ZyXEL ES3500-24 User Guide - Page 31
Transceiver Slots
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Chapter 3 Hardware Overview 3.1.2.2 Auto-crossover All ports are auto-crossover, that is auto-MDIX ports (Media Dependent Interface Crossover), so you may use either a straight-through Ethernet cable or crossover Ethernet cable for all Gigabit port connections. Auto-crossover ports automatically sense whether they need to function as crossover or straight ports, so crossover cables can connect both computers and switches/hubs. 3.1.3 Transceiver Slots These are slots for mini-GBIC (Gigabit Interface Converter) transceivers or 1000 Mbps Small Formfactor Pluggable (SFP) transceivers. A transceiver is a single unit that houses a transmitter and a receiver. The Switch does not come with transceivers. You must use transceivers that comply with the SFP Transceiver MultiSource Agreement (MSA). See the SFF committee's INF-8074i specification Rev 1.0 for details. You can change transceivers while the Switch is operating. You can use different transceivers to connect to Ethernet switches with different types of fiber-optic or even copper cable connectors. To avoid possible eye injury, do not look into an operating fiber-optic module's connectors. • Type: SFP connection interface • Connection speed: 1 Gigabit per second (Gbps) 3.1.3.1 Transceiver Installation Use the following steps to install a mini-GBIC transceiver (SFP module). 1 Insert the transceiver into the slot with the exposed section of PCB board facing down. 2 Press the transceiver firmly until it clicks into place. 3 The Switch automatically detects the installed transceiver. Check the LEDs to verify that it is functioning properly. 4 Close the transceiver's latch (latch styles vary). ES3500 Series User's Guide 31