Powerware 9315 UPS operation manual Pin Assignments for Port 1 DB-9

Communication

+24V	1		NOT USED
		6
RS-232 TXD
	2
			485+
		7
RS-232 RXD
	3
			485–
		8
NOT USED
	4
			RETURN
		9
RETURN
	5

Figure 7-3. Port 1 (DB−9) Pin Assignments

Table 7-1.Pin Assignments for Port 1 (DB-9)

Pin Number	Symbol	Function		Comments
1	+24V	+24 Volts DC
2	TXD	Transmit Data		Input to UPS
3	RXD	Receive Data		Output from UPS
5	RTN	Return
7	485+	RS-485	+ Data
8	485–	RS-485	– Data
9	RTN	Return

NOTE The X−Slot communication bay is connected internally to the DB−25 port by default; the DB−25 is disabled for other uses. Contact your Eaton service representative to purchase, install, and set up an external modem or an internal X−Slot Modem Card.

GND

RS-232 TXD

RS-232 RXD

RS-232 RTS

RS-232 CTS

RS-232 DSR

RTN

+12V

NOT USED

NOT USED

NOT USED

NOT USED

NOT USED

114 NOT USED

2

15 NOT USED

316 NOT USED

4NOT USED

17

5NOT USED

18

6NOT USED

19

7RS-232 DTR

20

8NOT USED

21

9 22 –12V

10NOT USED

23

11NOT USED

24

12NOT USED

25

13

Figure 7-4. Port 2 (DB−25) Pin Assignments

7−4 EATON Powerware® 9315 UPS (200–300 kVA) Operation Manual S 164201036 Rev G www.powerware.com