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DC Power Cable (with OT and Cord End Terminals)
Types of DC Power Cables
DC power cables include a -48 V power return cable and a -48 V power cable. The -48 V power return cable is connected to a terminal marked RTN (+), and the -48 V power cable is connected to a terminal marked NEG (–).
Appearance and Structure
Figure 8-22 and Figure 8-23 show the appearance and structure of the -48 V power return cable and -48 V power cable.
A -48 V power return cable is black and is connected to the RTN(+) terminal of the DC power supply. A -48 V power cable is blue and is connected to the NEG(-) terminal of the DC power supply.
Pin Assignments
Table 8-12 Pin assignments of the power cable
X1 |
X2 |
Length |
Conductor Cross-Sectional Area |
|---|---|---|---|
OT |
Cord end terminal |
3 m |
1 mm2 (18AWG) |
Connection
A DC power cable (with OT and cord end terminals) is connected to a DC power module with OT terminals as follows:
- The OT terminal is connected to the input port on the DC power module of the device.
- The cord end terminal is connected to an external power module.