Nortel Networks BayStack 893-862-B User's Manual
Contents
1. For information about a wide range of customer support services call 1 800 2LANWAN 10 893 862 B2. 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 0 893 862 B BayStack Single Mode Fiber Media Adapter The optical power budget for the single mode fiber media adapter is shown in Table 1 Power loss in the link cannot exceed the value for the type of fiber optic cable you are using Table 3 Single mode fiber optical power budget Parameter 9 125 um Transmitted power average 29 0 dBm Receiver sensitivity average 35 5 dBm Optical power budget 6 5 dB Only in line fiber to fiber connections a connection between two fibers terminated 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 is included in the optical power budget and does not count as an in line connection NOTE Your fiber connection must meet the optical power budget and the Ethernet repeater rules for your network 6 893 862 B Installing a Media Adapter in a BayStack Hub A BayStack 1OBASE FL media adapter is installed in a slot on the front of the BayStack 1 OBASE 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 media adapter slot on the front panel of the hub 3 Install the media adapter into the media adapter slot a A
3. budget for the 1OBASE FL media adapter is shown in Table 1 Power loss in the link cannot exceed the value for the type of fiber optic cable you are using Table 1 10BASE FL Optical power budget Parameter 62 5 125 um 50 125 um Transmitted power average 20 0 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 terminated 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 is included in the optical power budget and does not count as an in line connection 4 893 862 B Table 2 lists the most common cable and connector combinations for the 10BASE FL media adapter 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 2 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
4. 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 893 862 B 9 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 declaration of conformance see Using the BayStack 10BASE T Hubs Bay Networks part number 893 839 A Bay Networks Customer Support
5. Using the BayStack Ethernet Fiber Media Adapters GIS Bay Networks Bay Networks Inc Corporate Headquarters 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 March 1996 893 862 B 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 1OBASE 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 e Ph
6. lign 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 CAUTION Do not force or overtighten the captive retaining screw on the media adapter 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 893 862 B 7 6 Verify the installation for the media adapter Observe for the installed media adapter that the respective Media Adapter LEDs on the front panel of the hub light according to Table 4 Table 4 Media adapter status LEDs Hub media Media adapter status adapter 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 893 862 B 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 fr
7. om 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 than Bay Networks or an approved agent will void this warranty The maximum liability of Bay Networks under this warranty is limited to the
8. one 1 800 845 9523 FAX U S Canada 1 800 582 8000 International 1 916 939 1010 Introduction This guide describes the Bay Networks 10BASE FL fiber link and single mode fiber media adapters for the BayStack 10BASE T Hubs and provides instructions for installing connecting and configuring the adapters in the hub Each BayStack fiber media adapter provides one nonredundant single or multimode fiber port for flexible backbone connectivity to your BayStack 1OBASE T Hub Both adapters employ 1OBASE FL signaling technology The BayStack 10BASE T Hub provides two Media Adapter LEDs to indicate the status of the hub media adapter ports A and B For more information about interpreting media adapter LEDs refer to Chapter 1 Quick Reference Information in Using the BayStack IOBASE T Hubs This guide contains the following sections e BayStack 1OBASE FL Media Adapter e BayStack Single Mode Fiber Media Adapter 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 893 862 B 1 BayStack 10BASE FL Media Adapter The BayStack 1OBASE FL Media Adapter is a modular 10BASE FL fiber link port It is designed to be installed in either media adapter slot of a BayStack 1OBASE T Hub The port is compatible with the IEEE 802 3 1OBASE FL specification fo
9. r Ethernet running over 62 5 125 um or 50 125 um multimode fiber optic cable 10BASE FL 5956 Connection is made to the port using two straight tip ST connectors Tx and Rx For more information about multimode fiber optic cable connection and limitations see Fiber Optic Cable Length Limitations later in this guide 2 893 862 B BayStack Single Mode Fiber Media Adapter The BayStack Single Mode Fiber Media Adapter is a modular port supporting 1OBASE F signaling It is designed to be installed in the media adapter slot of any BayStack 1OBASE T Hub The port conforms to Bay Networks proprietary standards for Ethernet running over 9 125 um single mode fiber optic cable No JEEE or other international standards exist for this configuration at this time Single Mode Fiber 6770 Connection is made to the port using two straight tip ST connectors Tx and Rx For more information about single mode fiber optic cable connection and limitations see Fiber Optic Cable Length Limitations next in this guide 893 862 B 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 e Optical power budget Ethernet repeater rules For more information about simple rules for Ethernet network compliance refer to Using the BayStack IOBASE T Hubs BayStack 10BASE FL Media Adapter The optical power
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