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Trademarks
Copyright © PLANET Technology Corp. 2007
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 fitness 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 find 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 A 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 A product. In a domestic environment, this product may
cause radio interference, in which case the user may be required to take
adequate measures.
WEEE Warning
To avoid the potential effects on the environment
and human health as a result of the presence of
hazardous substances in electrical and electronic
equipment, end users of electrical and electronic
equipment should understand the meaning of the
crossed-out wheeled bin symbol. Do not dispose of
WEEE as unsorted municipal waste and have to collect such WEEE
separately.
Revision
User’s manual for PLANET Gigabit Ethernet Converter
For Models: GT-702, GT-702S, GT-705A, GT-706A15, GT-706B15,
GT-706A60, GT-706B60
Rev 5.0 (July. 2007)
Part No: 2010-000006-005
Table of Contents
Chapter 1 OVERVIEW.................................................. 1
About the Gigabit Ethernet Media Converter................ 1
Chapter 2 PRODUCT FEATURES................................ 2
Chapter 3 MODEL LIST................................................ 3
Chapter 4 CHECKLIST.................................................. 4
Chapter 5 PRODUCT OUTLOOK................................. 5
Chapter 6 INSTALLING THE CONVERTER................. 7
Chapter 7 DUPLEX MODE SUPPORT......................... 8
Chapter 8 LED INDICATION......................................... 9
Chapter 9 CABLE CONNECTION PARAMETER........ 10
Chapter 10 PRODUCT SPECIFICATION.................... 11
Chapter 11 POWER INFORMATION...........................12
Chapter 1 OVERVIEW
Thank you for purchasing PLANET GT-70X family Gigabit Ethernet
Media Converter products. This Gigabit Ethernet Media Converter
is used to convert one type media signal to other type equivalent
that allows two type segments connect easily, efficiently and
inexpensively. The Giagbit 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(GT-705A only) or the 1000Base-LX WDM(GT-706A15/
B15 and GT-706A60/B60 only).
This Gigabit Ethernet Media converter can be used as a standalone
unit or as a slide-in module to the 10”/19” media chassis (up to 15
units) for a multi-mode and single-mode Fiber combined networks at
a central wiring closet. Please contact with your sales representative
for more about the 10”/19” media chassis.
About the Gigabit Ethernet Media Converter
This Gigabit Ethernet Media Converter utilizes a netrwork technology
specified by IEEE 802.3ab 1000Base-T and IEEE 802.3z 1000BaseSX/LX standards. The Gigabit Ethernet Media Converter is used to
converter one type media signal to other type equivalent that allows
two type segments connect easily, effciently and inexpensively.
Chapter 2 PRODUCT FEATURES
● Comply with IEEE 802.3ab 1000Base-T, IEEE 802.3z 1000BaseSX/LX Ethernet standard
● Full-duplex supports for TP and fiber port
● Auto-negotiation on 1000Base-T port
● Auto-MDI/MDIX on TP port
● LED indicators for simple diagnostics and management
● Provides DIP switch to disable/ enable auto-negotiation by-pass
function
● 1000Base-SX interface for up to 550 meters (multi-mode
50/125µm fiber) and 220 meters (multi-mode 62.5 /125µm fiber)
on GT-702 and GT-705A
● 1000Base-LX interface for up to 10km (single mode 9/125µm
fiber) on GT-702S and GT-705A
● 1000Base-LX WDM interface for up to 15km (single mode
9/125µm fiber) on GT-706A15/B15
● 1000Base-LX WDM interface for up to 60km (single mode
9/125µm fiber) on GT-706A60/B60
● One SFP (Mini-GBIC) slot supporting either multi-mode or single
mode fiber, flexibility in Gigabit Ethernet fiber-optic wiring with
different Mini-GBIC module installed (GT-705A only)
● Compact in size, easy installation
● Can be installed on PLANET’s 10”/19” Media Converter Chassis
Chapter 3 MODEL LIST
Your Gigabit Ethernet Converter comes with one of the following
models.
 GT-702: 1000Base-T to 1000Base-SX (SC)
 GT-702S: 1000Base-T to 1000Base-LX (SC)
 GT-705A: 1000Base-T to 1000Base-SX/LX (LC)
 GT-706A15: 1000Base-T to 1000Base-LX(WDM)
 GT-706B15: 1000Base-T to 1000Base-LX(WDM)
 GT-706A60: 1000Base-T to 1000Base-LX(WDM)
 GT-706B60: 1000Base-T to 1000Base-LX(WDM)
In the following sections, the term “GT-70X” indicates the product
family above, the term “MM” and “SM” represent Multi-Mode and
Single Mode fiber-optic mode.
Notice:
Please note GT-706A15/706B15 and GT-706A60/706B60 is
designed to work together. It means you must connect GT-706A15
to GT-706B15 or GT-706A60 to GT-706B60 from them to work
normally. If both ends are GT-706A15 or GT-706A60 and GT-706B15
or GT-706B60, they can’t work normally and may damage the fiber
connectors.
Chapter 4 CHECKLIST
Your GT-70X carton should contain the following items:
 The Gigabit Ethernet Converter.
 AC-DC Power Adapter (Output: 5VDC, 2A max.).
 This user’s manual.
If any item is missing or damaged, please consult the dealer from
whom you purchased your Gigabit Ethernet Converter.
Notice:
GT-705A is with one vacant SFP module slot. The mini GBIC
SFP module is not bundled with in the package
Chapter 5 PRODUCT OUTLOOK
Right View (GT-70X)
Left: Fiber-optic connector, Right: TP connector.
Three LED indicators per TP, fiber port.
Rear View (GT-70X)
5V DC
A-N bypass
+
Off
On
One DC jack for DC power input and DIP switch to disable/enable
Auto by pass function.
Notice:
Please to note that if converter is connect with switch which
is Auto negotiation, must enable the Auto by pass function.
If both devices are conveters must disable the auto by pass
function.
Chapter 6 INSTALLING THE CONVERTER
Please follow these steps to install the converter:
• Turn off the power of the device/station in a network to
which the GT-70X will be attached.
• Ensure that there is no activity in the network.
• Attach fiber cable from the GT-70X to the fiber network.
TX, RX must be paired at both ends.
• Connect the 5VDC power adapter to the GT-70X and
verify that the Power LED lights up.
• Turn on the power of the device/station; the PWR LEDs
should light when all cables are attached.
Notice:
Please refers to section 9 for detailed wiring information of the GT70X.
1000Base-T
Cat. 5/5e TP
Cable Network
GT-70X
Gigabit Ethernet Converter
1000Base-SX/LX
1000Base-SX/LX
Fiber Network
To prevent from optic acceptor malfunction, check the both
wires / transmitter before power on the converter.
Chapter 7 DUPLEX MODE SUPPORT
The GT-70X is one-channel media conversion between
1000Base-T and 1000Base-SX/LX/LX WDM. 1000Base-T
port can work under Auto-negotiation and fixed 1000Mbps full duplex
mode. 1000Base-SX/LX/LX WDM fiber port only allow to work under
fixed 1000Mbps full duplex mode.
Notice:
It doesn’t support Auto-negotiation and can not work with 1000BaseSX/LX interface that can not configure to fixed 1000Mbps full duplex.
Chapter 8 LED INDICATION
LED
Color
Description
Fiber / ACT
Green
Lit: when the fiber port run in fix
1000Mbps and packet is traveling.
TP / ACT
Green
Lit: when the packet is traveling.
Fiber / LNK
Green
Lit: when fiber connection is good.
TP / LNK
Green
FDX
Green
Lit: when TP connection is good.
Lit: when the TP port runs in
1000Mbps Full duplex.
PWR
Green
Lit: when +5VDC power detected.
Table 8-1: LED indication of GT-70x
Chapter 9 CABLE CONNECTION PARAMETER
The wiring details are as below:
Cables:
Standard
1000Base-SX
(850nm)
Fiber Type
1000Base-LX
(1300nm)
Cable Specification
Multi-mode
50/125μm or 62.5/125μm
Multi-mode
50/125μm or 62.5/125μm
Single-mode
9/125μm
Wiring Distances:
Standard
Fiber
1000Base-SX MM
1000Base-LX
MM
SM
Diameter Modal Bandwidth
(micron)
(MHz * km)
Max. Distance
62.5
100
(meters)
220
62.5
200
275
50
400
500
50
62.5
500
5
550
550
50
4
50
5
9
N/A
5000*
Notice:
The Single-mode port (1000Base-LX port) of GT-702S, GT-705A, GT706A15/B15 and GT-706A60/B60 is complied with LX 5 kilometers and
provides additional margin allowing for a 10/15/60 kilometers Gigabit
Ethernet link on single mode fiber.
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Chapter 10 PRODUCT SPECIFICATION
The GT-70X comes with the following standard features:
Standards:
IEEE 802.3ab 1000Base-T
IEEE 802.3z 1000Base-SX/LX
Duplex Mode:
Full Duplex Mode
Transfer rate
Media
1000Mbps
Interface:
LED
indicators:
RJ-45, SC, single SC(WDM)
PWR, FDX, Fiber/LNK/ACT, TP/LNK/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/15/60km
Dimensions
26 x 70 x 97mm (H x W x D)
Power
External power adaptor 5V 2A max.
EMI
Compatibility:
Temperature:
Humidity:
FCC Class A, CE Certification Class A
Storage: -40°C ~ 70°C
Operating: 0°C ~ 50°C
5% ~90% non-condensing
Notice:
Connecting to the Gigabit Ethernet products, please refer to the device’s
Technical Manual.
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Chapter 11 POWER INFORMATION
The power jack of GT-70X is with 2.5mm in the central post and
required +5VDC power input. It will conform to the bundled AC-DC
adapter and Planet’s Media Chassis. Should you have the problem
to make the power connection, please contact your local sales
representative.
Please keep the AC-DC adapter as spare parts when your GT-70X is
installed to a Media Chassis.
Distributed by:
45 Beechwood Dr., North Andover, MA 01845
www.L-com.com
Fax: 978-689-9484
E-mail: sales@L-com.com
Toll Free: 1-800-343-1455
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