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conventional Ethernet repeater hub. If you are connecting
to another Ethernet hub or Ethernet switch, you need a
crossover cable unless an MDI connection exists on the
associated port of the attached device.

The 400-4TX MDA can operate at either 10 Mb/s or
100 Mb/s. The speed is determined through
autonegotiation with its connecting device.

For installation instructions, see

“Installing an MDA

” on

page 17

.

100BASE-FX MDAs

There are two 100BASE-FX models:

•

400-2FX MDA

The 400-2FX MDA uses two longwave 1300 nm SC
connectors to attach devices over 62.5/125 micron
multimode fiber optic cable.

•

400-4FX MDA

The 400-4FX MDA uses four longwave 1300 nm
MT-RJ connectors to attach devices over 62.5/125
micron multimode fiber optic cable.

Both models (see

Figure 2

) can be used to attach

fiber-based 100 Mb/s connections to other compatible Fast
Ethernet devices.

Single-mode fiber cable is not supported.

302403-B.mkr Page 5 Friday, January 15, 1999 2:56 PM

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Содержание '

Страница 1: ...Part No 302403 B Rev 00 January 1999 Installing Media DependentAdapters MDA s ...

Страница 2: ...rated in a commercial environment This equipment generates uses and can radiate radio frequency energy If it is not installed and used in accordance with the instruction manual it may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case users will be required to take whatever measures may be neces...

Страница 3: ...odels are available Note The MDAs are not hot swappable Power down the switch before installing or removing an MDA Type Model Description Refer to 10BASE T 100BASE TX 400 4TX MDA 4 port twisted pair RJ 45 connectors page 2 100BASE FX Fiber 400 2FX MDA 2 port multimode fiber SC connectors 400 4FX MDA 4 port multimode fiber MT RJ connectors page 5 1000BASE SX Shortwave gigabit fiber 450 1SR MDA Sing...

Страница 4: ...0 1000 switches BayStack 450 Series 10 100 1000 switches For installation instructions see Installing an MDA on page 17 10BASE T 100BASE TX MDA The 400 4TX MDA see Figure 1 uses four 10BASE T 100BASE TX RJ 45 8 pin modular port connectors to attach Ethernet devices Table 1 describes the 400 4TX MDA components and LEDs 1000BASE LX Longwave gigabit fiber 450 1LR MDA Single MAC gigabit MDA with a sep...

Страница 5: ...ion 1 100 100BASE TX port status LEDs green On The corresponding port is set to operate at 100 Mb s Off The link connection is bad or there is no connection to this port Blinking The corresponding port is management disabled continued 400 4TX MDA Activity 100 10 F Dx 1 4 BS45042A 5 3 2 ...

Страница 6: ...re is no connection to this port Blinking The corresponding port is management disabled 3 F Dx Full duplex port status LEDs green On The corresponding port is in full duplex mode Off The corresponding port is in half duplex mode 4 Activity Port activity LEDs green Blinking Indicates the network activity level for the corresponding port A high level of network activity can cause LEDs to appear to b...

Страница 7: ... installation instructions see Installing an MDA on page 17 100BASE FX MDAs There are two 100BASE FX models 400 2FX MDA The 400 2FX MDA uses two longwave 1300 nm SC connectors to attach devices over 62 5 125 micron multimode fiber optic cable 400 4FX MDA The 400 4FX MDA uses four longwave 1300 nm MT RJ connectors to attach devices over 62 5 125 micron multimode fiber optic cable Both models see Fi...

Страница 8: ...durch Ihre Augen geschädigt werden können Schauen Sie niemals in einen Glasfaser LWL oder ein Anschlußteil Gehen Sie stets davon aus daß das Glasfaserkabel an eine Lichtquelle angeschlossen ist Avertissement L équipement à fibre optique peut émettre des rayons laser ou infrarouges qui risquent d entraîner des lésions oculaires Ne jamais regarder dans le port d un connecteur ou d un câble à fibre o...

Страница 9: ...exión Suponga siempre que los cables de fibra óptica están conectados a una fuente luminosa Avvertenza Le apparecchiature a fibre ottiche emettono raggi laser o infrarossi che possono risultare dannosi per gli occhi Non guardare mai direttamente le fibre ottiche o le porte di collegamento Tenere in considerazione il fatto che i cavi a fibre ottiche sono collegati a una sorgente luminosa ...

Страница 10: ...s Table 2 describes the 100BASE FX components and LEDs For installation instructions see Installing an MDA on page 17 RX TX 100BASE FX RX TX 100BASE FX Activity Link F Dx 400 2FX MDA BS45043A 3 4 2 1 Activity Link F Dx 400 4FX MDA 3 4 2 1 ...

Страница 11: ...rt is management disabled 2 F Dx Full duplex port status LEDs green On The corresponding port is in full duplex mode Off The corresponding port is in half duplex mode 3 Activity Port activity LEDs green Blinking Indicates the network activity level for the corresponding port A high level of network activity can cause LEDs to appear to be on continuously 4 100BASE FX port connectors Model 400 2FX u...

Страница 12: ...port automatically becomes the active port The 450 1SX MDA is a single PHY MDA Both models Figure 3 use shortwave 850 nm fiber optic connectors to connect devices over multimode 550 meter fiber optic cable Warning This is a Class 1 Laser LED product It contains a laser light source that can injure your eyes Never look into an optical fiber or connector port Always assume that the fiber optic cable...

Страница 13: ...mponents and LEDs For installation instructions see Installing an MDA on page 17 1000BASE SX TX RX Phy Link Activity 450 1SX MDA TX RX 1000BASE SX RX 1000BASE SX TX Activity Link Phy Select 450 1SR MDA 3 BS45044A 4 3 4 450 1SR MDA 1 port redundant 450 1SX MDA single port 2 1 2 1 ...

Страница 14: ...orresponding port is management disabled 2 Phy or Phy Select Phy status LEDs green On The corresponding Phy port is active Off The corresponding Phy port is in backup mode or there is no connection to this port 3 Activity Port activity LEDs green Blinking Indicates network activity level for the corresponding port A high level of network activity can cause LEDs to appear to be on continuously 4 10...

Страница 15: ...connectors to connect devices over single mode 3 kilometer or multimode 550 meters fiber optic cable Warning This is a Class 1 Laser LED product It contains a laser light source that can injure your eyes Never look into an optical fiber or connector port Always assume that the fiber optic cable or connector is connected to a laser light source Note The optical performance of this transceiver canno...

Страница 16: ...components and LEDs For installation instructions see Installing an MDA on page 17 1000BASE LX TX RX Phy Link Activity 450 1LX MDA BS45045A 3 4 2 1 TX RX 1000BASE LX RX 1000BASE LX TX Activity Link Phy Select 450 1LR MDA 3 4 2 1 450 1LR MDA 1 port redundant 450 1LX MDA single port ...

Страница 17: ...orresponding port is management disabled 2 PHY or Phy Select Phy status LEDs green On The corresponding Phy port is active Off The corresponding Phy port is in backup mode or there is no connection to this port 3 Activity Port activity LEDs green Blinking Indicates network activity level for the corresponding port A high level of network activity can cause LEDs to appear to be on continuously 4 10...

Страница 18: ...fset SMF MMF patch cord Multimode ferrules must not be used because they can bind and cause damage to the transceiver Do not connect multimode cables directly into the 1000BASE LX MDA transceiver Instead connect a special offset SMF MMF patch cord into the transceiver and then connect the multimode cable into the SMF MMF patch cord For more information about gigabit transmission over fiber optic c...

Страница 19: ...all an MDA into the Uplink Module slot follow these steps 1 Unplug the AC power cord from the back of the switch 2 Loosen the thumb screws and remove the filler panel or previously installed MDA from the Uplink Module slot Note The MDA is not hot swappable Power down the switch before installing or removing an MDA Note If you are replacing an installed MDA with another type of MDA see Replacing an...

Страница 20: ...to the chassis slot Be sure that the MDA is fully seated into the mating connector 5 Secure the MDA in the chassis by tightening the thumb screws on the MDA front panel 6 Attach devices to the MDA ports refer to the Using the BayStack 450 Switch Caution Make sure the MDA slides in on the guides provided Failure to align the guides could result in bent and broken pins BS45046B ...

Страница 21: ... the AC power cord from the power source 2 Remove the installed MDA Loosen the thumbscrews and remove the MDA 3 Cycle the switch power Power up the switch and wait for the Bay Networks logo screen to appear approximately 10 seconds then power down the switch 4 Install the replacement MDA Be sure to firmly tighten the two thumbscrews on the MDA front panel 5 Power up the switch Note The IEEE 802 3u...

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