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Page 156 of 436
Power failure transfer control
AC power control
DC power observation
NN43021-310
Standard 06.01
Configuring the system monitor
Figure 63
System monitor to system monitor serial link cabling
Column 0
Master XSM
J5
J6
Pedestal
NT8D46AL
The system monitor can be cabled to the MDF to provide power failure
transfer control or additional alarms. The cable used is the NT8D46BH, EH,
or DH and it is plugged into J3 on the system monitor. With the same J3
connector, the system monitor can be used with a variety of cables.
The system monitor can also monitor and control an AC-powered UPS.
Connector J4 is used for this interface. Three cables are available for
connecting to a UPS: NT8D46AQ, NT8D46AJ, and NT8D46AU.
The system monitor can also work with DC power supplies. A J4 connector
monitors the rectifiers. Cable requirements depend on the battery distribution
box in use. With the Candeo power system, a NT8D46xx cable interfaces
from the connector J4 of the Large System's system monitor to the Candeo's
System Manager alarm output ports. See "Alarm interfacing to Candeo" on
page 169
for additional information.
March 2013
Column 1
Slave XSM
J5
J6
Pedestal
NT8D46AP
Column n
Slave XSM
J5
J6
Pedestal
n=63 maximum
553-7551
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