GENERAL DESCRIPTION
N-TM 420 4CH POWER SUPPLY provides output voltage (+12v,-12v) to the pre-amplifiers of made by Technoland Corporation and so on. It has 4 independent channels and output of +24v and -24v that is why it can provide to another type of pre-amplifer,too.

Pin arrangement of the use D-sub connector as follows.
PIN No. FUNCTION
1 GND
2 GND
3 NC
4 +12V
5 NC
6 -24V
7 +24V
8 NC
9 -12V