16/24-Port Gigabit
Desktop Switch
Manual
DN-80112 DN-80113
Introduction
The DN-80112/DN-80113 is an Unmanaged Gigabit Ethernet rack-mount
switch that provides wire connection. It provides Gigabit Ethernet switching
function, which allows high-performance and backward compatible to all
speed connections, 10Mbps, 100Mbps and 1000Mbps Ethernet networks. The
Ethernet Switch delivers all the advantages of a switching hub in a standard
1U size of metal enclosure and it is ideal for any enterprise office or data
server room. There are special rubber feet and rack-mount kit accessory
included for user’s convenience.
This switch provides 16 or 24 auto-sensing 10/100/1000Mbps Ethernet RJ-45
ports which automatically detect the speed of the devices that you plug into
them. This switching function allows 10Mbps, 100Mbps, and 1000Mbps
Full/Half-duplex devices to communicate on the same network without having
to replace any infrastructure. This flexible feature allows your network a timely,
economical migration to 1000Mbps Gigabit Ethernet.
Key Features
Conforms to IEEE802.3, 802.3u, 802.3x, 802.3ab
Automatic MDI/MDIX crossover for all ports
N-Way Auto-negotiation for 10/100/1000Mbps transmissions
1U, 19” Rack mountable
Store-and-Forward switching architecture
Auto-detection of full/half-duplex mode in all ports
Plug-and-Play configuration auto address learning
LED indicators for Power, Link/activity
Package Contents
Ethernet Switch
AC power cord
User’s manual
Four (4) adhesive-backed rubber feet
Two (2) rack-mount pallet and Six (6) screws
IMPORTANT: If any piece is missing or damaged, please contact your local
dealer or reseller for service.
Product Specifications
DN-80112 (16-Port 10/100/1000Base-TX Gigabit Ethernet Switch)
Ports: 16-Port 10/100/1000Base-TX
MAC Address: 8K Mac address table
Jumbo Frame: 9KB
LED Indicator: Per port: Link/Activity
Per unit: Power
Dimension: 440mm x 200mm x 44mm (W x D x H)
Operating Temp: 0°C to 40°C
Operating Humidity: 10% to 90% (Non-condensing)
Power Consumption: 15 Watt @ AC 240V/60Hz (Maximum)
EMI: CE Class A
DN-80113 (24-Port 10/100/1000Base-TX Gigabit Ethernet Switch)
Ports: 24-Port 10/100/1000Base-TX
MAC Address: 8K Mac address table
Jumbo Frame: 9KB
LED Indicator: Per port: Link/Activity
Per unit: Power
Dimension: 440mm x 200mm x 44mm (W x D x H)
Operating Temp: 0°C to 40°C
Operating Humidity: 10% to 90% (Non-condensing)
Power Consumption: 20 Watt @ AC 240V/60Hz (Maximum)
EMI: CE Class A
Hardware Description
The Front Panel
The front panel consists of LED Indications and 16/24 auto-sensing ports.
LED Indicators
Per Device: Power
Per Port: LINK/ACT (Link/Activity)
Figure 2. Front panel view of LED indications
LED Status Color Description
Power On Green The switch is supplied with suitable power.
LINK/ACT
On Green The port is connecting.
Blinks - The port is receiving or transmitting data
Off - The port is not linked successfully with the device.
RJ-45 Ports (Auto MDI/MDIX)
Auto-sensing ports of 10/100/1000 N-way for 10/100/1000-TX connections. In
general, MDI means connecting to another Hub or Switch while MDIX means
connecting to a workstation or PC. Therefore, Auto MDI/MDIX means that you
can connect to another Switch or workstation without changing pin-to-pin or
crossover cabling.
The Real Panel
The rear panel view of the Ethernet switch consists of an AC power
connector.
Figure 3. Rear panel view of the switch
AC Power Connector
Plug the female connector into the switch and male connector into a power
outlet. Supports input voltages 100-240VAC, 50/60Hz.
Troubleshooting
The Switch can be easily monitored through panel indicators to assist in
identifying problems. This section describes common problems you may
encounter and possible solutions.
Power
If the power indicator does not light when the power cord is plugged in, you
may have a problem with the power outlet or cord. However, if the power LED
goes off after running for a while, check for loose power connections, power
losses or surges at the power outlet. Turn off power, wait 30 seconds and turn
power on again. If problem is still not resolved call for dealer’s assistance
Diagnosing LED Indicators
If link indicator does not light after making a connection, check whether
network interface (e.g., a network adapter card on the attached device),
network cable, or switch port is defective. Be sure the cable is plugged into
both the switch and corresponding device. Verify the proper cable type is used
and its length does not exceed specified limits.
Cabling
Verify that the cabling type is correct. Make sure all cable connectors are
securely seated in the required ports. Use only standard Unshielded
Twisted-Pair (UTP), Category 3, 4, 5, or 5e cables. Use only Category 5 or 5e
when connecting with Fast Ethernet. Make certain the maximum distance
between the Switch and what it’s connected to is 100 meters or less.
NOTE: Do not plug a standard telephone cord into an RJ-45 port. This may
damage the switch
(
Rev2-0)
Hereby Assmann Electronic GmbH, declares that the Declaration of Conformity is part of the
shipping content. If the Declaration of Conformity is missing, you can request it by post
under the below mentioned manufacturer address.
www.assmann.com
Assmann Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid
Germany
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