Installing Media
DependentAdapters
(MDA)s
Part No. 302403-C Rev 00
June 1999
TM
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Introduction
This guide shows how to install media dependent adapters
(MDAs) into supported Nortel Networks products.
Table 1 lists the available MDA models.
Table 1.
MDA Models
Interface Type
Model
10/100BASE-TX (UTP)
100BASE-FX (Fiber)
•
400-4TX MDA
page 3
•
8100-4TX MDA
•
•
•
•
400-2FX MDA
8100-2FX MDA
400-4FX MDA
8100-4FX MDA
page 6
1000BASE-SX
•
•
450-1SR MDA
450-1SX MDA
page 12
page 17
(Shortwave gigabit fiber)
1000BASE-LX
(Longwave gigabit fiber)
•
•
450-1LR MDA
450-1LX MDA
Nortel Networks is constantly adding new models and
features to existing product lines; for a full range of MDAs
that are available from Nortel Networks, see your Nortel
Networks sales representative.
For more details, see your switch product user’s guide.
Table 2 on page 2 lists the supported Nortel Networks
products.
1
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Table 2.
Model
Supported Products
BayStack
3501/450
BayStack Accelar
410
8132TX
400-4TX MDA
400-2FX MDA
400-4FX MDA
450-1SR MDA
450-1SX MDA
450-1LR MDA
450-1LX MDA
8100-4TX MDA
8100-2FX MDA
8100-4FX MDA
Yes
Yes
Yes
Yes
Ye s
Ye s
Ye s
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Ye s
Ye s
Ye s
Yes
Yes
Yes
N o
N o
N o
Yes
Yes
Yes
1BayStack 350 10/100/1000 Series switches only.
Note: The MDAs are not hot-swappable. Power down
the BayStack switch or disconnect the Accelar module
from the switch backplane before installing or
removing an MDA.
2
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•
•
400-4TX MDA
Not supported on the Accelar Series Modules (see
Table 2 on page 2)
8100-4TX MDA
Supports BayStack 350/450, BayStack 410, and
Accelar Series Modules (see Table 2 on page 2)
Both models use four 10/100BASE-TX RJ-45 (8-pin
modular) port connectors to attach Ethernet devices.
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
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 10/100BASE-TX MDA ports can operate at either 10
Mb/s or 100 Mb/s. The port speed is determined through
autonegotiation with its connecting device.
Table 3 describes the 10/100BASE-TX MDA components
and LEDs.
4
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Table 3.
10/100BASE-TX MDA
Item Label
Description
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.
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.
(continued)
5
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Table 3.
10/100BASE-TX MDA (continued)
Item Label
Description
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.
5
10/100BASE-TX RJ-45 (8-pin modular) port
connectors.
For installation instructions, see “Installing an MDA” on
page 22.
100BASE-FX MDAs
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.
6
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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 optique. Toujours supposer que
les câbles à fibre optique sont raccordés à une
source lumineuse.
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.
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There are four 100BASE-FX MDA models:
•
400-2FX MDA
Not supported on the Accelar Series Modules (see
Table 2 on page 2)
•
8100-2FX MDA
Supports BayStack 350/450, BayStack 410, and
Accelar Series Modules (see Table 2 on page 2)
The 400-2FX MDA and the 8100-2FX MDA (Figure 2)
each use two longwave 1300 nm SC connectors to attach
devices over 62.5/125 micron multimode fiber optic cable.
•
400-4FX MDA
Not supported on the Accelar Series Modules (see
Table 2 on page 2)
•
8100-4FX MDA
Supports BayStack 350/450, BayStack 410, and
Accelar Series Modules (see Table 2 on page 2)
The 400-4FX MDA and the 8100-4FX MDA (Figure 3)
each use four longwave 1300 nm MT-RJ connectors to
attach devices over 62.5/125 micron multimode fiber optic
cable.
The 100BASE-FX MDA models conform to the IEEE
802.3u 100BASE-FX standard and can be used to attach
fiber-based 100 Mb/s connections to other compatible Fast
Ethernet devices. Single-mode fiber cable is not supported.
8
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Table 4.
100BASE-FX MDA Description
Description
Item Label
1
Link
Communications link LEDs (green):
On: Valid communications link.
Off: Invalid communications link or no
connection to this port.
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:
•
Models 400-2FX and 8100-2FX use SC
connectors.
Models 400-4FX and 8100-4FX use
MT-RJ connectors.
•
For installation instructions, see “Installing an MDA” on
page 22.
11
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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.
Vorsicht: Dieses Laser/LED-Produkt der Klasse
1 enthält eine Laserlichtquelle, die zu
Augenverletzungen führen kann. Sehen Sie nie in
einen Lichtwellenleiter oder
Glasfaserstecker-Port. Gehen Sie immer davon
aus, daß das Glasfaserkabel oder der
Glasfaserstecker an eine Laserlichtquelle
angeschlossen ist.
Avertissement: Ceci est un appareil Laser/DEL
de Classe 1. Cet appareil contient une source
lumineuse à rayons laser dangereuse pour les
yeux. Ne regardez jamais directement une fibre
optique ou un port de connexion. Agissez
toujours comme si le câble de fibres optiques ou le
connecteur était relié à une source lumineuse à
rayons laser.
Advertencia: Éste es un producto láser/LED de
Clase 1. Contiene una fuente de luz láser que
puede causar lesiones en los ojos. Nunca mire
dentro de un cable o de un puerto de conexión de
fibra óptica. Asuma siempre que el cable o el
connector de fibra óptica está conectado a una
fuerte de luz láser.
12
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Avvertenza: Questo è un produtto laser/LED di
Classe 1 e contiene una sorgente luminosa a laser
che può danneggiare gli occhi. Non guardare mai
all’interno di una port a fibra ottica o di una porta
connettore. Dare sempre per scontato che il cavo
di fibra ottica o il connettore siano collegati ad una
sorgente luminosa a laser.
13
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There are two 1000BASE-SX (shortwave gigabit) MDA
models (Figure 4):
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 4. 1000BASE-SX MDA Front Panels
14
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•
•
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 conform to the IEEE 802.3z 1000BASE-SX
standard and use shortwave 850 nm fiber optic connectors
to connect devices over multimode (550 meter) fiber optic
cable.
Table 5 describes the 1000BASE-SX components and
LEDs.
Table 5.
1000BASE-SX MDA Description
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.
(continued)
15
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Table 5.
1000BASE-SX MDA Description
Item Label
Description
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
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-X SC port connectors.
For installation instructions, see “Installing an MDA” on
page 22
16
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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.
Vorsicht: Dieses Laser/LED-Produkt der Klasse
1 enthält eine Laserlichtquelle, die zu
Augenverletzungen führen kann. Sehen Sie nie in
einen Lichtwellenleiter oder
Glasfaserstecker-Port. Gehen Sie immer davon
aus, daß das Glasfaserkabel oder der
Glasfaserstecker an eine Laserlichtquelle
angeschlossen ist.
Avertissement: Ceci est un appareil Laser/DEL
de Classe 1. Cet appareil contient une source
lumineuse à rayons laser dangereuse pour les
yeux. Ne regardez jamais directement une fibre
optique ou un port de connexion. Agissez
toujours comme si le câble de fibres optiques ou le
connecteur était relié à une source lumineuse à
rayons laser.
Advertencia: Éste es un producto láser/LED de
Clase 1. Contiene una fuente de luz láser que
puede causar lesiones en los ojos. Nunca mire
dentro de un cable o de un puerto de conexión de
fibra óptica. Asuma siempre que el cable o el
connector de fibra óptica está conectado a una
fuerte de luz láser.
17
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Avvertenza: Questo è un produtto laser/LED di
Classe 1 e contiene una sorgente luminosa a laser
che può danneggiare gli occhi. Non guardare mai
all’interno di una port a fibra ottica o di una porta
connettore. Dare sempre per scontato che il cavo
di fibra ottica o il connettore siano collegati ad una
sorgente luminosa a laser.
18
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There are two 1000BASE-LX (longwave gigabit) MDA
models:
1
2
450-1LR MDA
(1-port redundant)
1000BASE-LX
1000BASE-LX
Link
Phy Select
Activity
TX
RX
TX
RX
450-1LR MDA
4
3
2
1
450-1LX MDA
(single port)
1000BASE-LX
Link
Phy
Activity
TX
RX
450-1LX MDA
4
3
BS45045A
Figure 5. 1000BASE-LX MDA Front Panels
19
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•
•
The 450-1LR MDA is a single MAC MDA with a
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 conform to the IEEE 802.3z 1000BASE-LX
standard and 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 25).
Table 6 describes the 1000BASE-LX MDA components
and LEDs.
For installation instructions, see “Installing an MDA” on
page 22.
20
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Table 6.
1000BASE-LX MDA Description
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 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
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-X SC port connectors (see
“1000BASE-LX Multimode Applications” on
page 25 for special requirements).
21
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Installing an MDA
The Uplink Module slot on supported BayStack and
Accelar switches can accommodate 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 MDAs are not hot-swappable. Power down
the BayStack switch or disconnect the Accelar module
from the switch backplane before installing or
removing an MDA.
To install an MDA into the Uplink Module slots:
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 24.
3. Insert the MDA into the Uplink Module card
guides (Figure 6).
Make sure the MDA slides in on the card guides.
Failure to align the MDA to the card guides could
damage the pins.
22
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1
2
3
25 26 27 28
Uplink/Expansion Module
100
10
F
Dx
Activity
400-4TX MDA
1 = Card guides
2 = Uplink module slot
3 = BayStack or Accelar switch
BS45059B
Figure 6. Installing an MDA
4. Press the MDA firmly into the Uplink Module slot.
Be sure that the MDA is fully seated into the mating
connector.
5. Secure the MDA by tightening the thumb screws
on the MDA front panel.
6. Attach devices to the MDA ports.
Refer to your device user guide for instructions on
attaching devices to the MDA ports.
23
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After connecting the port cables, follow the instructions in
that guide 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 in a BayStack switch
with another type of MDA, 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 Nortel Networks
logo screen to appear (approximately 20 seconds);
then power down the switch.
4. Install the replacement MDA.
Be sure to tighten the two thumbscrews on the
firmly
MDA front panel.
5. Power up the switch.
24
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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
Nortel Networks sales representative for more information
about the SMF/MMF patch cord.
The 1000BASE-LX transceiver is designed to
mechanically accomodate the
used
single-mode ferrules
on one end of the special offset SMF/MMF patch cord.
must not be used because they can
Multimode ferrules
bind and cause damage to the transceiver. Do not connect
multimode cables into the 1000BASE-LX MDA
directly
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
(Nortel Networks part number 201540-B)
Considerations
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.
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