Figure 38: DC PSM in an ACX5448 router
Figure 39 on page 58 shows the DC PSM in ACX5448-D and ACX5448-M routers.
Figure 39: DC PSM in ACX5448-D and ACX5448-M Routers
NOTE: The DC PSM in the router has four terminals labeled V–, V–, V+, and V+ for connecting
DC power source cables labeled positive (+) and negative (–). The V+ terminals are shunted
together, as are the V– terminals.
Table 22 on page 58 and Table 23 on page 59 show the different PSMs and their direction of airflow.
Table 22: Airflow Direction in DC PSM for ACX5448
Color of Power
Supply Module
HandleDirection of AirflowWattagePower Supply Module Number
Juniper Azure BlueAirflow in (back-to-front)650 WJPSU-650W-DC-AFI
Juniper GoldAirflow out
(front-to-back)
JPSU-650W-DC-AFO
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