PORT 2 (DB-25)

GND

1

RS232 TXD

14

2

 

RS232 RXD

15

3

 

RS232 RTS

16

4

 

RS232 CTS

17

5

 

RS232 DSR

18

6

 

RTN

19

7

 

+12V

20

8

 

NOT USED

21

9

 

NOT USED

22

10

 

NOT USED

23

11

 

NOT USED

24

12

 

NOT USED

25

13

 

NOT USED

NOT USED

NOT USED

NOT USED

NOT USED

NOT USED

RS232 DTR

NOT USED

--12V

NOT USED

NOT USED

NOT USED

Figure 25. Port 2 Pin Assignments

Table 3. Pin Assignments for Port 2 (DB---25)

Pin #

Symbol

Description

Comments

 

 

 

 

1

GND

Chassis Ground

 

 

 

 

 

2

TXD

Transmit Data

Input to UPS

 

 

 

 

3

RXD

Receive Data

Output from UPS

 

 

 

 

4

RTS

Request to Send

Input to UPS

 

 

 

 

5

CTS

Clear to Send

Output from UPS

 

 

 

 

6

DSR

Data Set Ready

Output from UPS

 

 

 

 

7

RTN

Return

 

 

 

 

 

8

+12V

+12 volts

Output from UPS --- always true

 

 

 

 

20

DTR

Data Terminal Ready

Input to UPS --- typically not used by UPS

 

 

 

 

22

---12V

--- 12 volts

Output from UPS --- always true

 

 

 

 

 

 

NOTE: Pins 5 and 6 are tied together internally.

42

Powerware 9315 (200 kVA ---300 kVA) Operation

 

164201036 Rev. D 041500

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Powerware 9315 operation manual Port 2 DB-25