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26 CHAPTER 1: SWITCH 7750 COMPONENTS
Figure 20 8-Port 1000BASE-X GBIC Module
Every GBIC port has a LED, as shown in Figure 21.
Figure 21 Front Panel of the 8-Port 1000BASE-X GBIC Module
1 GBIC port
2 GBIC port LED
Table 31 describes the 8-Port 1000BASE-X GBIC module LEDs.
The cables for each of the supported 8GBIC modules are described inTable 32.
Table 33 describes the specifications of the 8-port 1000BASE-X GBIC module.
Table 31 8-Port 1000BASE-X GBIC Module LEDs
LED Description
LINK Off — The link is not connected
Green — The link is connected
ACT Off — No data is being transmitted
Green flashing — Data is being transmitted or received
Table 32 GBIC Module Port Cables
GBIC Module Type Central Wave Length
3CGBIC91 850 nm
3CGBIC92 1550 nm
3CGBIC97 1550 nm
Table 33 Specifications for the 8-Port 1000BASE-X GBIC Module
Specification Description
CPU MPC850
3C16858
12