Xem2-12Xs Line Card; Transceiver Ports; Figure 7: Xem2-12Xs Line Card - Allied Telesis SwitchBlade x908 GEN2 Installation Manual

XEM2-12XS Line Card

Transceiver Ports

The XEM2-12XS Line Card is shown in Figure 7.
Figure 7. XEM2-12XS Line Card
The card has twelve ports that support the following types of 1Gbps SFP
transceivers, 10Gbps SFP+ transceivers, and 10Gbps direct connect
cables:
 1Gbps SX or LX SFP transceivers
 10Gbps SR or LR fiber optic transceivers
 10Gbps one meter SP10TW1, three meter SP10TW3, and seven
meter SP10TW7 direct connect twinax cables with SFP+
transceiver-style connectors
 1Gbps SPTX transceivers with RJ-45 ports for twisted pair cable
 1Gbps/10Gbps SP10T transceivers with RJ-45 ports for twisted
pair cable
Port guidelines are listed here:

The card does not support 100Mbps transceivers.

The card supports full-duplex mode only.

You can set the port speeds with Auto-Negotiation or manually.
The default is Auto-Negotiation.
x908 GEN2 Installation Guide for Stand-alone Switches
31