Справочник Пользователя для Juniper Networks T1600
Figure 6: Typical DC Source Cabling to the T1600 Routing Node
Provisioning Additional Power for the T1600 Routing Node
For a maximally configured T1600 routing node, we recommend that you provision
at least 64 A @ –48 VDC for each power supply input in the system.
at least 64 A @ –48 VDC for each power supply input in the system.
We recommend that you provision a facility circuit breaker for each DC power supply
input rated for at least 125% of the continuous current that the input draws at
–48 VDC.
input rated for at least 125% of the continuous current that the input draws at
–48 VDC.
Replacing the Rear Fan Tray
NOTE: If the rear fan tray (model number FAN-REAR-TX-T640-S) is already installed,
replacing the rear fan tray is not necessary. Proceed to “Upgrading the DC Power
Supplies” on page 17.
replacing the rear fan tray is not necessary. Proceed to “Upgrading the DC Power
Supplies” on page 17.
The rear fan tray is hot-insertable and hot-removable. To replace a fan tray, use the
following procedures:
following procedures:
■
■
Replacing the Rear Fan Tray
■
13
Replacing the Rear Fan Tray