VOLKTEK NXF-742 User manual

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Quick Installation Guide
NXF-742
1. Overview
The NXF-742 Converter is used to connect devices with
10/100Base-TX cable to fiber-based Ethernet. The NXF-
742 is enhanced with Link Fault Signaling, Loop-back
Testing and automatic MDI/MDI-X detection.
2. Package Checklist
Before installing the NXF-742, verify that the package
contains the following items:
1 x NXF-742 Converter
Power adapter (Check for area type)
Quick Installation Guide
3. Hardware Installation Procedure
STEP 1: Remove from packaging and connect the 12V
DC adapter to the power input on rear panel.
STEP 2: Connect the Ethernet (RJ-45) port to the
networking device. See the LNK/ACT LED to
conrm if the connection is established.
STEP 3: Connect the ber cable to the ber port.
STEP 4: See DIP switches on rear panel to enable/
disable the required features per application.
4. DIP Switches
DIP 1 Enables / disables auto-negotiation (RJ-45)
DIP 2 Copper port duplex mode: full or half-duplex
DIP 3 Copper port data bit rate: 10Mbps or 100Mbps
DIP 4 Fiber port duplex mode: full duplex or half
Converter with SC and RJ-45 Connectors
Converter with ST and RJ-45 Connectors
Front Panel View
Rear Panel View with DIP Switches
DIP 5 Enables / disables Link Fault Signaling (LFS)
DIP 6 Enables / disables Remote Loop Back (RLB)
DIP 7 Reserve (RSV)
5. Location
The NXF-742 can be placed on a
desktop or horizontal surface,
or it can be wall-mounted.
6. About RJ45 Cables
When connecting your network devices, use at least
standard Category 3 eight-way cables for 10Base-T
congurations and Category 5 cable for 100Base-TX.
Note: Automatic MDI/MDI-X selection on RJ-45 port
Please use the above table to determine the correct
cable for your serial devices.
Fiber Port LED Indicators Copper Port
100
100 10/100
LNK/ACT
FDX/COL
LFS
TX RX
12V DC
DIP Key
1 NWay
2 TX DPX
3 TX SPD
4 FX DPX
5 LFS
6 RLB
7 RSV
123456 7
1234567
ON
HD
10
HD
ON
ON
ON
OFF
FD
100
FD
OFF
OFF
OFF
PWR
Wall-mounted

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6400-000108
7. NWay DIP Switch Setting
Use the NWay DIP switch to activate NWay operations.
Factory NWay DIP switch default is set to ON position.
Check that the networking device to be connected to
the Converter has NWay support.
If YES: Check that the NWay DIP switch is set to the
ON position. The Converter will automatically set the
optimum speed and duplex mode on the copper
segment. Users can skip the settings for DIP switches 2
and 3, when NWay is activated.
If NO: Set the NWay DIP switch to the OFF position.
Then Use DIP switch 2 to manually select between half
(HD) and full duplex (FD) modes. Use DIP switch 3 to
manually select between 10Mbps or 100Mbps speeds.
Set NWay switch to OFF position when connecting to
an auto-sensing device that only supports 10/100Mbps
detection. Some early switch models only support auto-
sensing of speed, and NOT auto detection of speed and
duplex mode (auto-negotiation).
Setting the duplex mode is feasible while the media
converter is “on-line”.
8. Link Fault Signaling (LFS)
The LFS LED will immediately light to indicate when a
cable has been severed or when some other cause of
disruption in service has occurred. The LFS function
monitors both copper and ber segments giving a total
connection status report.
Set LFS to ON for normal operational use. OFF
when installing cables or when testing the network
connection.
9. Loop-back Test
This Converter features DIP switches to activate both
local and remote loopback diagnostic test functions.
Use local loop back to check if the copper segment is
connected properly, and use remote loop back to check
if the ber segment is connected properly.
Dip Switch 6 ON: enables remote loop-back function
OFF: disables remote loop-back function
Conduct either the local or remote test, not both at the
same time.
10. Environmental limits
Operating Temperature 0~50℃
Operating Humidity 10~95%RH (non condensing)
11. LED Indicators
This Converter has LED indicators located at the front
of the device. These have been designed to give easy
at-a-glance network status. Please see below for an
interpretation of their functions:
Unit LEDs
LED Condition Status
PWR On (Green) Converter is
receiving power
O Power o or failure
LFS On (Red)
Disruption of
connection in
copper/ber
segment
100
On (Green) Port operating at
100Mbps
O Port operating at
10Mbps
LNK/ACT
On (Green)
Illuminated when
connectors are
attached
Blinking (Green) Trac passing
through port
O No valid link
established
FDX/COL
On (Yellow) Port is operating at
full duplex
Blinking (Yellow) Indicates collision
O Port is operating at
half duplex
If you have any further questions, please contact
Customer Support:
www.volktek.com
[email protected]
Ph: [phone] / Fax: [phone]