TOSHIBA
4 - 5
4.0 UPS Connections
4.3 Wire Size and Tightening Torque
Use the following table to select the correct wire size and terminal lug tightening torque
for I/O wire connections.
4.4 Communication Interface
4.4.1 Remote Contact (IBM AS/400)
The AS/400 interface is a standard feature and is available as dry switch
contacts through a DB9 male connector located on the back side of the UPS
(see Section 9.1 for DB9 connector location). The following schematic shows
the contact state and pin assignment for each signal and the associated DB9
connector pinout.
12345
6789
Notes:
1) Pin "switches" are shown in their inactive states (if battery voltage is low pin 7 will
be connected to ground).
2) Contacts are resistive loads rated at 30 Vdc, 0.1 amp.
3) Pin number 3 is not used.
DB9 Male Connector Outline
(facing connector)
Input power loss
(battery operation)
5
6
7
9
8
4
1
2
System common
ground
Bypass active
(bypass supplied)
Battery voltage low
UPS on
(inverter supplied)
Fault detect signal
(1 Newton-meter = 8.8 pound-inches)
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