Engineering guidelines, General, Power requirements – ADTRAN MX410 User Manual
Page 17: Section 2 engineering guidelines -1, General -1, Power requirements -1, Table 2-1, Current draw at –48 vdc and ±24 vdc -1, Table 2-2, Fuse recommendations -1

61189500L1-1B
PRELIMINARY
2-1
Section 2
Engineering Guidelines
GENERAL
This section provides engineering guidelines for network designers who are incorporating an
MX410 or MX412 system into their network.
POWER REQUIREMENTS
provides the current draw at –48 VDC (operating range of –42 VDC to –60 VDC) and
±24 VDC (operating range of ±22 VDC to ±27 VDC) with redundant PSUs installed.
provides data for determining the recommended fuse for the fuse and alarm panel
that services the MX410/MX412.
Table 2-1. Current Draw at –48 VDC and ±24 VDC
Part Number
Equipment
Maximum Current Draw
at –48 VDC
Maximum Current Draw
at ±24 VDC
1189500L1
MX410
0.23 amps
0.41 amps
1189512L1
MX412
0.36 amps
0.76 amps
Table 2-2. Fuse Recommendations
System Voltage
Recommended Fuse
–48 VDC
2 amps, slow-blow
±24 VDC
2 amps, slow-blow