NEC UNIVERGE SV9300 Networking Manual page 322

Maintenance Conditions
• You can connect PCPro to Remote Unit via RS-232C or LAN.
• Do not set and change the system data at Remote Unit, except setting the Unit number for Remote
Unit by CM0B Y=000>90. If the system data is set and changed at Remote Unit, normal operation
is not guaranteed. In addition, the system data copy from Main Unit overwrites the system data in
Remote Unit once a day.
• SNMP is not available at Remote Unit.
• System Upgrade is available via RS-232C at each unit.
• Remote Unit does not have DHCP server and client function.
• The MJ/MN alarm indications are not available at Remote Unit.
If a fault occurs at Remote Unit, the fault is notified to the Main Unit and MJ/MN alarm is indicated
at the Main Unit.
• On-line expansion for LC/DLC/COT blades is supported and it enables the tone/path connection
even if the system data copy is not activated to the Remote Unit. After completing all expansions for
LC/DLC/COT blades, be sure to execute the system data copy to the Remote Unit (CMEC Y=8).
Note that the expanded data will not be added if the Remote Unit starts survival mode operation be-
fore the system data copy.
Conditions for Link Down Notice
• Link Down Notice is available only for Multiline Terminal and IP Station accommodated in SV9300.
This is not available for a single line telephone and Attendant Console.
• For message display, Multiline Terminal with 24-digit or more LCD is recommended. 16-digit LCD
may not display all messages properly.
• Notification message can be displayed regardless of idle or busy state of Multiline Terminal, writing
the message over the present display. After six seconds, the display returns to the time display auto-
matically.
• The system detects a Link Down on the condition that UDP connection between Main Unit and
Remote Unit is interrupted. The Link Down is notified to the Multiline Terminal after a lapse of the
time set by CM0B Y=1XX>82.
Chapter 3 REMOTE UNIT OVER IP FEATURES
3-10
SYSTEM CONDITIONS
NWA-088654-001 Rev.1.0
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