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Cisco CGS 2520 Hardware Installation Guide
78-19377-02
Chapter 1 Product Overview
Cable Side
For information about SFP modules, see your SFP module documentation and the Installing and
Removing SFP Modules, page 2-19. For cable specifications, see SFP Module Cables, page B-4
SFP Module Patch Cable
The switch uses an SFP-module patch cable, a 0.5-meter, copper, passive cable with SFP module
connectors at each end (see Figure 1-3). The patch cable connects two switches in a cascaded
configuration.
Figure 1-3 SFP-Module Patch Cable
See the Inserting and Removing the SFP Module Patch Cable, page 2-21 for information about using the
SFP module patch cable.
You can order this cable (part number CAB-SFP-50CM=).
Table 1-2 Maximum Operating Temperature
Type of SFP Module Model
Rugged and Industrial SFPs
–40 to 140°F (–40 to 60°C)
• GLC-SX-MM-RGD
• GLC-LX-SM-RGD
• GLC-FE-100LX-RGD
• GLC-FE-100FX-RGD
• GLC-ZX-SM-RGD
Commercial SFPs
32 to 113°F (0 to 45°C)
• GLC-BX-D with DOM support
• GLC-BX-U with DOM support
• GLC-FE-100LX
• GLC-FE-100BX-D
• GLC-FE-100BX-U
• GLC-FE-100FX
• GLC-FE-100EX
• GLC-FE-100ZX
• CWDM SFP with DOM support
Extended temperature SFPs
23 to 140°F (–5 to 60°C)
• SFP-GE-L with digital optical monitoring
(DOM) support
• SFP-GE-S with DOM support
• SFP-GE-Z with DOM support
• GLC-EX-SMD with DOM support
