NEC Univerge SV8500 Operation And Maintenance Manual page 150

STEP 4 Return TSW MBR key downward on the TSW that was placed in ACT.
ACT STBY
TSW ACT TSW ACT
MUX ACT
MUX ACT
PLO ACT PLO ACT
MB
MB
TSW MBR
TSW MBR
PLO MBR
PLO MBR
TSW MBR to Upward
slot13 slot14
If the MBR key remains in the UP position, the TSW card stays in make-busy state. Be sure to return the
Note:
key to the DOWN position, except in special circumstances.
PLO can be switched over by PLO MBR key. For this reason, TSW changeover does not affect that of
Note:
PLO.
Be sure to use "TSW MBR" key on the TSW-ACT TSW card. If "TSW MB" key is operated
WARNING
before operating "TSW MBR" key on the TSW-ACT TSW card, the card will be reset. During
this initialization, all channels on the card will be placed in MB status, disconnecting all active
STEP 5 Make test calls to see that the TSW card is operating normally.
STEP 6 Analyze system messages.
• When TSW ACT/STBY is changed, system Messages 7-E, 7-F, and 1-T will be issued.
CHAPTER 2
Make sure that
TSW ACT lights green
on the mate TSW.
TSW ACT TSW ACT
MUX ACT
MUX ACT
PLO ACT PLO ACT
MB
MB
TSW MBR
TSW MBR
PLO MBR
PLO MBR
TSW MBR to Downward
slot13 slot14
– 103 –
Operations of SV8500 Server
STBY
TSW ACT
MUX ACT
PLO ACT
MB
Return the key.
TSW MBR
PLO MBR
slot13
ACT
TSW ACT
MUX ACT
PLO ACT
MB
TSW MBR
PLO MBR
slot14