Gbic Gigabit Ethernet Modules - 3Com 4005 Installation And Maintenance Manual

54 C 7: S F
HAPTER WITCH ABRIC
GBIC
Gigabit Ethernet
Modules
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ANAGEMENT ODULES AND
Model Number: 3C16826 (1 port), 3C16843 (2 ports)
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Size — Occupies one slot in the Switch 4005 chassis
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Functionality — Layer 2 and Layer 3 switching
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Physical features:
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Diagnostic LED shows module status.
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Release button and LED are used to remove the module.
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GBIC ports with a GBIC transceiver installed (not included with module)
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provide a 1000 Mbps connection. GBIC transceivers provide
autonegotiation for duplex mode and flow control.
A GBIC port can accept a 1000BASE-LX (single-mode fiber) transceiver or
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70-km long haul (single-mode fiber) transceiver. The GBIC module should
only be used with the transceivers approved by 3Com. See the "GBIC
Transceivers" section later in this chapter.
Module and Port LEDs — See Table 13 on page 56 for definitions.
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Front faceplate — See Figure 20 on page 55 for details.
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Use either of the following transceivers:
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GBIC Transceiver Maximum Transceiver Range
1000BASE-LX 10,000 m (32,810 ft)
Long Haul 70 km (43.4 mi)
Cabling requirements:
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The type of fiber optic cabling that you use depends on the GBIC transceiver
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that you select and the transmission range that you need. See the section
"GBIC Transceivers" on page 63 for more information.
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NTERFACE ODULES
3Com Model Number
3CGBIC92
3CGBIC97