B-4
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-07
Appendix B Connector and Cable Specifications
Connector Specifications
Figure B-5 Copper SFP Module RJ-45 Connector
XENPAK Module Ports (Catalyst 3750G-16TD Switch)
The Catalyst 3750G-16TD switch uses XENPAK modules for 10-Gigabit fiber-optic connections to
networks. See the Catalyst 3750 release notes for a list of supported XENPAK modules. Fiber-optic
XENPAK modules use SC connectors, as shown in Figure B-6.
Figure B-6 Fiber-Optic XENPAK Module SC Connector
Warning
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments.
Table B-2 lists the XENPAK modules that the Catalyst 3750G-16TD switch supports.
60915
231 45678Pin Label
1
2
3
4
5
6
7
8
TP0+
TP0-
TP1+
TP2+
TP2-
TP1-
TP3+
TP3-
H8707
Tx Rx
Table B-2 Catalyst 3750G-16TD Switch Supported XENPAK Modules
XENPAK Wavelength Connector and Cable Type Maximum Distance
C3-XENPAK-10GB-LR 1310 nm SC, SMF 6.2 miles (10 km)
XENPAK-10GB-ER 1550 nm SC, SMF 24.85 miles (40 km)
C3-XENPAK-10GB-SR 850 nm SC; FDDI
1
grade MMF
SC; OM3 MMF
1. FDDI = fiber distributed data interface
85.3 feet (26 m)
984.25 feet (300 m)
