CXtec NEW COMPATIBLE GIG SX MMF MINI GBIC WITH LC CONNECTORS AND LIFETIME WARRANTY Guia De Especificaciones

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38 Chapter 2 Installing GBICs
318034-D Rev 00
1000BASE-XD specifications
The Model 1000BASE-XD GBIC provides Gigabit Ethernet connectivity using 
SC duplex single-mode fiber connectors. High-performance optical transceivers 
enable Gigabit Ethernet link distances up to 50 kilometers (km) over single-mode 
fiber. The ports operate in full-duplex mode only.
 describes standards, connectors, cabling, and distance for the Model 
1000BASE-XD GBIC.  
Optical budget
10.5 dB
Laser Transmitter Characteristics
Minimum launch power
-9.5 dBm
Maximum launch power
-3 dBm
Receiver Characteristics
Minimum receiver sensitivity -20 dBm
Maximum input power
-3 dBm
Note: When multimode fiber is used in long-distance applications, 
external, removable, mode-conditioning patch cords may be required to 
prevent differential mode delay (DMD). You can order mode 
conditioning patch cords through Nortel :
• SC-SC Mode-Conditioning Patch Cord 62.5/125 (part number 
AA0018035)
• SC-SC Mode-Conditioning Patch Cord 50/125 (part number AA0018036)
Table 16   1000BASE-XD GBIC specifications
Type
Specifications
Standards
Conforms to the following standards:
• 802.3z, Ethernet full duplex
Connectors
Duplex SC single-mode fiber optic connector
Cabling
Single-mode fiber optic cable
Table 15   1000BASE-LX specifications (continued)
Type
Specifications