Appendix f: alarm i/o pin definition – Speco Technologies DVR-16TT User Manual

Page 126

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User’s Manual

DVR-4TN/8TN/16TN/ 16TS/16TT Series
SPECO TECHNOLOGIES 01/06

125

Appendix F: Alarm I/O Pin Definition

The tables below list the pin definitions of alarm I/O located on the rear panel of the

DVR-4TN/8TN/16TN/16TS/16TT

series unit.

DVR-4TN Alarm I/O

Pin

Definition

Pin

Definition

Pin

Definition

1

RS485 D+

8

Normal Close 2

15

Reserved

2

RS485 D-

9

Common Node 2

16

Reserved

3

Ground

10

Normal Open 2

17

Reserved

4

Normal Close 1

11

Alarm In 1

18

Reserved

5

Common Node 1

12

Alarm In 2

19

Reserved

6

Normal Open 1

13

Alarm In 3

20

Reserved

7

Ground

14

Alarm In 4

21

-

DVR-8TN Alarm I/O

Pin

Definition

Pin

Definition

Pin

Definition

1

RS485 D+

8

Normal Close 2

15

Alarm In 5

2

RS485 D-

9

Common Node 2

16

Alarm In 6

3

Ground

10

Normal Open 2

17

Alarm In 7

4

Normal Close 1

11

Alarm In 1

18

Alarm In 8

5

Common Node 1

12

Alarm In 2

19

Reserved

6

Normal Open 1

13

Alarm In 3

20

Reserved

7

Ground

14

Alarm In 4

21

-

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