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NetSure -48V DC Bulk Output Power System Installation and User Instructions (UM582127100)
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Rev. E
32
Figure 12:
System Interface Connections
A CAN termination plug
must be installed if an
external device or system
is not connected here.
The end of the Controller CAN Bus is routed
from the bottom-most rectifier shelf into
the top-most rectifier shelf via cable P/N 556430.
Use cable P/N 556238 to connect external devices
to the end of the Controller CAN bus. Access the connector
by removing the top cover from the controller section of
the shelf.
RS-485 Connection
Pin 1: RS485+
Pin 2: RS485-
RS-232 Connection
Pin 1: DCD232
Pin 2: RXD232
Pin 3: TXD232
Pin 4: DTR232
Pin 5: CGND
Pin 7: RTS232
RS-232
RS-485
SYSTEM
TEMP
PROBE 1
SYSTEM
TEMP
PROBE 2
1
5
6
9
2
1
1
2
1
2
1
2
1
2
1
2
STD
Controller Section of Main
Shelf (components removed
for clarity only)
Factory
Connected
to TB5
Internal System
Interface Circuit Card
TB5
External System
Interface Circuit Card
LA
BA
OPT
Factory
Connected to
DC Bus and
CAN Bus
Factory
Connected
to TB5
See table
on next page.
Factory
Connected
to TB5
Factory
Connected
to TB5
Wire Size Capacity:
30-12 AWG.
Recommended Torque:
4.4 to 5.3 in-lbs.
