Cisco Catalyst 2950 Hardware Installation Manual page 168

Wiring the DC-Input Power Source
You must connect the Catalyst 2950G-24-EI-DC or Catalyst 2950ST-24 LRE 997
Caution
switch only to a DC-input power source that has an input supply voltage from –36
to –72 VDC. If the supply voltage is not in this range, the switch might not operate
properly or might be damaged.
The switch must be installed with 5A-branch-circuit protection.
Caution
Note This installation must comply with all applicable codes.
To wire the switch to a DC-input power source, follow these steps:
Step 1 Locate the terminal block plug (see
Figure C-4
Catalyst 2950 Desktop Switch Hardware Installation Guide
C-6
Terminal Block Plug
Appendix C
Figure C-4).
Connecting to DC Power
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