NEC 2400 ipx This ci rcu i t card ha s the followin g s witche s.

CHAPTER 2 NDA-24296
Page 64
Revision 1.0
PA-PW55-A
Power
4. Lamp Indications
Lamp indications for this circuit card are shown in the table below.
5. Switch Settings
This ci rcu i t card ha s the followin g s witche s.
6. E x te rn al Interface
No cable connections are required.
LAMP NAME COLOR STATE
+80V ON Green Remains lit while +80 V input power is being supplied.
–48 V ON Green Remains lit while –48 V input power is being supplied.
RGU ON Green Remains lit while RGU output is in progress.
DC ON Green Remains lit while +5 V, +12 V, a nd –5 V are being output normally.
OPE Green Lights when information exc hange with the CPU is possible.
CPUALM Red Lights when reset of the m icroproc es sor has been activated.
DCALM Red Lights when +5 V, +12 V, or –5 V outputs alarm.
RGUALM Red Lights w h en RGU voltage alarm.
HOWALM Red Lights when howler alarm.
SW ITCH
NAME SWITCH No. SETTING STANDARD
SETTING DESCRIPTION
–48 V SW ON ×–48 V input power is supplied.
OFF –48 V input power is not supplied.
RESET PUSH Hardwa re res et of the circuit card.
—×Normal setting
MB —ON Make-busy of the circuit card.
OFF ×Normal setting
SW4
1ON Frequency of Ringing Signal :25 [Hz]
OFF ×Frequency of Ringing Signal :20 [Hz]
2ON ×Voltage of Ringing Signal: 90 [Vrms]
OFF Voltage of Ringing Signal: 75 [Vrms]