2N NetStar Hardware manual - Manual (Page 29)

29
NT without power supply
Connect pins 1–2, 3–4, 5–6, 7–8 and do not connect the power supply pins
TE
Connect pins 1–3, 2–4, 5–7, 6–8 and do not connect the power supply pins
Attention:
on the positions with the HW addresses 5, 9 and 13 the ports 0 and 1
always have the NT configuration.