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17

CHAPTER 3: Installation

Local Loopback

1. Test condition setup. For the function to produce

an accurate result, be sure to set switches
according to Table 3-1. 

Table 3-1. Test condition, local loopback.

DIP Switches

1

2

3

4

5

6

7

Converter A

OFF

FD

100

FD

OFF

ON

OFF

Converter B

OFF

FD

100

FD

OFF

OFF

OFF

2. Launch a loopback or diagnostics testing program

and follow the instructions given. The instructions
will be similar to this:

a) Enter the number of test messages (frame

packets) to be sent (between 1 and 1000).

b) Press the START button.

c) The program will send a testing message

looped in the copper segment and display a
pass/fail result.

Содержание LH1706A-SC-AU

Страница 1: ...r fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com LH1706A SC US LH1706A ST UK LH1707A SC JP LH1706A SC EU LH1706A ST AU LH1708A SC US LH1706A SC UK LH1706A ST JP LH1708A SC EU LH1706A SC AU LH1707A SC US LH1708A SC UK LH1706A SC JP LH1707A SC EU LH1708A SC AU LH1706A ST US LH1707A SC UK LH1708A SC JP L...

Страница 2: ......

Страница 3: ...nt is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment ...

Страница 4: ... de baño lavabo sótano mojado o cerca de una alberca etc 6 El aparato eléctrico debe ser usado únicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones de ope...

Страница 5: ...contactos y receptáculos donde salen del aparato 14 El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deberá ser localizada lejos de las lineas de energia 16 El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera qu...

Страница 6: ...00 TO 100BASE FX MEDIA CONVERTERS TRADEMARKS USED IN THIS MANUAL ST is a registered trademark of AT T Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners ...

Страница 7: ...Things to Consider Before You Install the Converter 12 3 1 1 Location 12 3 1 2 The DIP Switches 13 3 1 3 NWay DIP Switch Setting 13 3 1 4 Link Fault Signals LFS 15 3 1 5 Loopback Tests 16 3 2 Installing the Converter 19 3 3 Typical Applications 21 4 LED Indicators 23 5 Troubleshooting 25 5 1 Calling Black Box 25 5 2 Shipping and Packaging 26 ...

Страница 8: ...represents models LH1707A SC US LH1707A SC EU LH1707A SC UK LH1707A SC AU and LH1707A SC JP LH1708A SC represents models LH1708A SC US LH1708A SC EU LH1708A SC UK LH1708A SC AU and LH1708A SC JP Operation Half or full duplex Standards IEEE 802 3 10BASE T and IEEE 802 3u 100BASE TX 100BASE FX Maximum Distance Twisted pair 328 ft 100 m Fiber LH1706A ST LH1706A SC 1 2 mi 2 km over multimode fiberopti...

Страница 9: ... barrel connector for Power LH1706A SC LH1707A SC LH1708A SC 1 RJ 45 2 SC 1 barrel connector for Power Indicators 7 LEDs 1 LFS 1 100 2 LNK ACT 2 FDX COL 1 Power Temperature Tolerance Operating 32 to 158 F 0 to 70 C Storage 4 to 158 F 20 to 70 C Relative Humidity Operating Up to 80 noncondensing Storage Up to 90 noncondensing ...

Страница 10: ...U Input 230 VAC 50 Hz 2 prong LH1706A ST UK LH1706A SC UK LH1707A SC UK LH1708A SC UK Input 230 VAC 50 Hz 3 prong LH1706A ST AU LH1706A SC AU LH1707A SC AU LH1708A SC AU Input 240 VAC 50 Hz 3 prong LH1706A ST JP LH1706A SC JP LH1707A SC JP LH1708A SC JP Input 100 VAC 50 60 Hz 2 prong Size LH1706A ST 0 9 H x 2 9 W x 4 9 D 2 3 x 7 4 x 12 4 cm LH1706A SC LH1707A SC LH1708A SC 0 9 H x 2 9 W x 4 8 D 2 ...

Страница 11: ...tting LFS the media converter allows for direct connection to a workstation switch or hub You can use either straight through or crossover cable between RJ 45 ports The converter also has a DIP switch for manually setting half or full duplex mode configuration for the 100BASE FX fiber port Once the DIP switches are set the system auto reboots to new configurations without powering off Additional f...

Страница 12: ...eroptic cable via ST connectors LH1706A SC Choose this model to extend your standard or Fast Ethernet network up to 1 2 mi 2 km over 820 nm Fast Ethernet multimode fiberoptic cable using SC connectors LH1707A SC Use this converter to extend your 10 or 100 Mbps Ethernet network up to 9 3 mi 15 km over 1310 nm Fast Ethernet single mode fiberoptic cable via SC connectors LH1708A SC This converter is ...

Страница 13: ...0BASE FX Media Converter with ST connectors Figure 2 2 10 100 to 100BASE FX Media Converter with SC connectors 2 2 What the Package Includes 1 10 100 to 100BASE FX Media Converter 1 AC adapter 4 Non skid rubber feet 2 Mounting screws This users manual ...

Страница 14: ...nce When selecting a location consider these guidelines Choose a fairly cool and dry spot See Chapter 1 for the acceptable temperature and humidity operating ranges Select a location free from strong electromagnetic field generators such as motors vibration dust and direct exposure to sunlight Leave at least 4 inches 10 2 cm of space at the front and rear of the unit for ventilation ...

Страница 15: ...rate 10 Mbps or 100 Mbps 4 Fiber port duplex mode full duplex or half duplex 5 Enables disables Link Fault Signaling LFS 6 Enables disables Local Loopback LLB 7 Enables disables Remote Loopback RLB 3 1 3 NWAY DIP SWITCH SETTING Use the NWay DIP switch 1 to activate NWay operations The switch s default setting is ON Before connecting any network device see if it supports NWay If it does double chec...

Страница 16: ...s speeds Set the NWay switch OFF when connecting to an autosensing device that only supports 10 100 Mbps detection Some earlier switch models support only autosensing of speed not autodetection of speed and duplex mode autonegotiation IMPORTANT In order to configure DIP switches 2 duplex mode and 3 speed set DIP switch 1 NWay OFF If you experience any of the problems listed below make sure the NWa...

Страница 17: ...LFS to OFF when installing cables or when testing the network connection NOTE The LFS feature influences both fiber and copper segments Therefore when disruption occurs on either segment LFS will be activated and the LED will light indicating that the entire connection is down To take advantage of the full benefits of LFS four converters can be used to build a primary and a secondary link They mus...

Страница 18: ...fiber segment is connected properly See Figure 3 2 Figure 3 2 Remote and local loopback tests Turning DIP switch 6 ON enables local loopback Turning DIP switch 7 ON enables remote loopback Make sure that the cables are connected properly before getting started Conduct either the local or remote test but not both at the same time Follow the steps listed on the next few pages to perform the diagnost...

Страница 19: ...3 4 5 6 7 Converter A OFF FD 100 FD OFF ON OFF Converter B OFF FD 100 FD OFF OFF OFF 2 Launch a loopback or diagnostics testing program and follow the instructions given The instructions will be similar to this a Enter the number of test messages frame packets to be sent between 1 and 1000 b Press the START button c The program will send a testing message looped in the copper segment and display a...

Страница 20: ...FF OFF Converter B OFF FD 100 FD OFF OFF ON 2 Launch a loopback or diagnostics testing program and follow the instructions given The instructions will be similar to this a Enter the number of test messages frame packets to be sent between 1 and 1000 b Press the START button c The program will send a testing message looped in the fiber segment and display a pass fail result WARNING Be sure to deact...

Страница 21: ...10 100BASE TX device or network segment Finally connect the converter to a 100BASE FX device or to another media converter via fiberoptic cable Follow the steps listed below 1 For desktop installation affix the four non skid rubber feet to the bottom of the converter For wallmount installation use the underside of the converter as a template to measure and mark out the position of the holes onto t...

Страница 22: ...ted pair cable between the 10 100BASE TX device hub or switch and the converter is no longer than 328 ft 100 m 5 Connect one end of the cable to the RJ 45 jack on the converter 6 Connect the other end of the cable to the RJ 45 jack on the 10 100BASE TX device 7 Connect one end of a fiber cable to the ST or SC connectors on the converter 8 Connect the other end of the fiber cable to the ST or SC co...

Страница 23: ...3 3 Converters connecting two LAN switch workgroups Fast Ethernet switch Fast Ethernet switch 10 100 to 100BASE FX Media Converters UTP UTP 328 ft 100 m 328 ft 100 m 328 ft 100 m 328 ft 100 m Single mode fiber cable LH1707A SC US 9 3 mi 15 km LH1708A SC US 18 6 mi 30 km ...

Страница 24: ...ft 100 m 328 ft 100 m 328 ft 100 m Workstation Fast Ethernet switch 10 100 to 100BASE FX Media Converters UTP UTP Single mode fiber cable LH1707A SC US 9 3 mi 15 km LH1708A SC US 18 6 mi 30 km Server Fast Ethernet switch 10 100 to 100BASE FX Media Converters UTP UTP 328 ft 100 m 328 ft 100 m 328 ft 100 m 328 ft 100 m Single mode fiber cable LH1707A SC US 9 3 mi 15 km LH1708A SC US 18 6 mi 30 km ...

Страница 25: ...perly installed it operates maintenance free Several LEDs tell you the status of the converter and the network at a glance See Figures 4 1 and 4 2 Figure 4 1 LEDs on the converter with ST connectors Figure 4 2 LEDs on the converter with SC connectors CHAPTER 4 LED Indicators ...

Страница 26: ...ns on when the copper fiber segment is OK The 100 LED indicates that the port is operating at 100 Mbps The unlit LED indicates that the port is operating below 100 Mbps The LNK ACT LED flashes when data traffic is passing through the port The LED lights when connectors are attached The LED is off when no valid link is established on the port The FDX COL LED lights when the converter is in full dup...

Страница 27: ...r serviceable parts Contact Black Box at 724 746 5500 Before you do make a record of the history of the problem We will be able to provide more efficient and accurate assistance if you have a complete description including the nature and duration of the problem when the problem occurs the components involved in the problem any particular application that when used appears to create the problem or ...

Страница 28: ...your 10 100 to 100BASE FX Media Converter Package it carefully We recommend that you use the original container If you are shipping the media converter for repair make sure you include everything that came in the original package Before you ship contact Black Box to get a Return Authorization RA number ...

Страница 29: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2003 Black Box Corporation All rights reserved ...

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