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Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-02
Chapter 2 Installation
Preparing for Installation
Installation Guidelines
When determining where to place the switch, observe these guidelines. (See
Appendix A, “Technical Specifications.”
for detailed specifications.)
•
For 10/100 ports and 10/100/1000 ports, the cable length from a switch to an
attached device cannot exceed 328 feet (100 meters).
•
For 100BASE-FX ports, the cable length from a switch to an attached device
cannot exceed 6562 feet (2 kilometers) for full-duplex connections.
•
For the GBIC module ports, follow these guidelines:
–
The cable length from a 1000BASE-SX GBIC to an attached device
cannot exceed 1804 feet (550 meters).
–
The cable length from a 1000BASE-LX/LH GBIC to an attached device
cannot exceed 32,810 feet (10 kilometers).
–
The cable length from a 1000BASE-ZX GBIC to an attached device
cannot exceed 328,100 feet (100 kilometers).
–
The cable length from a GigaStack GBIC to an attached device cannot
exceed 3 feet (1 meter).
•
Operating environment is within the ranges listed in
•
Clearance to front and rear panels meet these conditions:
–
Front-panel LEDs can be easily read.
–
Access to ports is sufficient for unrestricted cabling.
–
Rear-panel AC power connector is within reach of an AC power outlet.
–
Rear-panel DC power connector is within reach of a circuit breaker.
•
Airflow around the switch and through the vents is unrestricted.
