Input Adaptor Cable
for 12-Channel
Refraction Cables
(Stations 25-48)
For use with: standard 12-
channel
refraction
cables
w i t h C a n n o n NK-27-21C
connectors,
wired
with
nearest takeout to pins 1 & 2.
Note: These adapters are
used
in pairs. This is the one
which connects the rollalong
switch to stations 25-36 and
37-48. This adaptor is avail-
able from Geostuff as Part
Number 920127. The strain
reliefs should be marked
“GEOPHONES 25-36” and
“GEOPHONES 37-48”.
l - l
Cannon
2 - 2 6
Geophone 25
3 - - - 2
5 - - - 3
7 - 4
9 - - - 5
1 1 - 6
1 2 - 3 1
1 4 - 3 2
1 7 - g
1 9 - - 1 0
2 1 - 1 1
22- 3 6
2 3 - - 1 2
NK-27-22C
Geophones
25-36
Geostuff
Part Number
920127
- 1 3
2 - 3 6
Cannon
3 - - 1 4
7 - 1 6
1 7
1 2 4 3
1 7 - 2 1
2 1 - 2 3
Amphenol
57-30500
D-ribbon connector
NK-27-22C
Geophones
37-48
NC
25
Geophone 48
NC 50
Geostuff
RS-96/24 & RS-120/48
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