On connector printed pin 1 to 24 are cathodes and printed 26 to 49 are anodes.
4.3 : Wiring of 96 tray LEDs
, 4 nos. 50 pin centronics F connector is provided at
the back panel of tester. 50 pin centronics M connector marked “TLEDs” is used.
Each LED requires 2 wires which are harnessed together. One wire marked with
“+5VDC” is connected to ANODE of LED and other marked with tray number is
connected to CATHODE of LED of corresponding tray on fixture.
On connector printed pin 1 to 24 are cathodes and printed 26 to 49 are anodes.
4.4 : Wiring For Pull Test points :
1 no. 37 pin D F connector marked pull test
points at the back side.
Pin1 is for 900 gms, pin 20 for 1200gms of coupler 1.
2,21 for coupler 2 and so on, for 9 such couplers.
