Echelon DM-21 Device Manager - Manual (Page 29)

Device Manager User’s Guide 3-9
!
Warning
The DM-21 requires a Revision 1A Type 1 Base Plate. The power
supply internal to the DM-21 will be disabled if used with a revision 1
Base Plate. Be sure to use Revision 1A only.
Threaded screw holes
for attaching DM-21 to
Base Plate. Use 8-32, 3/
8" screw, Echelon 205-
0130-01 or equal.
Figure 3.8 - Type 1 Base Plate - Front Panel
Figure 3.9 shows a detailed view of the rear side of the base plate, the side to
which wiring connections are made. See DM-21 Pinout in Chapter 4 for more
information about DM-21 wiring connections.