NEC NEAX2000 IVS ND-45492 - Manual (Page 167)

CHAPTER 3 ND-45492 (E)
Page 150
Revision 2.0
4. Operation Test
To confirm the operation on the MP0 card (active MP), do the operation tests by referring NAP-200-010.
5. MP Changeover Test
(1) To confirm whether the system changeover (MP0 to MP1) can be performed, do the following steps.
STEP 1: Set the SW4 on the MP0 card to “UP” position (make busy on).
• The STBY lamp on the MP0 card turns on.
• After about 30 sec., the RUN lamp on the MP1 card flashes at 120 IPM (The MP1 card starts up as the
active MP).
STEP 2: Confirm the operation on the MP1 card (active MP) by making a station to station connection
and an outgoing trunk connection.
(2) To return the active MP from the MP1 card to the MP0 card, do the following steps.
STEP 1: Set the SW4 on the MP1 card to “UP” position (make busy on).
• The STBY lamp on the MP1 card turns on.
• The system is in make busy status temporarily.
STEP 2: Set the SW4 on the MP0 card to “DOWN” position (make busy off).
• The RUN lamp on the MP0 card flashes at 120 IPM (The MP0 card starts up as the active MP).
STEP 3: After confirming the 120 IPM flashing on the MP0 card, set the SW4 on the MP1 card to
“DOWN” position (make busy off).
• The RUN lamp on the MP1 card turns on.
• After about 5 minutes, the RUN lamp flashes (3 sec. ON - 1 sec. OFF).
The system data stored in the MP0 card is copied to the MP1 card.
• After about 30 minutes, the RUN lamp flashing pattern is changed to 1 sec. ON - 1 sec. OFF.
(The MP1 card starts up as the stand-by MP).
NAP 200-009
Sheet 6/6
Installation of Back up MP System