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