Device Hardware Interfaces; Rj-45 Ports; Sfp+ Ports - NETGEAR GS752TXS Hardware Installation Manual

GS752TXS Smart Switch Hardware Installation Guide

Device Hardware Interfaces

RJ-45 Ports

RJ-45 ports are autosensing ports. When inserting a cable into an RJ-45 port, the switch
automatically ascertains the maximum speed (10, 100, or 1000 Mbps) and duplex mode
(half-duplex or full-duplex) of the attached device. All ports support only unshielded
twisted-pair (UTP) cable terminated with an 8-pin RJ-45 plug.
To simplify the procedure for attaching devices, all RJ-45 ports support Auto Uplink. This
technology allows attaching devices to the RJ-45 ports with either straight-through or
crossover cables. When inserting a cable into the switch's RJ-45 port, the switch
automatically:
• Senses whether the cable is a straight-through or crossover cable.
• Determines whether the link to the attached device requires a "normal" connection (such
as when connecting the port to a PC) or an "uplink" connection (such as when connecting
the port to a router, switch, or hub).
• Configures the RJ-45 port to enable communications with the attached device, without
requiring user intervention. In this way, the Auto Uplink technology compensates for
setting uplink connections, while eliminating concern about whether to use crossover or
straight-through cables when attaching devices.

SFP+ Ports

To enable you to have fiber connections on your network, there are four SFP+ ports (49
through 52) that accommodate standard 1000M and 10G SFP+ transceiver modules, which
are sold separately.
The SFP+ ports can alternatively be used to connect the switch to a stack. Up to two ports
(ports 51 and 52) can be used at a time as stacking ports.
Chapter 2. Physical Description | 15