Ericsson MINI-LINK TN R3 ETSI - Page 25

Basic Node
-48V
Power A
-48V
FAN UNIT
Power B
Alarm B
Alarm A
Fault
Power
–48 V DC
A
–48 V DC
B
Fan alarm
A
Fan alarm
B
6710
Figure 23 FAU1
FAU1 has an automatic fan speed control and houses three internal fans.
FAU1 has two –48 V DC connectors for redundant power supply. Two
connectors are also available for export of alarms to PFU1.
19
4/1555-CSH 109 32/1-V1 Uen B 2007-09-14