AT&T DEFINITY 7300 series Manual de Instruções Página 241

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
  • Página
    / 438
  • Índice
  • MARCADORES
  • Avaliado. / 5. Com base em avaliações de clientes
Vista de página 240
MAINTENANCE
Table 4-B lists the test points (-5 V, +5 V, -48 V, and GND) for the power supply.
The test points are located on the upper-right corner at the front of the cabinet.
Table 4-C lists the voltages used by the CPs and symptoms
voltages are missing. This information is useful in diagnosing
power distribution problems.
Table 4-B.
Power Supply Test Points
that occur when
power supply or
Test
Voltage
Remarks
Points
Limits
+5
+4.80
+5. 15
The green LED on the power supply
monitors this particular voltage
Ground
4-65
Vista de página 240
1 2 ... 236 237 238 239 240 241 242 243 244 245 246 ... 437 438

Comentários a estes Manuais

Sem comentários