CHAPTER 2: INSTALLING THE D20MX
Connecting the power supply
D20MX HARDWARE USER'S MANUAL
The D20MX processor board is supplied power through the WESTERM D20M+ SS
backplane. Power connections to the backplane are made on connector block TB1.
For the WESTERM D20M+ SS and WESTERM D20M+ (see Figure 13, "WESTERM D20M+SS:
power supply connections") the power supply connections:
1 & 2 are used for input power connections based on the D20 power supply
4 & 5 can be used as a switched auxiliary power supply source
7 & 8 can be used externally for status wetting, contact wetting and/or miscellaneous
power connections, if applicable.
Figure 13: WESTERM D20M+SS: power supply connections