Guralp Systems CMG-CD24R8 User Manual
Page 18

CD24-R8
5.2.3 DATA
This is a standard DE9F (TIA-574)
sub-miniature (D-sub) socket, conforming to
DIN 41652 and MIL-DTL-24308. They are
very widely available, as are suitable mating
connectors.
Pin Function
1
not connected
2
RS232 transmitted data (TxD)
3
RS232 received data (RxD)
4
not connected
5
Ground
6
not connected
7
not connected
8
CTS (not required)
9
RTS (not required)
Wiring details for the compatible plug,
DE9M, as seen from the cable end (i.e.
when assembling).
5.2.4 USB
The USB connectors are standard USB type B
sockets with conventional wiring. Suitable
mating connectors are widely available.
USB connections are very sensitive to
wiring details so it is recommended that
ready-made cables are used where
possible.
18
Issue B