Chapter 2 Installation
Connecting to DC Power
2-24
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-02
Warning
Before performing any of the following procedures, ensure that power is
removed from the DC circuit. To ensure that all power is OFF, locate the
circuit breaker on the panel board that services the DC circuit, switch the
circuit breaker to the OFF position, and tape the switch handle of the circuit
breaker in the OFF position.
Caution You must connect the Catalyst 2950G-24-EI-DC 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.
Caution The switch must be installed with 5A-branch-circuit protection.
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 2-18).
Figure 2-18 Terminal Block Plug
60530
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