Guralp Systems Limited

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1. Introduction 2. Installing the CMG-DCM 3. Usage 4. Tools 5. Data transfer 6. Configuration 7. Configuring digitizers 8. Inside the DCM 9. Connector pinouts 10. Sensor and digitizer types 11. Revision history

Section Index: 9.1. Modular DCM units 9.2. Integrated DCM units

Chapter 9. Connector pinouts

9.1 Modular DCM units

PORT A and B

This is a standard 10-pin mil-spec socket (02E-12-10S). The pinout is such that the port can be connected to the serial output of a DM24 digitizer using a straight-through cable.

Pin

Function

A

Power 0 V

B

Power +10 to +35 V

C

RS232 RTS

D

RS232 CTS

E

RS232 DTR

F

RS232 DSR

G

RS232 ground

H

RS232 CD

J

RS232 transmit

K

RS232 receive

DATA OUT port

This is a standard 10-pin mil-spec plug (02E-12-10P). The pinout is the same as the serial output of a DM24 digitizer, allowing you to insert a DCM into a pre-existing installation and maintain connectivity.

Pin

Function

A

Power 0 V

B

Power +10 to +35 V

C

RS232 CTS

D

RS232 RTS

E

RS232 DTR

F

RS232 DSR

G

RS232 ground

H

RS232 CD

J

RS232 receive

K

RS232 transmit

USB connector

This is a standard 6-pin mil-spec socket (02E-10-06S).

Pin

Function

A

+5 V DC (USB Type A pin 1)

B

Data –ve (USB Type A pin 2)

C

Data +ve (USB Type A pin 3)

D

0 V (USB Type A pin 4)

E

Shielding

F

Switched power +10 to +35 V

NETWORK connector

This is a standard 6-pin mil-spec plug (02E-10-06P).

Pin

Function

B

Data transmit +ve (RJ45 pin 1)

C

Data receive +ve (RJ45 pin 3)

E

Data receive –ve (RJ45 pin 6)

F

Data transmit –ve (RJ45 pin 2)

9.2 Integrated DCM units

DM/AM module output

This is a standard 32-pin mil-spec plug (02E-18-32P).

Pin

Function

D

Power +10 to +30 V

E

Power 0 V

J

Data transmit +ve

K

Data transmit –ve

L

Data receive +ve

M

Data receive –ve

R

AM console receive

S

AM console transmit

T

AM console ground

U

Tamper switch 5

V

GPS 1pps signal

W

GPS RS232 transmit

X

GPS RS232 receive

Y

GPS RS232 ground

Z

DM console transmit

a

DM console receive

b

DM console ground

c

Tamper switch 0

d

Tamper switch 1

e

Data ground

f

Tamper switch ground

g

Tamper switch 2

h

Tamper switch 3

j

Tamper switch 4

PreviousNext

1. Introduction 2. Installing the CMG-DCM 3. Usage 4. Tools 5. Data transfer 6. Configuration 7. Configuring digitizers 8. Inside the DCM 9. Connector pinouts 10. Sensor and digitizer types 11. Revision history