![Liebert UPStation GXT 2U Скачать руководство пользователя страница 23](http://html.mh-extra.com/html/liebert/upstation-gxt-2u/upstation-gxt-2u_user-manual_1907393023.webp)
Communications
19
7.0 C
OMMUNICATIONS
7.1
C
OMMUNICATIONS
I
NTERFACE
P
ORT
The Liebert GXT2U UPS has a standard DB-9 serial port female con-
nector located on the rear of the UPS unit. Several signals are pro-
vided on this port and are assigned as follows:
* Maximum voltage and current on pins 1, 7, 8, and 9 is 60VDC; 10.0 mA.
Pin
Assignment Description
1
Low Battery (open collector)
2
UPS TxD (typical RS-232 levels)
3
UPS RxD (typical RS-232 levels)
4
Remote Shutdown (5-12VDC, 10-24 mA max); battery operation
5
Common
6
Remote Shutdown (short to pin 5); all modes of operation
7
Low Battery (open emitter)
8
Utility Fail (open emitter)
9
Utility Fail (open collector)
Pin Assignment
Collector to Emitter*
5
4
3
2
1
6
7
8
9
(-)
(+)
330 Ohms
Open
Collector
Open
Emitter
DISCONTINUED
PRODUCT
Содержание UPStation GXT 2U
Страница 2: ...DISCONTINUED PRODUCT ...
Страница 41: ...NOTES DISCONTINUED PRODUCT ...
Страница 42: ...DISCONTINUED PRODUCT ...
Страница 43: ...DISCONTINUED PRODUCT ...