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Chapter 4: Installing the Switch and its Power Supplies
as this equipment.
Switching or disconnecting devices shall not be in the earthed circuit conductor between the DC source and the point of connection of the earthing electrode conductor. E55
Warning
Enough wiring space is required to allow the conductors to be introduced and connected easily. E56
To power on a switch with a DC
1.Power off the DC circuit to be used for the chassis.
2.Verify that the On/Off switch on the DC
3.Use the legend above the terminal block to identify the terminals. The terminals are positive, power supply ground and negative, from left to right, as shown in Figure 32 on page 70.
A |
| DC OUT | A | |
| CONNECTION, INSTALL ONLY IN | |||
| 6A |
| FAULT | |
+ | - | FOR CENTRALIZED DCPOWER | ||
| ON | |||
| OFF | |||
|
| |||
A |
|
|
|
|
|
|
| 2205 |
|
+48 VDC Positive | Ground |
| ||
Terminal | Terminal | Terminal |
|
Figure 32. DC Terminal Block on the DC AT-PWR250R-80 Power Supply
Module
70