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Description

The OP5971 was designed as a convenient solution to connect each individual channel routed through OPAL-RT’s standard DB37 I/O connector.

There is no signal conditioning or any impact on the signals. The OP5971 simply passes signals through the DB37 to SMB.

Pin Assignments

The table below gives the pin-out of the DB37 I/O connector and the corresponding SMB pin-out  Note that all SMB connectors are referenced to the same GND.

DB37 Pin

Standard

DB37 Pinout

SMB Pinout

DB37 Pin

Standard

DB37 Pinout

SMB Pinout

1

ch +00

ch +00

20

ch -00

GND

2

ch +01

ch +01

21

ch -01

GND

3

ch +02

ch +02

22

ch -02

GND

4

ch +03

ch +03

23

ch -03

GND

5

ch +04

ch +04

24

ch -04

GND

6

ch +05

ch +05

25

ch -05

GND

7

ch +06

ch +06

26

ch- 06

GND

8

ch +07

ch +07

27

ch- 07

GND

9

ch +08

ch +08

28

ch -08

GND

10

ch +09

ch +09

29

ch -09

GND

11

ch +10

ch +10

30

ch -10

GND

12

ch +11

ch +11

31

ch -11

GND

13

ch +12

ch +12

32

ch -12

GND

14

ch +13

ch +13

33

ch -13

GND

15

ch +14

ch +14

34

ch -14

GND

16

ch +15

ch +15

35

ch -15

GND

18N/AN/A36N/AN/A
18Vuser
37VrtnGND
19





It is important to note a difference in the GND connections when using the DB37 to SMB adapter as this may impact isolation.


Using with Digital Outputs

When using this adapter with digital output signals, users must provide an external power supply. Use connector P4 at the bottom right to connect the power source.

Digital Outputs

Specifications

Product name

OP5971

Part number

126-0555

Product type

DB37 to SMB connector adapter

Dimensions

7.74 x 4.34 cm (3.04 in x 1.71 in)

Operating temperature

10 to 40 ºC (50 to 104ºF)

Storage temperature

-55 to 85ºC (-67 to 185ºF)

Relative humidity

10 to 90%, non-condensing

Maximum altitude

2,000 m (6562 ft.)

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