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4.2 Power Supply Wiring and Grounding

Figure 7: M2000 Series Philips Screw Terminal Block

The M2000 Family supports dual redundant power supplies – “Power Supply 1 (PS1)” and “Power

Supply 2 (PS2)”. The connections for PS1, PS2 and the fail-safe relay are located on the terminal
block as shown in Figure 7.

The M2000 Family is equipped with a Philips Screw Terminal Block. The Philips Screw Terminal

Block has Philips screws with a compression plate allowing either bare wire connections or
crimped terminal lugs. RuggedCom recommend the use of #6 size ring lugs to ensure secure,

reliable connections under severe shock or vibration. The terminal block has a safety cover which
must be removed via two Phillips screws before connecting any wires. The safety cover must be

re-attached after wiring to ensure personnel safety. Refer to Table 3 below for a description of each
terminal as well as sections 4.2.1 through 4.2.3 for wiring examples.

Philips Screw Terminal without Cover

Philips Screw Terminal with Cover

Safety Cover

Screws

Chassis Ground

Connection

Surge / Chassis

Ground Jumper

Terminal