Extreme Networks Summit 200-24, Hardware Installation Manual

Page: 365 / 386

Installing GBICs
Extreme Networks Consolidated "i" and "e" Series Hardware Installation Guide 365
To ensure proper installation, complete the following tasks before inserting the GBIC:
1 Inspect and clean the fiber tips, coupler, and connectors.
2 Prepare and clean an external attenuator, if needed.
3 Calculate the link budget.
In addition to these tasks, Extreme Networks recommends the following when installing or replacing
GBICs on an active network:
• Use the same type of GBIC at each end of the link.
• Connect one end of the link to the Tx port. Without an attenuator, measure the total loss from the Tx
port to the other site of the link. The total loss must not exceed the total optical system budget listed
in Figure 14 on page 54.
• Use dispersion shifted fiber whenever possible. This provides superior performance in the 1550 nm
range.
• When you handle fiber optic cable, do not stretch the fiber.
• Make sure the bend radius of the fiber is not less than 2 inches.
Installing or Replacing a GBIC
You can add and remove GBICs from a Extreme Networks switch without powering off the system.
Figure 179 shows the three types of GBICs.
Figure 179: GBIC types
CAUTION
GBICs are a Class 1 laser device. Use only Extreme-approved devices.
To insert a GBIC:
1 Holding the GBIC by its sides, insert the GBIC into the slot on the I/O module or the switch.
2 Slide the GBIC into the slot until you hear an audible click, indicating the GBIC is securely seated. If
the GBIC has a handle, push down on the handle to secure the GBIC.
NOTE
Remove the SC fiber-optic or the RJ-45 connector from the GBIC before removing the GBIC from the
I/O module or the switch.
EW_GBIC
Module A Module B Module C
Handle
Tab
Tab