DGS-1250 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
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Feature Description
MAC Address Table DGS-1250-28X: 16K
DGS-1250-28XMP: 16K
DGS-1250-52X: 32K
DGS-1250-52XMP: 32K
Supports 256 Static MAC addresses
LED Indicators
Location LED Color Status Description
Per Device Power
Green Light on (Solid) Power on
Green Light blinking Performing System Self-test
Off Light off Power off
Console
Green Light on (Solid) RJ45 console port is active
Off Light off Console off
Fan Error
Red Light on (Solid) Fan fail
Off Light off Operating normally
PWR Max.
(DGS-1250-28XMP
and DGS-1250-
52XMP Only)
Red Light on (Solid) When the power supplied to attached
PDs exceeds the maximum PoE budget.
Light blinking When the power supplied to attached
PDs approaches the maximum PoE
budget (within 7 Watts) and enters the
Guardband mode.
Off Light off
When no power is supplied to attached
PDs or when no PDs are attached.
Port LED Mode
Indicator
(DGS-1250-28XMP
and DGS-1250-
52XMP Only)
An LED Mode Select Button to switch two modes in turn for all
10/100/1000Mbps ports on DGS-1250-28XMP/52XMP:
• Link/Act/Speed Mode
• PoE Mode
Green Light on (Solid) An LED Mode Select Button to switch
Link/Act/Speed Mode
Light on (Solid) An LED Mode Select Button to switch
PoE Mode
LED Per
10/100/1000
Mbps Port
Link/Act/Speed
Mode
Green Light on (Solid)
When there is a connection (or link) to a
1000 Mbps Ethernet device on any of the
ports
Light blinking When there is reception or transmission
of data occurring at 1000Mbps
Amber Light on (Solid) When there is a connection (or link) to a
10/100Mbps Ethernet device on any of
the ports
Light blinking When there is reception or transmission
of data occurring at 10/100Mbps
Off Light off Link down or no link
PoE Mode
Green Light on (Solid) Power feeding.
Amber Light on (Solid) Error Condition.
Off Light off No Power feeding.
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