D-Link 3312SR - Switch Spécifications télécharger pdf (Page 19)

DGS-3212SR Stackable Gigabit Layer 2 Switch

DEM-540 IEEE 1394 Stacking Module

Figure 1- 7. DEM-540 IEEE 1394 Stacking module

• Front-panel module

• Connect to four DES-3226S Switches (up to eight additional slave units may be stacked)

• Four transmitting ports and Four receiving port

• Use the connector of IEEE 1394b

• Data rate up to 1000 Mbps

• 8-segment LED display to indicate Switch ID number within the Switch stack

Switch Stacking

The DGS-3212SR can be stacked with a DES-3226S, functioning as the Master of the stack. There are three connection

options available to for stacking.

1. Utilizing a gigabit Ethernet port with either the built-in combination mini-GBIC ports or using the DEM-340T

1000BASE-T stacking module.

2. Using a fiber-optic transceiver cabling with either the built-in combination mini-GBIC ports or using the

DEM-340MG SFP (Mini GBIC) stacking module.

3. Using IEEE 1394 fire wire cabling with the DEM-540 IEEE 1394 Stacking Module.

Each optional stacking module allows up to four DES-3226S Switches to be interconnected in a stack with the

DGS-3212SR for up to twelve gigabit ports that may be used to stack up to 12 slave units to provide up to 576 10/100

Mbps ports and 12 Gigabit ports in a star architecture. For stacking, the DGS-3212SR will be the master switch of a stack

of DES-3226S switches. The entire Switch stack is managed and monitored through the network or alternatively, through

the serial port on the DGS-3212SR.

The IEEE 1394 fire wire stacking ports are marked IN and OUT. The IEEE 1394 compliant cable must be connected from

an IN port on one Switch to an OUT port on the next Switch in the stack.

Restrictions and Cautions for Stacking

The DGS-3212SR may serve as the Master of up to twelve additional Switches. The slave switch units must meet the

following criteria:

• All additional slave Switches must be DES-3226S Switches. The slave unit types can be mixed within a single

stacked group.

• DES-3226S slave Switches must have firmware Release IV or later loaded to operate properly with the

DGS-3212SR Master.

• The DGS-3212SR is automatically started as the Master Switch in a Switch stack.

• It is necessary to enable stacking for each slave Switch in a stacked group before interconnecting them and before

connecting the group to the network. Stacking can be enabled by connecting to each slave through the console

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D-Link 3312SR - Switch Spécifications Page 19