User's Manual
GST-702/702S
GST-705/705A
GST-706A15/706B15
GST-706A60/706B60
1000Base-T to 1000Base-LX/SX
Smart Media Converter
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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. 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 limits 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 the Instruction manual, 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.
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
PLANET 1000Base-T to 1000Base-LX/SX Smart Media Converter User’s manual
MULTI-MODE: GST-702 / GST-705 / GST-705A
SINGLE-MODE: GST-702S / GST-705A
REVISION: 1.0 (MARCH.2007)
Part No.: EM-GST70x_v1.0 (2080-AA3450-000)
/ GST-706A15 / GST-706B15 / GST-706A60 / GST-706B60
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TABLE OF CONTENTS
1. INTRODUCTION.......................................................................................................................................... 4
1.1 CHECKLIST ................................................................................................................................................ 4
1.2 ABOUT THE 1000BASE-T TO 1000BASE-LX/SX SMART MEDIA CONVERTER................................................. 4
1.3 FEATURES ................................................................................................................................................. 4
1.4 SPECIFICATION .......................................................................................................................................... 5
1.5 PRODUCT OUTLOOK ................................................................................................................................... 6
2. HARDWARE INSTALLATION ....................................................................................................................7
2.1 STAND-ALONE MEDIA CONVERTER INSTALLATION ........................................................................................ 7
2.2 SLIDE MEDIA CONVERTER MODULE INTO MC-1600MR/R48 CHASSIS INSTALLATION.....................................8
2.3 REAL ETHERNET ENVIRONMENT APPLICATION .............................................................................................. 9
3. MANAGE THE MEDIA CONVERTER....................................................................................................... 10
3.1 DIP SWITCH CONFIGURATION ................................................................................................................... 10
3.2 MANAGED MEDIA CONVERTER MODULE THROUGH MC-1600MR/R48 CHASSIS ..........................................11
4. LINK PASS THROUGH FUNCTION.........................................................................................................12
4.1 LINK LOSS CARRY FORWARD (LLCF)........................................................................................................ 12
4.2 LINK LOSS RETURN (LLR) ........................................................................................................................ 13
5. TROUBLESHOOTING................................................................................................................................14
APPENDIX A NETWORKING CONNECTION...............................................................................................15
A.1 SWITCH‘S RJ-45 PIN ASSIGNMENTS ......................................................................................................... 15
A.2 RJ-45 CABLE PIN ASSIGNMENT .................................................................................................................15
A.3 CABLE CONNECTION PARAMETER............................................................................................................. 16
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1. INTRODUCTION
1.1 Checklist
Thank you for purchasing PLANET 1000Base-T to 1000Base-LX/SX Smart Media Converter, the 1000Base-T to
1000Base-LX/SX Smart Media Converter package shall contain following contents:
Check the contents of your package for follow i ng parts:
z 1000Base-T to 1000Base-LX/SX Smart Media Converter x1
z User's manual CD x1
z DC 5V 2A Power Adapter x1
If any of these pieces are missing or damaged, please contact your dealer immediately, if possible, retain the carton
including the original packing material, and use them against to repack the product in case there is a need to return it to
us for repair.
1.2 About the 1000Base-T to 1000Base-LX/SX Smart Media Converter
The GST-70x series Smart Media Converter provide Media conversion between 1000Base-T and 1000Base-LX/SX interfaces, such as multi-mode LC/SC connectors(220m/550m), single-mode LC/SC connector(10/20/40/50/70/120km) and
single fiber connector(WDM,15/60km) fiber connection options for various application.
The GST-70x series Smart Media Converter provide Auto MDI/MDI-X on its TP port and use the DIP switch from the
GST-70x to configure the available smart functions, such as the auto-negotiation / force for fiber interface and Link Pass
Through function(LLCF/LLR). The LLCF default set on board and work with LLR in diagnosing network connections, also
the LLR function can immediately alarm network administrator the media link issue and provide efficient solution to monitor
the entire network.
The GST-70x series Smart Media Converter can allow two type segments connect easily with efficiently and cost effective,
these Smart Media converter can be use us a standalone unit when it power on by it’s DC adapter. Or use as a slide-in
module to the PLANET new 19-inch Web Smart 16-Slots Media converter chassis (MC-1600MR/MC-1600MR48), with this
Web Smart Media converter chassis, the GST-70x able to manage and status monitor through the local RS-232 console
and remote web interface.
1.3 Features
◆ Complies with IEEE 802.3ab, 1000Base-T and IEEE 802.3z 1000Base-LX/SX Ethernet standard
◆ Provides one 1000Base-T port with RJ-45 connector, one 1000Base-LX/SX port with LC/SC/WDM connector
supporting multi-mode or single-mode fiber optic cable
◆ LED indicators for converter status
◆ Provide DIP switch to setting fiber ( Auto-negotiation / Manual) and LLR( Disable / Enable)
◆ Auto-MDI / MDI-X for 1000Base-T port
◆ Back-pressure & IEEE 802.3x compliant flow control and full wire-speed forwarding rate
◆ Link Loss Return( LLR) switch on each fiber optic to aid in troubleshooting remote network connections
◆ Link Loss Carry Forward( LLCF) work with LLR in diagnosing network connections
◆ Manageable through Web Smart Media Converter Chassis System
◆ Used as a stand-alone device or with a chassis for up to 16 converter with redundant power supply for optional
expansion use
◆ EMI standards complies with FCC, CE class B
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1.4 Specification
Model GST-702 GST-702S GST-705 GST-705A GST-
706A15
Hardware Specification
Standards IEEE 802.3ab 1000Base-T, IEEE 802.3z 1000Base-LX/SX
Ports 1 1000Base-T port , 1 1000Base-LX/SX port
Fiber connector SC SC LC SFP, LC WDM WDM WDM WDM
Cable 1000Base-T: 2-pair Cat. 5,5e,6 UTP cable, up to 100 meters
1000Base-SX: 50/125μm or 62.5/125μm multi-mode fiber cable, up to 220/550m.
1000Base-LX: 9/125μm single-mode cable, provide long distance for 10/20/40/50/70/120km
LED indicator System: PWR
TP: LNK,ACT
LX / SX: LNK, ACT, FDX
DIP switch Fiber ( Auto-negotiation / Manual), LLR( Disable / Enable)
Speed Gigabit Ethernet: 1000/2000Mbps for half / full-duplex
Power input DC 5V 2A
Power consumption 6.2 Watts / 21 BTU( maximum)
Operate environment 0~50 Degree C, 5%~90%RH
Storage environment -20~70 Degree C, 5%~90%RH
Dimension (W x D xH) 81 x 94 x 26mm
Weight 0.22kg
Emission FCC Class B, CE mark
GST706B15
GST706A60
GST-
706B60
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1.5 Product Outlook
Right View: there is one RJ-45 twisted-Pair jack (Auto-MDI/MDI-X), one fiber-optic connector (vary by model) and six
LED indicators.
Left View: there is one DC jack for DC 5V power adapter.
LED Indicators
LED Color Status Indication
Lights On Power on – when +5V DC detected. PWR(Power) Green
Lights Off Power off.
Lights On Connection at 1000Mbps Full-Duplex mode. FDX Green
Lights Off Connection not 1000Mbps Full-Duplex mode.
Lights On The link through that port is successfully established. TP LINK Green
Lights Off The link through that port is not established.
Lights Off Without data transmitting or receiving on that port. TP ACT Green
Lights Blinking Data transmitting or receiving on that port.
Lights On The link through that port is successfully established. LX/SX LINK Green
Lights Off The link through that port is not established.
Lights Off Without data transmitting or receiving on that port. LX/SX ACT Green
Lights Blinking Data transmitting or receiving on that port.
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2. HARDWARE INSTALLATION
This product provides two different running speeds – 1000Base-T and 1000Base-LX/SX in the same device.
This section describes the hardware installation of GST-70x. Before connecting any network device to the GST-70x, read
this chapter carefully.
2.1 Stand-alone Media Converter Installation
The GST-70x can use as a stand-alone Media Converter for Plug & Play and quick network environment deploy, please
follow these steps to install the converter:
• Turn off the power of the device/station in a network to which the GST-70x will be attached.
• Ensure that there is no activity in the network.
• Attach fiber cable from the GST-70x to the fiber network. TX, RX must be paired at both ends.
• Attach a Cat. 5 UTP cable from the 1000Base-T network to the RJ-45 port on the GST-70x.
• Connect the 5VDC power adapter to the GST-70x and verify that the Power LED lights up.
• Turn on the power of the device/station, the TX Link /Act and LX/SX Link/Act LEDs should light when all cables are
attached.
1000Base-T
Cat. 5/5e TP
Cable Network
GST-70X
PLANET
Gigabit Et hernet Converter 1000Base-T to1000Base-SX
1000Base-SX/LX
Fiber Network
#Notice:
1. RJ-45/STP, UTP Cat 5/5E, straight/crossover cable is accepted.
2. Please refer to Appendix A for more about the wiring distance of your TP and fiber- Optic cable.
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2.2 Slide Media Converter module into MC-1600MR/R48 Chassis installation
Step 1- Unscrew and pull out the GST-70x Media Converter board.
Step 2- Remove a blank faceplate from an empty expansion slot on the front of the chassis. The GST-70x Media Con-
verter board can be installed in any expansion slot.
Step 3- Slide the GST-70x Media Converter board into the expansion slot, aligning it with the guide rails, until it firmly
connects to the chassis’ backplane.
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Step 4- Secure the GST-70x Media Converter board to the chassis by tightening the thumbscrew.
2.3 Real Ethernet environment application
Standalone and centralize management Media Converter installation
Afford the current network grows and expanding, the PLANET GST-70x provide advanced Media conversion technology to
fill this kind of demand. The GST-70x provide the diverse fiber connect type options to meet different network application,
it is very flexible for GST-70x work as a standalone devices or install into the central Web Smart Media converter chassis
for centralize management. Once, install into Web Smart Media Converter chassis and the GST-70x supports hot
swappable to avoid network downtime, the GST-70x is ideal solution for building a network solution of FTTH( Fiber to the
Home) or FTTC(Fiber to the Curb) and FTTB(Fiber to the Building) for ISPs, campuses and enterprise.
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Figure 1. GST-70x Ethernet envirnoment application
3. MANAGE THE MEDIA CONVERTER
This product provides two different managed methods – configure through its DIP Switch or install into the central Web
Smart Media converter chassis for centralize management.
This section describes how to managed the GST-70x through its DIP Switch and Web Smart Media converter chassis.
Before use the GST-70x smart function, please read this chapter carefully.
3.1 DIP Switch configuration
The GST-70x provide DIP switch to setting fiber (Auto-negotiation / Manual) and LLR (Disable / Enable). Please refer to the
table below for more detail decription.
DIP Switch Mode Description
On Fiber operates at Forced Mode. DIP Switch 1
Off
On LLR Enable. DIP Switch 2
Off
Notice:
#
1. After change the DIP Switch setting, please power off and power on the GST-70x to take affect.
2. 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.
3. When using two converters, don’t enable the both device’s LLR function at the same time.
Fiber operates at Auto-Negotiation
LLR Disable
(default).
(default).
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3.2 Managed Media Converter module through MC-1600MR/R48 Chassis
The Web Smart Media Coverter Chassis that can control GST-70x through the management system, GST-70x can be
controlled through Web Browser and terminal emulation program.
The Web Smart Media Converter Chassis will display out the status of GST-70x, also the Web Smart Media Coverter
Chassis can control the function through the management system.
Through the Web Smart Media Coverter Chassis System, you can control the setting of GST-70x, such as fiber
(Auto-negotiation / Manual) and LLR (Disable / Enable).
Item Description
Device To enable or disable per GST-70x Converter board.
Fiber LLR To enable or disable the LLR function of the Fiber port.
Fiber AN Bypass
To set the Auto negotiation bypass function of the Fiber port to
enable or disable.
#Notice:
Please to note that if converter is connect with switch whichis Auto negotiation, must enable the Auto by pass function.
If both devices are conveters must disable the auto by pass function.
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4. LINK PASS THROUGH FUNCTION
The LFP function includes the Link Fault Pass Through function (LLCF/LLR) and the DIP Switch design. LLCF/LLR can
immediately alarm administrators the problem of the link media and provide efficient solution to monitor the net. The DIP
Switch provides disable or enable the LFP function.
LLCF (Link Loss Carry Forward) means when a device connected to the converter and the TP line loss the link, the
converter’s fiber will disconnect the link of transmit. LLR (Link Loss Return) means when a device connected to the con-
verter and the fiber line loss the link, the converter’s fiber will disconnect the link of transmit. Both can immediately alarm
administrators the problem of the link media and provide efficient solution to monitor the net.
4.1 Link Loss Carry Forward (LLCF)
The GST-70X modules incorporates default LLCF function for troubleshooting a remote connection; the Fiber/TP ports do
not transmit a link signal until they receive a link signal from the opposite port.
The diagram below shows a typical network configuration with a good link status using GST-70X for remote connectivity.
Management Switch/Hub Media Media Switch/Hub Management
Station w/SNMP Converter Converter w/SNMP Station
LLCF is ON
TP
Fiber
LLCF is ON
TP
● LED lit = established link ○ LED unlit = no link
If the connection breaks, GST-70X 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 issue.
Management Switch/Hub Media Media Switch/Hub Management
Station w/SNMP Converter Converter w/SNMP Station
#
● LED lit = established link ○ LED unlit = no link
Notice:
LLCF is ON
TP
1. When connecting GST-70X with LLCF default enabled to an auto-negotiating-capable device, force both sides of the
configuration to 10 or 100Mbps full or half duplex. This allows the converter to immediately see link pulses and start
passing data.
2. Units are shipped with the default LLCF function enabled.
Broken
Fiber
LLCF is ON
TP
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4.2 Link Loss Return (LLR)
The fiber ports of GST-70X have been designed with an LLR function for troubleshooting a remote connection. LLR works
in conjunction 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 configuration with a good link status using GST-70X for remote connectivity.
Note that LLR is enabled as indicated in the diagram.
Ma nage ment Swit ch/ Hub M edia Med ia Swit ch/H ub M anag eme nt
Station w/SNMP Converter Converter w/SNMP Station
LLCF is ON
Fiber
Cable
● LED lit = established link ○ LED unlit = no link
If one of the optical conductors is bad (as shown in the diagram box below), the converter with LLR enabled will return a
no-link condition to its link partner. With LLCF also default enabled, 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.
LLCF is ON
Management Switch/Hub Media Media Switch/Hub Management
Statio n w/SNMP Converter Convert er w/SNMP Station
● LED lit = established link ○ LED unlit = no link
Link Loss Carried Forward Link Loss Carried Forward
LLCF is ON
Broken
Port 2
Link Loss Returned
LLCF is ON
Port 1
#Notice:
1: LLR must NOT be active on both ends of a configuration. If it is, the link can never be established.
2. Units are shipped with the LLR function disabled (DOWN).
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5. TROUBLESHOOTING
This chapter contains information to help you solve issues. If the GST-70x is not functioning properly, make sure the
GST-70x was set up according to instructions in this manual.
The Power LED is not lit
Solution:
Check the power cable connection between power adapter and GST-70X.
Why I connect GST-70x to device with 1000Base-LX/SX interface and the 1000Base-LX/SX fiber connection fail?
Solution:
1. Please check the fiber connection between two devices is correct.
2. Please check the 1000Base-LX / SX interface from both devices run at force full duplex mode.
3. Check and if the 1000Base-LX/SX interface of other device run at Auto-negotiation mode only,
please enable the Auto negotiation bypass function of GST-70x for successful fiber connection.
1000Base-T port link LED is lit, but the traffic is irregular
Solution:
1. Check that the attached device is not set to dedicate full duplex. Some devices use a physical or software switch
to change duplex modes. Auto-negotiation may not recognize this type of full-duplex setting.
2. Check and assure the TP ports from both GST-70x and attached device run at Auto-negotiation mode.
Why I change the GST-70x DIP switch setting and seems the function without any different?
Solution:
Please power off and power on the GST-70x to take effect.
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APPENDIX A NETWORKING CONNECTION
A.1 Switch‘s RJ-45 Pin Assignments
1000Mbps, 1000Base T
Contact MDI MDI-X
1 BI_DA+ BI_DB+
2 BI_DA- BI_DB-
3 BI_DB+ BI_DA+
4 BI_DC+ BI_DD+
5 BI_DC- BI_DD-
6 BI_DB- BI_DA-
7 BI_DD+ BI_DC+
8 BI_DD- BI_DC-
A.2 RJ-45 cable pin assignment
The standard RJ-45 receptacle/connector
There are 8 wires on a standard UTP/STP cable and each wire is color-coded. The following shows the pin allocation
and color of straight cable and crossover cable connection:
Figure A-1: Straight-Through and Crossover Cable
Please make sure your connected cables are with same pin assignment and color as above picture before deploying the
cables into your network.
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A.3 Cable Connection Parameter
The limitations are shown as below;
Standard Fiber Type Cable Specification
1000Base-SX
(850nm)
(1300nm)
Wiring Distances:
Multi-mode 50/125μm or 62.5/125μm
Multi-mode 50/125μm or 62.5/125μm 1000Base-LX
Single-mode 9/125μm
Standard Fiber Diameter
(micron)
1000Base-SX MM 62.5
62.5
50
50
1000Base-LX
MM 62.5
50
50
SM 9 N/A 5000*
#Notice:
Modal Bandwidth
(MHz * km)
100
200
400
5
4
5
Max. Distance
(meters)
220
275
500
550 500
550
1: Consult your local dealer for more about PLANET single mode fiber connectivity.
2. The Single-mode port (1000Base-LX port) of GST-702S, GST-705A, GST-706A15/B15 and GST-706A60/B60 is
complied with LX 5 kilometers and provides additional margin allowing for a
single mode fiber.
3. A model (TX: 1310nm; RX: 1550nm) and B model (TX: 1550nm; RX: 1310nm) should runs in pair.
10/15/60 kilometers Gigabit Ethernet link on
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2080-AA3450-000
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