Bay Technical Associates BayStack Fiber Media Adapter User's Manual
Contents
1. e Phone 1 800 845 9523 e FAX U S Canada 1 800 582 8000 International 1 916 939 1010 Introduction This guide describes the Bay Networks 1OBASE FL RDN Media Adapter for the BayStack 1OBASE T Hubs and provides instructions for installing connecting and configuring the adapter in the hub Each BayStack 1OBASE FL RDN Media Adapter consists of one optional 1OBASE FL port that provides flexible redundant backbone connectivity and two diagnostic LEDs This guide contains the following sections e BayStack 1OBASE FL RDN Media Adapter e LEDs e Jumper e Remote Signaling e Redundant Links e Fiber Optic Cable Length Limitations e Installing a Media Adapter in a BayStack Hub For more information about how the media adapter operates in the hub refer to Using the BayStack 10BASE T Hubs Bay Networks part number 893 839 B For more information about hub compatibility with the LOBASE FL RDN Media Adapter refer to Release Notes for the BayStack IOBASE T Hubs Bay Networks part number 896 086 A 893 863 A 1 BayStack 10BASE FL RDN Media Adapter The BayStack 1OBASE FL RDN Media Adapter is a modular 10BASE FL port The port is compatible with the IEEE 802 3 1OBASE FL specification for Ethernet running over 62 5 125 um or 50 125 um multimode fiber optic cable 10BASE FL fiber link asynchronous signaling is fully interoperable with fiber optic interrepeater link FOIRL Remote signaling and redundant links are also supporte2. declaration of conformance see Using the BayStack 10BASE T Hubs Bay Networks part number 893 839 A Bay Networks Customer Support For information about a wide range of customer support services call 1 800 2LANWAN 893 863 A 13
3. GA IAS AAG Ta aia kjolen exam C Redundant pairs 5977 6 893 863 A For a pair of ports to operate in redundant mode e 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 e Disable any redundant port mode on the port at the other end of each redundant link A Rdn LED media adapter indicates redundant link status For more information about this LED see LEDs earlier in this guide 893 863 A 7 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 e 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 IOBASE T Hubs The optical power budget is shown in Table 3 Power loss in the link cannot exceed the value for the type of fiber optic cable you are using Table 3 1OBASE FL RDN Media Adapter Power Budget Parameter 62 5 125 um 50 125 um Transmitted power average 20 dBm 25 7 dBm Receiver sensitivity average 32 5 dBm 32 5 dBm Optical power budget 12 5 dB 6 8 dB Only in line fiber to fiber connections a connection between two fibers termina
4. Using the BayStack Ethernet Redundant Fiber Media Adapter GIS Bay Networks Bay Networks Inc Corporate Headquarters 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 March 1996 S9S e 637A 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 reserves the right to make changes to the products described in this document without notice Bay Networks Inc does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Related Publications For more information about the installation and use of BayStack hubs and optional equipment refer to the following publications e Using the BayStack 10BASE T Hubs Bay Networks part number 893 839 B e Using the BayStack Ethernet Network Management Modules Bay Networks part number 893 841 A Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publications order by part number from Bay Networks Press at the following numbers You may also request a free catalog of Bay Networks Press product publications
5. d The redundant 10BASE FL media adapter provides Rem remote and Rdn redundant status LEDs Jumpers allow you to set remote and redundant link configuration Connection is made to the port using two fiber optic straight tip ST connectors Tx and Rx 10BASE FL RDN 5957 For more information on fiber optic cable connection and limitation see Fiber Optic Cable Length Limitations later in this guide 2 893 863 A LEDs The BayStack 1OBASE FL RDN Media Adapter provides LEDs to indicate remote signaling and redundant link status These LEDs are used in combination with the BayStack 1OBASE T Hub Media Adapter LED to indicate the status of the active and standby link Table 1 describes the redundant 1OBASE FL media adapter LEDs Table 1 10BASE FL RDN Media Adapter LEDs Label Color Meaning Rem Green Fiber port is connected to a remote port that uses remote signaling and that port is not sending a remote fault signal both Tx and Rx connections are good Amber Fiber port is connected to a remote port that uses remote signaling but the Tx link to the remote Rx connector detects a remote fault Off Fiber port is not connected to another port that is capable of remote signaling Rdn Green Port is in redundant mode and detects no fault Amber Port is in redundant mode but this redundant port connection has failed Off Port is not in redundant mode 893 863 A Table 2 d
6. edia adapter slot on the front panel of the hub 3 Install the media adapter into the media adapter slot a Align the media adapter with the card guides and gently slide in the media adapter until you feel it align with the connector on the hub motherboard b Firmly push the media adapter into the connector captive retaining screw on the media adapter CAUTION Do not force or overtighten the c Tighten the captive retaining screw on the media adapter by turning the screw clockwise 4 Reconnect the power cord The hub powers up and performs a self test 5 Make appropriate cable connections For cabling information see the section earlier in this guide that refers to the media adapter you are installing 10 893 863 A 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 10BASE FL RDN Media Adapter LEDs LEDs Green Link status is good port not partitioned Amber Off Link status is good port is partitioned Link status is bad or connection is not present For more information about interpreting media adapter LEDs refer to Chapter 1 Quick Reference Information in Using the BayStack 1OBASE T Hubs 893 863 A Bay Networks Inc One year Limited Hardware Warranty Bay Networks warrants this
7. escribes the LED combinations of the hub Media Adapter LED and the redundant fiber media adapter LEDs Table 2 LED status combinations Hub LED Rem Rdn Meaning Green Green Green Active link in a redundant port pair link status is good and remote link is good Amber Green Green Standby link in a redundant pair link status is good and remote link is good Amber Green Amber Standby link in a redundant pair is partitioned or not ready remote link is good but port is partitioned by detection of a local fault or possibly network management Amber Amber Amber Standby link in a redundant pair is partitioned for remote fault check Tx link Off Off Amber Standby link in a redundant pair has failed connection check Tx and Rx links Remote Signaling The BayStack 1OBASE FL RDN Media Adapter supports remote signaling to indicate a far end receiver failure remote fault detection Bay Networks uses a proprietary version of remote fault signaling because remote signaling is not specified in the IEEE 802 3 1OBASE FL standard Remote signaling is used to verify the connection status of both the transmit and receive fibers A Rem LED on the media adapter indicates remote signaling status For more information about this LED see LEDs earlier in this guide 4 893 863 A Redundant Enable Jumper Jumper JP1 is used to set the port to operate in the redundant port mode The 1OBASE FL RDN Media Adapter is shipped wi
8. 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 Replacement Products may be refurbished or contain refurbished materials If you purchased this product through a Bay Networks reseller please contact that reseller for return instructions Prior to returning any Product you or the reseller must obtain a Return Materials Authorization RMA number from Bay Networks If Bay Networks by its sole determination is unable to repair or replace the defective product it will refund the purchase price of the product For products repaired or replaced by Bay Networks under this warranty the warranty will continue to apply for the unexpired period of the original one 1 year warranty or for ninety 90 days following delivery of the repaired or replacement product to you whichever is longer This warranty does not apply if in the judgment of Bay Networks the Product fails due to damage from shipment handling storage accident abuse or misuse or if it has been used or maintained in a manner not conforming to product manual instructions has been modified in any way or has had any serial number removed or defaced Repair by anyone other tha
9. n Bay Networks or an approved agent will void this warranty The maximum liability of Bay Networks under this warranty is limited to the purchase price of the product covered by the warranty EXCEPT AS SPECIFICALLY PROVIDED IN THIS AGREEMENT OR AS REQUIRED BY LAW THE WARRANTIES AND REMEDIES STATED ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHERS ORAL OR WRITTEN EXPRESS OR IMPLIED ANY AND ALL OTHER WARRANTIES INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS ARE EXPRESSLY EXCLUDED BAY NETWORKS SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANY PERSON FOR ANY SPECIAL INCIDENTAL INDIRECT OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION DAMAGES RESULTING FROM USE OR MALFUNCTION OF THE PRODUCTS LOSS OF DATA LOSS OF PROFITS OR REVENUES OR COSTS OF REPLACEMENT GOODS EVEN IF INFORMED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES 12 893 863 A 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 The user is responsible for procuring the appropriate cables Compliance with Class B regulations is dependent upon the use of shielded cables The user is responsible for procuring the appropriate cables For the complete electromagnetic emissions statements and
10. ted with fiber connectors using a fiber to fiber connector count against the optical power budget The loss in a fiber connection at the ends of the link are included in the optical power budget and does not count as an in line connection 8 893 863 A 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 Table 4 10BASE FL cable and connector combinations Number of in line 62 5 125 um 50 125 um fiber to fiber cable cable connections 0 2000 m 6560 ft 2000 m 6560 ft 1 2000 m 6560 ft 2000 m 6560 ft 2 2000 m 6560 ft 2000 m 6560 ft 3 2000 m 6560 ft 1710 m 5620 ft 4 2000 m 6560 ft 1430 m 4690 ft 5 2000 m 6560 ft 1140 m 3750 ft 6 1750 m 5740 ft 860 m 2810 ft 7 1500 m 4920 ft 570 m 1870 ft 8 1250 m 4100 ft 290 m 940 ft 9 1000 m 3280 ft 0 10 750 m 2460 ft 11 500 m 1640 ft 12 250 m 820 ft 13 0 893 863 A Installing a Media Adapter in a BayStack Hub The BayStack 1OBASE FL RDN Media Adapter is installed in a slot on the front of the BayStack 1OBASE T Hub To install a media adapter follow these steps 1 Unplug the BayStack 10BASE T Hub power cord from the AC power source 2 Remove the filler panel from the m
11. th the redundant port mode set to off i C Jumper 1 Default Redundant mode mode JP1 JP1 il RDN RDN EN Uw Goo Oco 677 To set the port to operate in the redundant port mode perform the following steps e Locate the shunt covering the JP1 jumper pins on the media adapter board e Gently remove the shunt from the two far left pins e Replace the shunt over the two far right pins NOTE Jumpers JP2 JP3 and JP4 are not user configurable 893 863 A Redundant Links The BayStack 1OBASE 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 This redundant link feature allows you to build Ethernet dual homing and mesh type topologies The port at both ends of the fiber connection must support Bay Networks remote signaling A jumper is used to set the redundant 1 OBASE FL media adapter port to operate in redundant mode with a 1OBASE FL fiber port on another hub Active fiber link Tx Rx pair i EEan eaer pola a aa Ss I I POEA EAr ECCS SSNS J alata ach aca ag aCe Kal Jala A
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