Summary of Contents for Bay Networks BayStack Fiber Media Adapter
- Page 1 Using the BayStack Ethernet Redundant Fiber Media Adapter Bay Networks, Inc. Corporate Headquarters 4401 Great America Parkway Santa Clara, CA 95054 March 1996 893-863-A 8 Federal Street Billerica, MA 01821...
- Page 2 © 1996 by Bay Networks, Inc. All rights reserved. Trademarks Bay Networks, BayStack, and Bay Networks Press are trademarks of Bay Networks, Inc. Other brand and product names are registered trademarks or trademarks of their respective holders. Statement of Conditions In the interest of improving internal design, operational function, and/or reliability, Bay Networks, Inc.
- Page 3 Introduction This guide describes the Bay Networks 10BASE-FL RDN Media Adapter for the BayStack 10BASE-T Hubs and provides instructions for installing, connecting, and configuring the adapter in the hub. Each BayStack 10BASE-FL RDN Media Adapter consists of one optional 10BASE-FL port that provides flexible, redundant backbone connectivity and two diagnostic LEDs.
- Page 4 BayStack 10BASE-FL RDN Media Adapter The BayStack 10BASE-FL RDN Media Adapter is a modular 10BASE-FL port. The port is compatible with the IEEE 802.3 10BASE-FL specification for Ethernet running over 62.5/125 m or 50/125 m multimode fiber optic cable. 10BASE-FL (fiber link) asynchronous signaling is fully interoperable with fiber optic interrepeater link (FOIRL).
- Page 5 LEDs The BayStack 10BASE-FL RDN Media Adapter provides LEDs to indicate remote signaling and redundant link status. These LEDs are used in combination with the BayStack 10BASE-T Hub “Media Adapter” LED to indicate the status of the active and standby link. Table 1 describes the redundant 10BASE-FL media adapter LEDs.
- Page 6 Table 2 describes the LED combinations of the hub “Media Adapter” LED and the redundant fiber media adapter LEDs. Table 2. LED status combinations Hub LED Rem Green Green Green Amber Green Green Amber Green Amber Standby link in a redundant pair is Amber Amber Amber Standby link in a redundant pair is Amber Standby link in a redundant pair has failed...
- Page 7 Redundant Enable Jumper Jumper JP1 is used to set the port to operate in the redundant port mode. The 10BASE-FL RDN Media Adapter is shipped with the redundant port mode set to off. Jumper 1 Default mode To set the port to operate in the redundant port mode, perform the following steps: •...
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Page 8: Redundant Links
Redundant Links The BayStack 10BASE-FL RDN Media Adapter supports redundant links between Bay Networks BayStack Ethernet hubs, System 5000 hubs, and other Bay Networks hubs that support redundant links. If one fiber connection in a redundant pair breaks, the standby link automatically takes over in less than 10 microseconds. - Page 9 For a pair of ports to operate in redundant mode: • Enable the JP1 jumper for redundant port mode on both of the media adapters in the redundant port pair. For more information about this jumper, see “Redundant Enable Jumper” earlier in this guide. •...
- Page 10 Fiber Optic Cable Length Limitations The 10BASE-F standard permits you to use fiber optic cables up to 2000 meters long. However, the fiber connection must meet the following criteria: • Optical power budget (shown in Table 3) • Ethernet repeater rules For more information about simple rules for Ethernet network compliance, refer to Using the BayStack 10BASE-T Hubs.
- Page 11 Table 4 lists the most common cable and connector combina- tions, assuming the maximum permitted attenuation with ST connectors. The table lists the maximum (total) distance allowed in the fiber connection. However, your fiber connection may have to be shorter to meet the optical power budget and Ethernet repeater rules.
- Page 12 Installing a Media Adapter in a BayStack Hub The BayStack 10BASE-FL RDN Media Adapter is installed in a slot on the front of the BayStack 10BASE-T Hub. To install a media adapter, follow these steps: 1. Unplug the BayStack 10BASE-T Hub power cord from the AC power source.
- Page 13 6. Verify the installation for the media adapter. Observe for the installed media adapter that the respective Media Adapter LED on the front panel of the hub lights according to Table 5. Table 5. Media adapter status LEDs Hub media adapter LEDs Green Amber...
- Page 14 Bay Networks, Inc. One-year Limited Hardware Warranty Bay Networks warrants this hardware product will be free from defects in material and workmanship for a period of one (1) year under normal operating conditions from the date of original purchase. Should you discover a defect in material or workmanship within this warranty period, Bay Networks will repair or replace the defective product when it is returned to Bay Networks, shipping prepaid.
- Page 15 Electromagnetic Emissions Meets requirements of: FCC Part 15, Class A Digital Devices VCCI Class 1 ITE EN 55 022 (CISPR 22, Class B) General License Vfg 243 (Class B) Compliance with the VCCI regulation is dependent upon the use of shielded AC power cables.
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