Guralp Systems CMG-DCM - Manual (Page 128)

CMG-DCM Data Communications Module
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)
128 Issue F