B-4
Catalyst 6500 Series Switches Installation Guide
OL-5781-04
Appendix B      Transceivers, Module Connectors, and Cable Specifications
  Transceivers
GLC-LH-SM= • 1000BASE-LX/LH SFP transceiver module for SMF, 
• 1300-nm wavelength, 
• LC duplex connector. (See Figure B-5.) 
• Transceiver cabling information is contained in Table B-4. 
• Refer to your release notes for a list of compatible modules and the 
software release level necessary to support this SFP.
GLC-ZX-SM=
• 1000BASE-ZX SFP transceiver module for SMF, 
• 1550-nm wavelength, 
• LC duplex connector. (See Figure B-5.) 
• Transceiver cabling information is contained in Table B-4. 
• Refer to your release notes for a list of compatible modules and the 
software release level necessary to support this SFP.
Ta b l e B - 2 1- G B  Tr a n s c e i v e r  M o d u les Descriptions (continued)
Transceiver 
Type Product Number Description