they may be individually padded out with additional start and stop bits; the figures below will reflect this. Where channels use line codes (such as Ethernet , Serial ATA , and PCI Express ), quoted rates are for the decoded signal.
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