Allied-telesis x610 Series Layer 3 Manuel d'utilisateur télécharger pdf (Page 94)

Chapter 4: Cabling the Network Ports

Cabling the 10/100/1000Base-T and Fiber Optic Ports

Observe the following guidelines when connecting a twisted pair or fiber

optic cable to a port on the switch:

 The connector on the cable should fit snugly into the port on the

switch. The tab on the connector should lock the connector into place.

 Because the 10/100/1000Base-T ports on the switch are auto-MDI/

MDI-X, any type of network device can be connected to a port on the

switch using a straight-through twisted pair cable. If you disable

Auto-Negotiation on the port, the port defaults to MDI-X.

 If your network topology contains a loop where two or more network

devices can communicate with each other over more than one network

path, make sure that your switch is properly configured with the

appropriate protocol(s); i.e., STP, ESPR, LACP, etc. Data loops without

these protocols enabled can adversely affect network performance.

 In order for a switch port to successfully Auto-Negotiate its duplex

mode with an end node, the end node should also be using Auto-

Negotiation. Otherwise, a duplex mode mismatch can occur. A switch

port using Auto-Negotiation defaults to half-duplex if it detects that the

end node is not using Auto-Negotiation. This can result in a mismatch

if the end node is operating at a fixed duplex mode of full-duplex.

To avoid this problem, disable Auto-Negotiation on a switch port and

set t

he port

’

s spe

ed and

duplex mode manua

lly if the end node has a

fixed duplex mode of full-duplex.

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Allied-telesis x610 Series Layer 3 Manuel d'utilisateur Page 94