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© 2008 RuggedCom Inc. All rights reserved Rev106
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 CoverPhilips Screw Terminal with Cover
Safety Cover
Safety Cover
Screws
Chassis Ground
Connection
Surge / Chassis
Ground Jumper
Terminal