EFJohnson 3000 SERIES Switch User Manual


 
NETWORK INTERFACE MODULE (NetNIM)
6-3
6.4.1 DETECTOR SETTING
For this alignment use a DC voltmeter with a
0.001V resolution.
1. Measure the voltage between TP34 and TP36.
2. Adjust R93 for 0V
±0.005V.
3. Check U31, pins 1 and 2 for < 0.8V.
4. Measure the voltage between TP33 and TP35.
5. Adjust R75 for 0V
±0.005V.
6. Check U31, pin 13 and 14 for < 0.8V.
7. Check U37, pin 6 for, 0.8V.
Figure 6-2 NetNIM CARD EDGE LAYOUT
MASTER/SLAVE (YEL)
CLOCK A/B (YEL)
COMPANION CLOCK (GRN)
COMM TO SMM (YEL)
ALARM (RED)
POWER (GRN)
INJECTOR/
EXTRACTOR
INJECTOR/
EXTRACTOR