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x510 Series Installation Guide for Stand-alone Switches

Stacking SFP+ Slots

Two of the four SFP+ slots on the front panel of the switch can be used

with special stacking transceivers to create a VCStack of up to four

switches. The switches of a VCStack act as a single virtual unit. They

synchronize their actions so that switching operations, like spanning tree

protocols, virtual LANs, and static port trunks, span across all the units and

ports. The two main advantages of stacks are:

 You can manage multiple units simultaneously, which can simplify

network management.

 You have more flexibility in how you configure some of the

features. For instance, a static port trunk on a stand-alone switch

has to consist of ports from the same switch. In contrast, a static

trunk on a stack may consist of ports from different switches in the

same stack.

The slots for the stacking transceivers are SFP+ slots 27 and 28 on the 28-

port switches and slots 51 and 52 on the 52-port switches.

The stacking transceivers are listed in Table 5.

Note

This guide explains how to install the devices as stand-alone units.

For instructions on how to install the switches in a stack, refer to the

x510 Series Installation Guide for Virtual Chassis Stacking.

Table 5. Stacking Transceivers

Transceiver Model Cable Type Distance

AT-StackXS/1.0 Twisted pair 1 meter

AT-StackOP/0.3 Fiber optic 300 meters

AT-StackOP/9.0 Fiber optic 9 kilometers

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 89 90

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Allied Telesis AT-x510-52GTX Installationsanleitung Seite 31