D-Link xStack DGS-3420-28PC, Hardware Installation Manual

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xStack® DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide
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LED Indicators
Location LED Indicative Color Status Description
Per Device Power Green Solid Light Power on
Light off Power off
Console Green Solid Light Console on
Light off Console off
RPS Green Blinking When switch detects that RPS is
connected
Solid Light RPS in using
Light off RPS off
SD Green Solid Light Plugged in
Blinking Busy Reading and Writing
Light off No link
Red Solid Light Read/Write Failed
MGMT Green Solid Light Console on
Blinking Secure connection established
Light off Console off
Stacking ID Green Capable 1 – 12, H,
h, G The box ID is assigned either by user
(static mode) or by the system
(automatic mode). When the box
become a primary master, the 7
segment works as bi-function. That is
box ID and “H” indicate as primary
Master and the display will be shown
by turn. That is boxID -> H -> boxID -
> H
1-12: To indicate the stacking of the
switch
H: When device was assigned as the
stacking Master
h: When device was selected to be
the Backup Master
G: When Safeguard Engine entering
the exhausted mode.
Port LED Mode
Indicator A LED Mode Select Button to switch two modes in turn for all
10/100/1000Mbps ports on DGS-3420-28PC/52P:
- Link/Act/Speed Mode
- PoE Mode
Green Solid Light A LED Mode Select Button to switch
Link/Act/Speed Mode
Solid Light A LED Mode Select Button to switch
PoE Mode
LED Per
10/100/1000 Mbps
Port Link/Act/Speed
Mode Green Solid Light When there is a secure connection (or
link) to 1000Mbps Ethernet device at
any of the ports.
Blinking When there is reception or
transmission of data occurring at
1000Mbps.
Orange Solid Light When there is a secure connection (or