ZyXEL GS-105I User Guide - Page 17
ZyXEL GS-105I Manual
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CHAPTER 1 Introducing the Zyxel Device 1.1 Overview The Zyxel Device is a GPON (Gigabit Passive Optical Network) router that offers dual-band WiFi connectivity and comes with a built-in 4-port Gigabit Ethernet switch and two phone ports to make Internet (VoIP) phone calls. The Zyxel Device also provides one 10 Gigabit Ethernet (10GbE) LAN port that supports Multi-Gigabit. See Section 1.1.1 on page 17 for more information about Multi-Gigabit. 1.1.1 Multi-Gigabit A 10 Gigabit Ethernet port supports speeds of 10 Gbps if the connected device supports 10 Gbps and a Cat 6a (up to 100 m) or Cat 6 cable (up to 50 m) is used. Some network devices such as gaming computers, servers, network attached storage (NAS) devices, or access points may have network cards that are capable of 2.5 Gbps or 5 Gbps connectivity. If these devices are connected to a 1 Gbps or 10 Gbps Ethernet port, they can only transmit or receive up to 1 Gbps as speeds of 10 Gbps cannot be attained. Moreover, if network devices with 10 Gbps network cards are connected to a 10 Gbps Ethernet port, you must use Cat 6A or better Ethernet cables to achieve 10 Gbps speeds. Most buildings, at the time of writing, use Cat 5e or Cat 6 Ethernet cables. Multi-Gigabit Ethernet ports automatically allow connections up to the speed of the connected network device (100 Mbps, 1 Gbps, 2.5 Gbps or 5 Gbps), and you just need to use a Cat 5e or Cat 6 Ethernet cable. See the following table for the cables required and distance limitation to attain the corresponding speed. Table 1 Cable Types CABLE TRANSMISSION SPEED MAXIMUM DISTANCE Category 5 100 Mbps 100 m Category 5e 1 Gbps/2.5 Gbps/5 Gbps 100 m Category 6 5 Gbps/10 Gbps 50 m Category 6a 10 Gbps 100 m Category 7 10 Gbps 100 m BANDWIDTH CAPACITY 100 MHz 100 MHz 250 MHz 500 MHz 650 MHz 1.2 Example Applications This section shows a few examples of using the Zyxel Device in various network environments. Note that the Zyxel Device in the figure is just an example Zyxel Device and not your actual Zyxel Device. PX7511-B0 User's Guide 17