Smart Nets; Schematic View Of Gsn Connectors - Geodesic Sensor Net Technical Manual

Smart Nets

During manufacturing, factory settings are made at EGI using jumpers on each GSN,
such that each Net has a coded channel count and type. EGI's EEG data-acquisition
software, Net Station, reads this identity via its interface to the amplifier and can
automatically choose a sensor layout that matches the connected Net. EGI calls this
technology "Smart Nets." For details of the Smart Net coding, see Appendix C, "GSN
Pinouts," and Figure 8-6.
Note: The 32-channel HCGSNs of the GES 120 and 140 do not use "Smart Net"
technology.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
Note: Smart
Net pins are
located in
column 19
64 channel
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
Note: Smart Net
pins are located
in column 32
Geodesic Sensor Net Technical Manual
Geodesic Sensor Net Smart Net Coding
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
GND A
Note: Smart
AMP0 B
Net pins are
AMP1
C
located in
AMP2
D
????
E
column 19
GSN0
F
GSN1
G
GSN2
H
GSN3
J
????
K
256 channel
Figure 8-6. Schematic view of GSN connectors
S-MAN-200-GSNR-001 • January 31, 2007
8: Connectivities
GND A
AMP0 B
AMP1
C
AMP2
D
????
E
GSN0
F
GSN1
G
GSN2
H
GSN3
J
????
K
128 channel
GND
A
AMP0
B
AMP1
C
AMP2
D
????
E
GSN0
F
GSN1
G
GSN2
H
GSN3
J
????
K
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