Dell H955N User Manual page 53
Line-interactive rack ups 5600w
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Also See for H955N:
- Getting started (184 pages) ,
- Getting started with your system (94 pages)
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Table 8. RS-232 Communication Port Pin Assignment
Pin
Signal Name
1
2
3
4
5
6
7
8
9
NOTE: Unused pins must be left free on all models.
Tx
Transmit to external device
Rx
Receive from external device
GND
Signal common (tied to chassis)
Function
Unused
Unused
Unused
Unused
Unused
Unused
Additional UPS Features
Direction from the UPS
—
Out
In
—
—
—
—
—
—
|
53
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