Front Panel LEDs
S1900-16T
Link/Act: Flash=Activity Port 15-16: Uplink (VLAN on)
1
2
3
LEDs
Status
Solid on
RJ45
Blinking
Off
Back Panel
VLAN
ON
OFF
VLAN
Grounding Point
LEDs
Status
Solid on
PWR
Off
On
VLAN
Off
NOTE:
The switch supports auto MDI/MDIX. You can use either a straight through cable
or a crossover cable to connect the switch to the Ethernet devices.
2
4
5
6
7
8
Description
The port is connected to a device, but no data is
being transmitted over the port.
The port is connected to a device and data is
being transmitted over the port.
The port is not connected or is not connected
properly.
Description
The switch is powered on properly.
The switch is not powered on, or not powered on properly.
In this mode, ports 1 to 14 of the switch cannot
communicate with each other, but can communicate with
ports 15 and 16. You can enable this mode to isolate DHCP
broadcast and reduce broadcast storms.
Default mode of the switch. In this mode, all ports can
communicate with each other.
9
10
11
12
RJ45
13
14
15
16
Power Supply
Power
PWR