Nortel-networks 302403-B Manual do Utilizador

Part No. 302403-B Rev 00January 1999 Installing Media Dependent Adapters (MDA)s302403-B.mkr Page -1 Friday, January 15, 1999 2:56 PM

8Figure 2. 100BASE-FX MDA Front PanelsTable 2 describes the 100BASE-FX components and LEDs.For installation instructions, see “Installing an MDA” on

9Table 2. 100BASE-FX MDA ComponentsItem Label Description1 Link Communications link LEDs (green):On: Valid communications link established.Off: The c

101000BASE-SX MDAsThere are two 1000BASE-SX (shortwave gigabit) MDA models:• The 450-1SR MDA is a single MAC MDA with a separate redundant Phy (backu

11Figure 3. 1000BASE-SX MDA Front PanelsTable 3 describes the 1000BASE-SX components and LEDs.For installation instructions, see “Installing an MDA”

12Table 3. 1000BASE-SX MDA ComponentsItem Label Description1 Link Communication link LEDs (green):On: Valid communications link.Off: The communicatio

131000BASE-LX MDAsThere are two 1000BASE-LX (longwave gigabit) MDA models:• The 450-1LR MDA is a single MAC MDA with a separate redundant Phy (backup

14Figure 4. 1000BASE-LX MDA Front PanelsTable 4 describes the 1000BASE-LX MDA components and LEDs.For installation instructions, see “Installing an M

15Table 4. 1000BASE-LX MDA ComponentsItem Label Description1 Link Communication link LEDs (green):On: Valid communications link.Off: The communicatio

161000BASE-LX Multimode ApplicationsFor 1000BASE-LX multimode applications, the longwave gigabit transceivers must be mode conditioned externally via

17Installing an MDAThe Uplink Module slot on the BayStack 450 switches accommodates a single MDA. The connection can be either an RJ-45 10/100BASE-TX

© 1999 by Bay Networks, Inc.All rights reserved.TrademarksBay Networks is a registered trademark and BayStack is a trademark of Bay Networks, Inc. Al

183. Insert the MDA into the chassis slot (see Figure 5) taking care to slide the MDA onto the guides provided on the chassis.Figure 5. Installing an

19After connecting the port cables, continue to follow the instructions in that manual to connect power and verify the installation.Replacing an MDA

1IntroductionThis document provides procedures for installing optional plug-in media dependent adapters (MDAs) into supported Bay Networks products e

2Bay Networks is constantly adding new models and features to existing product lines; see your Bay Networks sales representative for a full range of

3Figure 1. 400-4TX MDA Front PanelTable 1. 400-4TX MDA ComponentsItem Label Description1100 100BASE-TX port status LEDs (green):On: The corresponding

4The RJ-45 ports are configured as media-dependent interface-crossover (MDI-X) connectors. These ports connect over straight cables to the network in

5conventional Ethernet repeater hub. If you are connecting to another Ethernet hub or Ethernet switch, you need a crossover cable unless an MDI conne

6Warning: Fiber optic equipment can emit laser or infrared light that can injure your eyes. Never look into an optical fiber or connector port. Alway

7Advertencia: Los equipos de fibra óptica pueden emitir radiaciones de láser o infrarrojas que pueden dañar los ojos. No mire nunca en el interior de