Input Adaptor Cable for
12-Channel Refraction
Cables (Stations I-24)
For use with: standard 12-channel
refraction cables with Cannon NK-27-
21C connectors, wired with nearest
takeout to pins 1 & 2.
Geophone
1
2 4 - - 2 6
2 1 - 2
22 -27
Note: These adapters are used in
Cannon
1 7 - 4
pairs. This is the one which connects
NK-27-22C
the rollalong switch to stations 1-12
Geophones
5
and 13-24. This adaptor is available
1-12 in
from Geostuff as Part Number 920126.
The strain reliefs should be marked
“GEOPHONES
l-12”
and
“GEOPHONES 13-24”.
1 1 - 7
1 2 - 3 2
7 - 9
5---10
4---36
1 - 1 2
2 - 3 7
Geostuff Part Number
90126
Amphenol
57-30500
D-ribbon connector
2 1 - 1 4
Cannon
1 7 - 1 6
NK-27-22C
Geophones
13-24 in
1 1 - 1 9
7 - 2 1
5---22
1 - 2 4
2
4
9
Geophone 24
NC 25
NC
Page 10
RS-%I24 8c RS-120/48
Geosluff
