NEC Univerge SV8100 Features And Specifications Manual page 1539

UNIVERGE SV8100
The IP address for the GSWU will be assigned in program Program 10-55 on the SV8100. It contains
settings for IP Address, Subnet Mask and a gateway IP address.
Stacking Formation
When a GSWU determines that it is an "Add-on" by the configuration setting in Program 10-55-03, the
Add-on GSWU will send a broadcast message to all the GSWU units in the Chassis, until it receives an
acknowledge message from a Main board.
The Main board receiving this broadcast message will acknowledge by sending port identification
information to the Add-on board and a board type (i.e. Add-on 1, Add-on 2, etc.).
The board type will identify the Add-on board to system (Main GSWU) of its port assignments. A board
type of "Add-on 1" will be Ports 9~16. A board type of "Add-on 2" will be Ports 17~24. A GSWU that has
been designated as the "Main" board will always be assigned Ports 1~8.
Stacking Port Number Determination
When a Main board is initialized, it assigns the first eight ports as port 1 through 8. When subsequent
add-on boards' broadcast messages are received, the CCPU, by manual means or any other means,
will assign a Board Type to the Add-on card. This will automatically assign its port numbers.

On power up, all GSWU boards are assigned as Main boards, or generic Add-on boards (by no IP address or IP
address of 0). In order to include the Add-on boards as part of the managed stack and assign port numbers, the CCPU
will send a "Board Type" message to the Add-on card. This will identify the port assignment of the Add-on card to the
Main card for stacking.
The grouping of the three GSWU units to form a 20-port switch is restricted to reside in a single system
location. Stacking is not supported for those GSWU units in remote locations supporting the NetLink
feature.
Conditions
When Auto Negotiation is denied and port speed is set to 100Mbps, the yellow LED

(located on the RJ45 connector) is ON. When port speed is set to 10Mbps, this LED is
OFF.
The number of supported CD-ETIA blades are to be determined by the power consumption

chart. Reference Hardware manual for more details.
When linking multiple CD-ETIA cards each card must be statically assigned an IP address

and each blade must be linked.
For SV8100 systems with Version 4000 or higher system software and has been migrated

from a UX5000,
application blades supported in current system chassis.
SV8100 PoE Gigabit Switch
Table 2-90 Migration Supported Blades on page 2-1510
Issue 12.0
defines the
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