Allied Telesis XEM-12T Installationshandbuch - Seite 6
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x900-24X Series Switch Expansion Modules
LED
XFP
The following XFP modules are approved for the XEM-1XP expansion module.
Product No.
AT-XPSR
AT-XPLRM
AT-XPLR
AT-XPER40
For the latest list of approved transceiver modules, contact an authorised
distributor or reseller.
6
State
Description
Green
An XFP transceiver is installed and enabled.
No XFP is installed if this light is off.
Amber
An XFP transceiver is installed but not
operating.
Amber flashing The installed XFP transceiver has a
transmission fault.
Media Type
Description
10GBASE-SR
850nm short-haul transmission, 300m with
MMF.
10GBASE-LRM 1310nm short-haul transmission, 300m with
MMF.
10GBASE-LR
1310nm medium-haul transmission, 10km
with SMF.
10GBASE-ER
1550nm long-haul transmission, 40km with
SMF.