Installation guide

Description of Hardware
1-7
This module supports 5 V 1000BASE-SX, 1000BASE-LX and 1000BASE-LH GBIC
transceivers:
1000BASE-SX GBIC transceivers provide one short-wavelength (850 nm) Gigabit
port that can be used for a high-speed backbone or server connection. This port can
be connected to a site up to 220 m (722 ft) away with 62.5/125 micron multimode
fiber cable, or up to 500 m (1641 ft) with 50/125 micron multimode fiber cable.
1000BASE-LX GBIC transceivers provide one long-wavelength (1300 nm) Gigabit
port that can be used for a high-speed backbone or server connection. This port can
be connected to a site up to 5 km (16404 ft) away with single-mode fiber cable.
1000BASE-LH GBIC transceivers provide one long-wavelength (1550 nm) Gigabit
port that can be used for a long-haul connection to a remote location. This port can
be connected to a site up to 70 km (43.5 miles) away with single-mode fiber cable.
Caution: Install only 5 V GBIC transceivers into the module slots.
Optional Stacking Module
Figure 1-10. Stacking Module
The module provides two 1 Gbps ports via USB Type-A connectors. The right port is
a transmit port and the one on the left a receive port. The module allows up to eight
switches to be linked together using stacking cables (ordered separately). The push
button on the module enables one switch in the stack to be selected as the master.
Combo Module
Figure 1-11. Combo Module
This combo module provides a Gigabit RJ-45 port with a shared Small Form Factor
Pluggable (SFP) transceiver slot. If an SFP transceiver (purchased separately) is
installed in a slot and has a valid link on the port, the associated RJ-45 port is
Stacking Module
RX TX
1000BASE Combo Module