Nortel Networks Network Card 302403 B User Manual

Installing Media  
DependentAdapters  
(MDA)s  
Part No. 302403-B Rev 00  
January 1999  
 
Introduction  
This document provides procedures for installing optional  
plug-in media dependent adapters (MDAs) into supported  
Bay Networks products equipped with an expansion slot.  
The MDAs can support high-speed connections to servers,  
shared Fast Ethernet hubs, or backbone devices.  
Note: The MDAs are not hot-swappable. Power down  
the switch before installing or removing an MDA.  
The following MDA models are available:  
Type  
Model/Description  
Refer to:  
10BASE-T/  
100BASE-TX  
400-4TX MDA --- 4-port twisted pair page 2  
RJ-45 connectors.  
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 --- Single MAC  
gigabit MDA with a separate  
redundant PHY.  
450-1SX MDA --- Single PHY  
gigabit MDA.  
page 10  
(continued)  
1
 
Type  
Model/Description  
Refer to:  
1000BASE-LX  
(Longwave  
gigabit fiber)  
450-1LR MDA --- Single MAC  
gigabit MDA with a separate  
redundant PHY.  
450-1LX MDA --- Single PHY  
gigabit MDA.  
page 13  
Bay Networks is constantly adding new models and  
features to existing product lines; see your Bay Networks  
sales representative for a full range of available MDAs.  
For more details, see your switch product user’s guide.  
The following Bay Networks products are supported:  
BayStack 350 Series 10/100/1000 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.  
2
 
 
1
2
100  
10  
F
Dx  
Activity  
400-4TX MDA  
5
4
3
BS45042A  
Figure 1.  
400-4TX MDA Front Panel  
Table 1.  
400-4TX MDA Components  
Description  
Item Label  
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)  
3
 
   
Table 1.  
400-4TX MDA Components (continued)  
Item Label  
Description  
2
10  
10BASE-T port status LEDs (green):  
On: The corresponding port is set to  
operate at 10 Mb/s.  
Off: The link connection is bad or there 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
5
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.  
10BASE-T/100BASE-TX RJ-45 (8-pin  
modular) port connectors.  
The RJ-45 ports are configured as media-dependent  
interface-crossover (MDI-X) connectors. These ports  
connect over straight cables to the network interface  
controller (NIC) card in a node or server, similar to a  
4
 
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.  
5
 
 
Warning: Fiber optic equipment can emit laser or  
infrared light that can injure your eyes. Never look  
into an optical fiber or connector port. Always assume  
that fiber optic cables are connected to a light source.  
Vorsicht: Glasfaserkomponenten können Laserlicht  
bzw. Infrarotlicht abstrahlen, wodurch 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: Léquipement 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  
optique. Toujours supposer que les câbles à fibre  
optique sont raccordés à une source lumineuse.  
6
 
Advertencia: Los equipos de fibra óptica pueden  
emitir radiaciones de láser o infrarrojas que pueden  
dañar los ojos. No mire nunca en el interior de una  
fibra óptica ni de un puerto de conexión. 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.  
7
 
1
2
100BASE-FX  
100BASE-FX  
Link  
F
Dx  
TX  
RX  
TX  
RX  
400-2FX MDA  
4
3
1
Link  
F
Dx  
2
Activity  
400-4FX MDA  
4
3
BS45043A  
Figure 2. 100BASE-FX MDA Front Panels  
Table 2 describes the 100BASE-FX components and  
LEDs.  
For installation instructions, see “Installing an MDA” on  
page 17.  
8
 
 
Table 2.  
100BASE-FX MDA Components  
Item Label  
Description  
1
Link  
Communications link LEDs (green):  
On: Valid communications link  
established.  
Off: The communications link connection  
is bad or there is no connection to this  
port.  
Blinking: The corresponding port 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
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 be on continuously.  
100BASE-FX port connectors:  
Model 400-2FX uses SC connectors.  
Model 400-4FX uses MT-RJ connectors.  
9
 
 
1000BASE-SX MDAs  
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.  
There are two 1000BASE-SX (shortwave gigabit) MDA  
models:  
The 450-1SR MDA is a single MAC MDA with a  
separate redundant Phy (backup Phy port). Only one  
Phy port can be active at any time. If the active Phy  
port fails, the redundant Phy 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.  
10  
 
 
1
2
450-1SR MDA  
(1-port redundant)  
1000BASE-SX  
1000BASE-SX  
Link  
Phy Select  
Activity  
TX  
RX  
TX  
RX  
450-1SR MDA  
4
3
2
1
450-1SX MDA  
(single port)  
1000BASE-SX  
Link  
Phy  
Activity  
TX  
RX  
450-1SX MDA  
4
3
BS45044A  
Figure 3. 1000BASE-SX MDA Front Panels  
Table 3 describes the 1000BASE-SX components and  
LEDs.  
For installation instructions, see “Installing an MDA” on  
page 17.  
11  
 
 
Table 3.  
1000BASE-SX MDA Components  
Description  
Item Label  
1
Link  
Communication link LEDs (green):  
On: Valid communications link.  
Off: The communications link  
connection is bad or there is no  
connection to this port.  
Blinking: The corresponding port is  
management disabled.  
2
Phy  
(or)  
Phy status LEDs (green):  
Phy Select  
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
4
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.  
1000BASE-FX SC port connectors.  
12  
 
 
1000BASE-LX MDAs  
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.  
There are two 1000BASE-LX (longwave gigabit) MDA  
models:  
The 450-1LR MDA is a single MAC MDA with a  
separate redundant Phy (backup Phy port). Only one  
Phy port can be active at any time. If the active Phy  
port fails, the redundant Phy port automatically  
becomes the active port.  
The 450-1LX MDA is a single Phy MDA.  
Both models (Figure 4) use longwave 1300 nm fiber optic  
connectors to connect devices over single mode  
(3 kilometer) or multimode (550 meters) fiber optic cable.  
Note: The optical performance of this transceiver  
cannot be guaranteed when connected to a multimode  
fiber plant without the use of the special offset SMF/  
MMF mode conditioning patch cord (see  
“1000BASE-LX Multimode Applications” on page  
16).  
13  
 
 
1
2
450-1LR MDA  
(1-port redundant)  
1000BASE-LX  
1000BASE-LX  
Link  
Phy Select  
Activity  
TX  
RX  
TX  
RX  
4
3
2
1
450-1LX MDA  
(single port)  
1000BASE-LX  
Link  
Phy  
Activity  
TX  
RX  
450-1LX MDA  
4
3
BS45045A  
Figure 4. 1000BASE-LX MDA Front Panels  
Table 4 describes the 1000BASE-LX MDA components  
and LEDs.  
For installation instructions, see “Installing an MDA” on  
page 17.  
14  
 
 
Table 4.  
1000BASE-LX MDA Components  
Description  
Item Label  
1
Link  
Communication link LEDs (green):  
On: Valid communications link.  
Off: The communications link  
connection is bad or there is no  
connection to this port.  
Blinking: The corresponding port is  
management disabled.  
2
PHY  
(or)  
Phy status LEDs (green):  
Phy Select  
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
4
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.  
1000BASE-FX SC port connectors.  
15  
 
 
1000BASE-LX Multimode Applications  
For 1000BASE-LX multimode applications, the longwave  
gigabit transceivers must be mode conditioned externally  
via a special offset SMF/MMF patch cord. The offset  
SMF/MMF patch cord allows the same transceiver to be  
used for both multimode and single-mode fiber. See your  
Bay Networks sales representative for more information  
about the SMF/MMF patch cord.  
The 1000BASE-LX transceiver is designed to  
mechanically accomodate the single-mode ferrules used  
on one end of the special offset 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 cable and mode conditioning, refer to the following  
publication:  
Reference Note: Gigabit Ethernet Physical Layer  
Considerations (Bay Networks part number 201540-B)  
The publication is available on the World Wide Web at  
support.baynetworks.com/library/tpubs/  
At the Web site, click on Accelar under the Routing  
Switches heading.  
16  
 
 
Installing an MDA  
The Uplink Module slot on the BayStack 450 switches  
accommodates a single MDA. The connection can be  
either an RJ-45 10/100BASE-TX MDA or a fiber  
(100BASE-FX or 1000BASE-SX/LX) MDA with an SC  
or MT-RJ connector.  
Note: The MDA is not hot-swappable. Power down  
the switch before installing or removing an MDA.  
To install 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: If you are replacing an installed MDA with  
another type of MDA, see “Replacing an MDA with a  
Different Model” on page 19.  
17  
 
 
3. Insert the MDA into the chassis slot (see Figure 5)  
taking care to slide the MDA onto the guides  
provided on the chassis.  
Caution: Make sure the MDA slides in on the guides  
provided. Failure to align the guides could result in  
bent and broken pins  
BS45046B  
Figure 5. Installing an MDA  
4. Press the MDA firmly into 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.  
18  
 
 
After connecting the port cables, continue to follow the  
instructions in that manual to connect power and verify the  
installation.  
Note: The IEEE 802.3u specification requires that all  
ports operating at 100 Mb/s use only Category 5  
unshielded twisted pair (UTP) cabling.  
Replacing an MDA with a Different Model  
When replacing an installed MDA with another type of  
MDA, complete the following steps to clear the switch  
NVRAM:  
1. Power down the switch.  
Remove 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.  
19  
 
 

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