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Chapter 3 Hardware Overview
GS-3012/GS-3012F User’s Guide
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The following table describes the port labels on the front panel.
3.1.1 Console Port
For local management, you can use a computer with terminal emulation software configured
to the following parameters:
•VT100
• Terminal emulation
• 9600 bps
• No parity, 8 data bits, 1 stop bit
• No flow control
Connect the male 9-pin end of the console cable to the console port of the GS-3012F switch.
Connect the female end to a serial port (COM1, COM2 or other COM port) of your computer.
3.1.2 Gigabit Ports
The GS-3012 has 100/1000Mbps auto-negotiating, auto-crossover Gigabit ports. The speed of
the Gigabit ports can be 100Mbps or 1000Mbps and the duplex mode can be half duplex (for
100 Mbps) or full duplex. The GS-3012’s mini-GBIC slots are paired with Gigabit ports.
The GS-3012F has 100/1000Mbps auto-negotiating, auto-crossover Gigabit ports. The speed
of the Gigabit ports can be 100Mbps or 1000Mbps and the duplex mode can be half duplex (at
100 Mbps) or full duplex. The GS-3012F’s Gigabit ports are paired with mini-GBIC slots.
The switch uses up to one connection for each mini-GBIC and Gigabit pair. The mini-GBIC
ports have priority over the Gigabit ports. This means that if a mini-GBIC port and the
corresponding Gigabit port are connected at the same time, the Gigabit port will be disabled.
Table 1 Front Panel Connections
LABEL DESCRIPTION
8 100/1000
Mbps RJ-45
Ethernet Ports
(GS-3012)
Connect these 1Gbps Electrical Ethernet ports to high-bandwidth backbone network
Ethernet switches or use them to daisy-chain other switches.
8 Mini-GBIC
Slots (GS-
3012F)
Use mini-GBIC transceivers in these slots for fiber-optic connections to backbone
Ethernet switches.
Four Dual
Personality
Interfaces
Each interface has one 1000 Base-T copper RJ-45 port and one Small Form-Factor
Pluggable (SFP) fiber port, with one port active at a time.
• 4 100/1000 Mbps RJ-45 Gigabit Ports:
Connect these Gigabit Ethernet ports to high-bandwidth backbone network
Ethernet switches.
•4 Mini-GBIC Slots:
Use mini-GBIC transceivers in these slots for fiber-optic connections to backbone
Ethernet switches.
Console Port The console port is for local configuration of the switch.
Management
Port
Connect to a computer using an RJ-45 Ethernet cable for local configuration of the
switch.