Cisco 7304 Quick Start Manual page 18

ecause invisible laser radiation may be emitted from the aperture of the port when no fiber cable is connected, avoid
Warning B
exposure to laser radiation and do not stare into open apertures.
Class 1 l aser product.
Warning
Class 1 LED product.
Warning
Connect the Optical Fiber Cables to the GBIC in the NSE-100
Figure 12 Inserting the Gigabit Ethernet Optical Fiber Cables into the NSE-100 GBIC
1
2
3
4
1 To external 1000BASEX network
2 1 duplex connector (TX and RX)
3 To external 1000BASEX network
Note There is no support for copper-based GBICs (1000BASET) as these do not conform to the GBIC standard and have not
been validated by Cisco.
Because invisible laser radiation may be emitted from the aperture of the port when no fiber cable is connected,
Warning
avoid exposure to laser radiation and do not stare into open apertures.
Remove the GBIC plug.
Step 1
Attach the appropriate optical fiber cable directly to the SC-type receptacle on the GBIC. You can use either simplex
Step 2
or duplex connectors for most devices.
Two cables are required for simplex connectors, one cable for transmit (TX) and one for receive (RX).
One cable that has both TX and RX connectors is required for duplex connectors.
If you plan to use a GBIC-LX/LH or WS-G5486 at distances greater than 984.25 feet (300 meters) over
Caution
50/125-micron or 62.5/125-micron multimode fiber, to prevent data transmission problems you must use the
mode-conditioning patch cord.
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5 6
4
5
6
2 simplex connectors
RX
TX