Electrode Socket Wiring

I should first note that I am a novice, and know next to nothing about
wiring. I purchased all of my materials from Olimex, and scrounged the
cabling and miscellany from various sources. The electrodes (active) that I
purchased have 3.5 mm plugs. All of the instructions on the OpenEEG website
refer to using mini-XLR sockets, but I am assuming that I should ignore
that and use 3.5 mm sockets, rather than some sort of 3.5 mm-to-mini-XLR
converter. My confusion is mostly regarding wiring the sockets: I
understand that there are two electrodes per channel. Each channel has 3
pins, one of which is labeled positive, another negative. A 3.5 mm socket
connects to 3 pins, so, from my thinking, there are two possibilities:
1) Each socket is only wired to one pin. If this is the case, which
connector is that pin wired to?
2) The wiring is split so that both sockets are connected to all three
pins. I still do not understand which pins are wired to which connectors in
this scenario.
This confusion also carries over to the DRL, in terms of pins and
connectors.
I greatly appreciate anyone who can shed some light on this matter.

Regards,
Sam

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