Under-Voltage - Meridian Nortel 1 Option 11C Technical Reference Manual

Page 200 of 544

Under-voltage

Table 61
Nominal and under-voltage limits of NTAK04, NTAK05, NTDK72, and NTDK78 power
supplies
Nominal
+5.1V
8.5V
-150V
+15V
-15V
-48V
Ring (Pk V)
-52V
553-3011-100 Standard 14.00
Power supplies
Under-voltage to the AC/DC or DC power supply will result in partial failure
of the Option 11C system. The faceplate LED labelled "DC" will be turned
off.
Under-voltage, in the case of +5.1V, will result in the complete
shutdown of the system.
Table 61 outlines the nominal and under-voltage limits of the power supply.
Under-voltage limit
+3.8V
+6.4V
-100.0V
+11.2V
-11.2V
-36.0V
70V
-45V
January 2002
WARNING
Power supply status
Complete Shutdown
Partial failure
Partial failure
Partial failure
Partial failure
Partial failure
Partial failure
Partial failure