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Copyright © PLANET Technology Corp. 2005.
Contents subject to revision without prior notice.
PLANET is a registered trademark of PLANET Technology Corp. The information in this manual is subject to 
change without notice. All other trademarks belong to 
their respective owners.
Disclaimer
PLANET Technology does not warrant that the hardware 
will work properly in all environments and applications, 
and makes no warranty and representation, either 
implied or expressed, with respect to the quality, performance, merchantability, or tness for a particular 
purpose.
PLANET has made every effort to ensure that this User’s  
Manual is accurate; PLANET disclaims liability for any 
inaccuracies or omissions that may have occurred.
Information in this User’s Manual is subject to change 
without notice and does not represent a commitment on 
the part of PLANET. PLANET assumes no responsibility 
for any inaccuracies that may be contained in this User’s 
Manual. PLANET makes no commitment to update or 
keep current the information in this User s Manual, and 
reserves the right to make improvements to this User’s 
Manual and/or to the products described in this User’s 
Manual, at any time without notice.
If you nd information in this manual that is incorrect, 
misleading, or incomplete, we would appreciate your 
comments and suggestions.
FCC Warning
This equipment has been tested and found to comply 
with the regulations for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are 
designed to provide reasonable protection against 
harmful interference when the equipment is operated in 
a commercial environment. This equipment generates, 
uses, and can radiate radio frequency energy and, if not 

installed and used in accordance with this user’s guide, 
may cause harmful interference to radio communications. Operation of this equipment in a residential area 
is likely to cause harmful interference, in which case the 
user will be required to correct the interference at his 
own expense.
CE Mark Warning
This is a Class B product. In a domestic environment, 
this product may cause radio interference, in which case 
the user may be required to take adequate measures.
Revision
User’s manual for PLANET Gigabit Ethernet Media   
Converter 
For Models: WGT-702, WGT-702S, WGT-702S20, 
         WGT-705A, WGT-706A15, WGT-706B15
Rev 4.0 (March. 2005)
Part No. 2011-AA4120-000

Table of Contents
Chapter 1 Overview  1
About Media Converter  1
About Link Pass Through  1
Chapter 2 Product Features  2
Chapter 3 Model List  3
Chapter 4 Checklist  4
Chapter 5 DIP Switch  5
Chapter 6 Installing the Converter to Chassis  6
Chapter 7 Manage the Media Converter  7
Chapter 8 LED Indicators  8
Chapter 9 Link Through Function  9
Chapter 10 Product Specification  12

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1
Chapter 1
OVERVIEW
Thank you for purchasing the PLANET Gigabit Ethernet Media 
Converter products. The Gigabit Ethernet Media Converter 
introduced here provides one channel media conversion between 
the 1000Base-T and 1000Base-SX/LX,  1000Base-SX/LX through 
SFP Mini-GBIC (WGT-705A only), or the 1000Base-LX WDM (WGT706A15/B15 only).
The Gigabit Ethernet Media converter products can be used as 
a standalone unit or as a slide-in module to the 19” intel-ligent 
media chassis (up to 16 units) for a TP and Fiber combined 
networks at a central wiring closet. Please contact with your sales 
representative for more about the 19” intelli-gent media chassis.
About the Gigabit Ethernet Media Converter
The Gigabit Ethernet Media Converter utilizes a network 
technology specied by IEEE 802.3ab 1000Base-T and IEEE 
802.3z 1000Base-SX/LX standards. The Gigabit Ethernet Media 
converter is used to convert one type media signal to other 
type equivalent that allows two type segments connect easily, 
efciently and inexpensively.
About Link Pass Through function
When LLCF is enabled, the ports do not transmit a link signal 
until they receive a link signal from the opposite port. Link loss is  
"carried forward" to the managed switch or hub that is sending the 
link. LLCF can be used for either the copper or ber ports.
When LLR is enabled, the ber port's transmitter shuts down if 
its receiver fails to detect a valid receive link. If one of the optical 
conductors is bad, the card with LLR enabled will return a no link 
condition to its link partner. LLR is used to detect link problems 
only on the ber port.

Chapter 2
PRODUCT FEATURES
• One-channel media conversion between 1000Base-T 
and 1000Base-SX/LX/LX WDM
• Provide one 1000Base-T and one SFP Mini-GBIC port 
supporting either multi-mode or single-mode (Model: 
WGT-705A)
• Provide one 1000Base-T and 1000Base-LX WDM (Model: 
WGT-706A15/B15)
• Fiber media allows: multi-mode fiber and single-mode 
fiber using SC connector
• Link Pass Through function
• Auto negotiation of duplex mode on TP port
• Auto MDI/MDI-X for TP port
• Full wire-speed forwarding rate
• Front panel status LEDs
• Used as a stand-alone device or with a chassis 
• Hot-swappable when used with a chassis 
• Manageable through Intelligent Chassis System

3
Chapter 3
MODEL LIST
Your Gigabit Ethernet Converter comes with one of the following 
models. 
• WGT-702 1000Base-T to 1000Base-SX (SC)
• WGT-702S 1000Base-T to 1000Base-LX (SC)
• WGT-702S20 1000Base-T to 1000Base-LX(SC)
• WGT-705A Depend on the SFP Mini-GBIC module 
capacity
• WGT-706A15 1000Base-T to 1000Base-LX (WDM)
• WGT-706B15 1000Base-T to 1000Base-LX (WDM)
 NOTE:
Please note WGT-706A15/ 706B15 is de-
signed to work together in pair. It means 
you must connect WGT-706A15 to WGT-
706B15 from them to work normally. If both 
ends are WGT-706A15 or WGT-706B15, they 
can’t work normally and may damage the fi-
ber connectors.
In the following section, WGT-70x represents the models above 
unless specied. 

Chapter 4
CHECKLIST
Your WGT-702 / WGT-702S / WGT-702S20 / WGT-705A / WGT706A15 / WGT-706B15 carton should contain the following 
items:
• The Gigabit Etherne Media Converter
• AC-DC Power Adapter (Output: 7.5VDC, 1.5 A max.)
• This user’s manual
If any item is missing or damaged, please consult the dealer from 
whom you purchased your Gigabit Ethernet Media Converter, the 
WGT-70x.

5
Chapter 5
 DIP SWITCH
There is a DIP switch for the setting on copper and ber port. 
Refer to the table below for more details.
Switch 1
On Fiber is Forced Mode
Off Fiber is Auto-Negotiation
Switch 2
On LLR enable
Off LLR disable
 NOTE:
1. Be sure the opposite end is using the 
same setting (forced or Auto-negotiation). 
And when using two converters at the 
same time, the two converters MUST set 
to forced mode.
2. When using two converters, don t enable 
the both device s LLR function at the same 
time. Either one shall functional.

Chapter 6
INSTALLING THE CONVERTER TO 
CHASSIS
Step 1- Unscrew and pull out the media converter board. 
Step 2- Remove a blank faceplate from an empty expansion 
slot on the front of the chassis. The module can be 
installed in any expansion slot.
Step 3- Slide the module into the expansion slot, aligning 
it with the guiderails, until it firmly connects to the 
chassis’ backplane.
Step 4- Secure the module to the chassis by tightening the 
thumbscrew.

7
Chapter 7
MANAGE THE MEDIA CONVERTER
The Intelligent Media Converter Chassis that can control this 
Smart Media Converter through the management system, this 
Smart Media Converter can be controlled through Web Browser, 
SNMP management utility and terminal emulation program.
The Intelligent Media Converter Chassis will detect the setting on 
the DIP switches and display out the status, also the Management 
Chassis can control the function through the management 
system. 
 NOTE:
To control the function in a working station, 
need to collocate together with Intelligent 
Media 

Chapter 8
 LED INDICATORS
The LED indicators give you instant feedback on status of the 
converter: 
PWR  LINK/ACT
¡ ¡
LEDs State Indication
PWR
(Power)
Lights on Power on
Lights off Power off
LINK/ACT
Lights on Linking 
Lights 
Blinking
Data transmitting and receiving
Lights off Not Linking

9
Chapter 9
LINK THROUGH FUNCTION
Link Loss Carry Forward (LLCF)
When a device connected to the converter and the TP line loss the 
link, the converter’s ber will disconnect the link of transmit, so 
that the other ends will know that there is a linkage error on this 
end. And when the Fiber line loss the link, the converter’s TP will 
dis-connected, and the other end will know that there is linkage 
problem exist.
There is a default LLCF setting on this converter.
The diagram below shows a typical network congu-ration with a 
good link status using Smart Media Converter modules for remote 
connectivity. 
If the connection breaks, the Smart Media Converter modules that 
link loss forward to the switch/hub which generates a trap to the 
management station. The administrator can then determine the 
source of the problem.

Link Loss Return (LLR)
The ber ports of the Smart Media Converter have been designed 
with an LLR function for trouble-shooting a remote connection. 
LLR works in conjunc-tion with LLCF.
When LLR is enabled*, the port’s transmitter shuts down when 
its receiver fails to detect a valid receive link. LLR should only be 
enabled on one end of the link and is typically enabled on either 
the unmanaged or remote device.
The diagram below shows a typical network congu-ration with 
a good link status using Smart Media Converter for remote 
connectivity. Note that LLR is enabled as indicated in the 
diagram.
If one of the optical conductors is bad (as shown in the diagram 
box below), the converter with LLR enabled will return a nolink condition to its link partner. With LLCF default, the no-link 
condition is carried forward to the switch/hub where a trap is 
generated to the management station, and the administrator can 
then determine the source of the loss.

11
 
IMPORTANT: 
LLR must NOT be active on both ends of a 
configuration. If it is, the link can never be 
established.
*Units are shipped with the LLR function disabled (DOWN).

12
Chapter 10 
PRODUCT SPECIFICATION
Standards:
IEEE802.3ab 1000Base-T
IEEE802.3z 1000Base-SX/LX
Duplex Mode: Full Duplex Mode
LED indicators: PWR, LINK/ACT
Cable
1000Base-T: 
4 pair Cat. 5, EIA/TIA-568 100-ohm 
screened twisted-pair (STP), up to 
100m
1000Base-SX :
62.5/125μm multi-mode fiber optic 
cable, up to 220m 
50/125μm multi-mode fiber optic 
cable, up to 550m
1000Base-LX :
9/125μm single-mode fiber optic cable, 
up to 10km/15km/20km
Dimensions L 120 × W 88 × H 25 mm
Power External power adaptor 7.5V 1.5A
Media Interface: RJ-45, SC, single SC(WDM)
EMI 
Compatibility:
FCC Class B, CE Certification Class B
Temperature:
Storage: -10°C ~ 70°C
Operating: 0°C ~ 40°C
Humidity: 10% ~90% non-condensing
Power 
Consumption:
7.2 Watts / 24 BTU (maximum)