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6.
Refer to "Power Precautions."
7.
Follow these additional precautions when making connections to DC power supplies:
NOTE
The equipment installation must meet NEC/CEC code requirements. Consult local authorities for regulations.
CAUTION
For the DC input circuit to the system, make sure there is a 10 Amp circuit breaker, maximum 60 VDC, double
pole, on the input terminal block to the power supply. The input wiring for connection to the product should be
copper wire, 16 AWG, marked VW-1, and rated minimum 90°C.
CAUTION
DC return shall be isolated from the chassis ground (DC-I) when connections to the power supply are made.
CAUTION
For a DC system, use grounding wire of at least 16 American Wire Gauge (AWG). The grounding wire should be
attached to the DC input connector; the other end connects to the building ground.
Verifying operation
Power is supplied to the device as soon as the first power supply is connected and powered on. During POST activities, the system
status LED on the port-side of the device displays amber and the port LEDs illuminate.
After the system powers on and POST completes, verify the following:
1.
Verify that the power supply LEDs are solid green. Refer to the "LED Locations" section of this guide for the location of these
LEDs.
2.
Verify that the system power LED and the system status LED is solid green. Refer to the "LED Locations" section of this guide
for the location of these LEDs.
3.
When POST is complete, only the LEDs for ports connected to other devices should be green. Refer to the "LED Locations"
section of this guide for the location of these LEDs.
Refer to the appropriate "LED Patterns" section of this guide for the meaning of LED displays.
Establishing a serial connection
Perform all configuration tasks in this guide using a serial connection from a workstation or terminal. The serial port can be used to
connect to a workstation to configure the IP address for the device before connecting it to a fabric or IP network.
Complete the following steps to create a serial connection to the device.
1.
Connect the serial cable to the serial port on the device and to an RS-232 serial port on the workstation or terminal device.
If the serial port on the workstation or terminal device is RJ-45 instead of RS-232, remove the adapter on the end of the serial
cable and insert the exposed RJ-45 connector into the RJ-45 serial port on the workstation.
ExtremeSwitching VDX 6740 Hardware Installation Guide
9036108-00
Establishing a serial connection
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