Chapter 1 System Overview
TransCore Proprietary
1–19
Electrical Power
The MPRX accepts 12-110 VDC. Consult your local and national electrical codes for installation and safety
requirements.
It is the installer’s responsibility to supply conversion equipment and wiring. Table 2 contains power supply
current requirements.
Power circuits are protected internally against power surges (±30%).
Table 2 Power Supply Current Requirements
Input Voltage (VDC) Power (W)
12 28.7
110 27.4
Host Communications
The MPRX communicates through an asynchronous RS–232, RS–422, or Ethernet interface. Figure 2
shows the MPRX communications ports. Figure 3 shows the host connector pin designations.
Figure 2 MPRX Communication Ports
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