UPS ZINTO A 1000, User Manual

Page: 86 / 181

7.2.3 Pin assignments DB9 socket
Pin Description
1 Battery discharged (normally open contact; if battery
discharged: contact to pin 5)
2 TxD, Transmitted Data (typical RS-232 level)
3 RxD, Received Data (typical RS-232 level)
4 DTR (connected to pin 6)
5 GND, ground
6 DSR (connected to pin 4)
7 Not used
8 Battery mode (normally open contact, in batt
contact to pin 5) ery mode:
9 Not used
Table 5: Pin assignments DB9 socket
7.2.4 Floating contacts
Pin arrangement
Floating outputs (pins 1 & 5, 8 & 5) *
* Max. voltage / current on pins 1, 5 and 8 is 24V DC, 20mA
Figure 14: Description DB9 socket
ATTENTION:
The USB and DB9 sockets cannot be used at the
same time.
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Manual-ZintoA_final_ger_engl_it_20090929.doc
30.09.2009, Dipl.-Ing. S. Spitzley