ADLINK iSeries Monitor 18/21 - Manual (Page 47)

Getting Started 35
TPZ-1300
2.5 Connecting DC power
The TPZ-1300 DC power input connector utilizes V+, V- , and
chassis ground pins, and accepts input voltage as discussed.
Connect the DC power connector and fix using the 2 screws.
WARNING:
Before providing DC power to the TPZ-1300, ensure voltage
and polarity provided are compatible with the DC input.
Improper input voltage and/or polarity can be responsible for
system damage.