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Chapter 2 Hardware Description and Connection
GS1100 Series User’s Guide
14
2.2.1 RJ-45 Auto-negotiating Ports
The 10 Base-T/100 Base-TX/1000 Base-T RJ-45 ports are auto-negotiating and
auto-crossover.
An auto-negotiating port can detect and adjust to the optimum Ethernet speed
(10/100/1000 Mpbs) and duplex mode (full duplex or half duplex) of the
connected device.
An auto-crossover (auto-MDI/MDI-X) port automatically works with a straight-
through or crossover Ethernet cable.
2.2.2 Mini-GBIC Slots (GS1100-24 Only)
These are slots for mini-GBIC (Gigabit Interface Converter) 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
Small Form-factor Pluggable (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)
2.2.2.1 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).