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NEC FD-2240A Operation page 19

6.3mb optical line terminating multiplexer

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NECA 365-407-301
CH&~GE-7
G.
P\.JR Unit
...--~n ~...........-n
31
PWR
ON
0
OFF
~I
fll
WI
~----u------~1
1
u
VOLTAGE
MONITOR
JACK
PWR ON,
green
LED;
Indicates normal power supply when lit.
ON/OFF, two position switch (NFB):
Po"AJer ts
supplied when ON.
Voltage Monitor Jack (+50/-90):
To check +5V /-9V output voltage.
t
Figure 3-8 PWR Unit (X0319A/B) for DC Control and Indicator (Sheet 1 of 2)
t
Page 16

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