3Com 3C17304 Getting Started Guide - Page 28

CAUTION, Fiber SC connector

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28 CHAPTER 2: INSTALLING THE SWITCH Use this transceiver to connect the Switch directly to a single-mode fiber-optic cable or to multimode fiber using a conditioned launch cable. ■ 1000BASE-LH70 GBIC transceiver Use this transceiver to connect the Switch directly to a single-mode fiber-optic cable or to multimode fiber using a conditioned launch cable. ■ Fiber SC connector ■ Type 4 GBIC with internal EEPROM fitted. If the GBIC transceiver is faulty, it will not operate within the Switch. See "Solving Hardware Problems" on page 55. Do not use non-3Com GBICs. If the GBIC transceiver is invalid it will not be recognised by the Switch. Use the following sequence of steps to activate the GBIC ports. 1 To insert one of the transceivers into a GBIC expansion port on the Switch: a Orient the transceiver so that the fiber-optic duplex subscriber connector (SC) is toward you, as shown in Figure 7. b Gently slide the transceiver into the GBIC port until it clicks into place. 2 If you wish to remove the transceiver, compress the side tabs and gently pull the transceiver out of the port. CAUTION: GBIC transceivers are keyed and can be properly inserted only one way. If the transceiver does not click when you insert it, remove it, turn it over, and reinsert it.

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28
C
HAPTER
2: I
NSTALLING
THE
S
WITCH
Use this transceiver to connect the Switch directly to a single-mode
fiber-optic cable or to multimode fiber using a conditioned launch
cable.
■
1000BASE-LH70 GBIC transceiver
Use this transceiver to connect the Switch directly to a single-mode
fiber-optic cable or to multimode fiber using a conditioned launch
cable.
■
Fiber SC connector
■
Type 4 GBIC with internal EEPROM fitted.
If the GBIC transceiver is faulty, it will not operate within the Switch. See
“Solving Hardware Problems”
on
page 55
.
Do not use non-3Com GBICs. If the GBIC transceiver is invalid it will not
be recognised by the Switch.
Use the following sequence of steps to activate the GBIC ports.
1
To insert one of the transceivers into a GBIC expansion port on the
Switch:
a
Orient the transceiver so that the fiber-optic duplex subscriber
connector (SC) is toward you, as shown in
Figure 7
.
b
Gently slide the transceiver into the GBIC port until it clicks into place.
2
If you wish to remove the transceiver, compress the side tabs and gently
pull the transceiver out of the port.
CAUTION:
GBIC transceivers are keyed and can be properly inserted only
one way. If the transceiver does not click when you insert it, remove it,
turn it over, and reinsert it.