How To Control Switching Block - NEC Univerge SV8500 Operation And Maintenance Manual

8.1.4

How to Control Switching Block

This section explains how to control switching block, which consists of the follow-
ing cards:
• TSW (1-IMG: PH-SW10-A, etc. 4-IMG: PH-SW12)
• MUX (PH-PC36)
• DLKC (PH-PC20 for 4-IMG only)
• PLO (PH-CK16-D, etc for 4-IMG only)
Perform the required system changeover by using the CMOD command or by operating the related key on
the GT/PLO card. Refer to the tables below.
TYPE
CMOD
Use CMOD command (See
(recommended)
- Set TSW MBR key upward on the TSW that is placed in ACT.
Key Operation
- Return TSW MBR key downward on the TSW.
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
TYPE
CMOD
Use CMOD command (See
(recommended)
- Set MBR key upward on the ACT GT.
Key Operations
- Return MBR key downward on the GT.
Be sure to use "MBR" key on the ACT GT card. If "MB" key is operated before operating
WARNING
"MBR" key on the ACT GT card, the card will be reset. During this initialization, all channels
that are related to this card will be placed in MB status, disconnecting all active calls.
Changeover of Switching Block (1-IMG)
OPERATIONS
CHAPTER 7).
Changeover of Switching Block (4-IMG)
OPERATIONS
CHAPTER 7).
CHAPTER 2
- TSW ACT lamp goes off on the TSW card that
was originally placed in ACT mode.
- TSW ACT lamp lights green on the TSW card that
was originally placed in STBY mode.
-TSW ACT lamp lights red and MUX ACT lamp
goes off on the TSW card.
-TSW ACT lamp goes off.
- TSW ACT lamp lights green on the TSW card that
was originally placed in STBY mode.
- TSW ACT lamp goes off on the TSW card that was originally placed
in ACT mode. OPE lamp also goes off on DLKC card that was original-
ly placed in ACT mode.
- TSW ACT lamp lights green on the TSW card that was originally
placed in STBY mode. OPE lamp also lights green on DLKC card that
was originally placed in STBY mode.
- TSW ACT lamp goes off on the TSW card that was originally placed
in ACT mode. OPE lamp also goes off on DLKC card that was original-
ly placed in ACT mode.
- TSW ACT lamp lights green on the TSW card that was originally
placed in STBY mode. OPE lamp also lights green on DLKC card that
was originally placed in STBY mode.
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Operations of SV8500 Server
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
REMARKS
REMARKS