Supermicro AOC-XEH-IN2 Uživatelský manuál stáhnout pdf (Strana 152)

100

101

Superblade Network Modules User’s Manual

7-54

CX4 Cable Length

Stacking is supported with CX-4 cables only. The CX-4 cable used for stacking should

be no more than 3-meters in length, because stacking internally runs at 12-Gbps and

therefore requires a more robust signal than longer cable lengths might provide reliably.

The industry standard stacking cable length is 3-meters.

When used for 10G Ethernet uplinks, the CX-4 ports can be from 1-meter to 12-meters

in length; the maximum CX-4 cable length supported on Supermicro switches is

12-meters.

It is acceptable to use a 1-meter stacking cable for port 1 and a 12-meter uplink cable for

port 2. You will only need to configure the long cable preference for port 2. Do this by

selecting the Port Number in the CX4 C

ABLE LENGTH screen (Figure 7-46) and then

selecting the "long" option.

This configuration is done on an individual port basis. Thus, you can use "short" for one

port and "long" for the other port. Alternatively you might use both "short" or, if neither

are for stacking, both can be "long" cables.

NOTE: For stacking ports, you do not need to configure CX4 cable length. It is

fixed as "short" for stacking ports.

Figure 7-46. Configuring CX4 Cable Length

1 2 ... 147 148 149 150 151 152 153 154 155 156 157 ... 391 392

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