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8237 Hub Installation and Planning Guide
4-8. Back View: Removing the Fan-Guard Screws ..................................... 4-11
4-9. Remove the RMON Daughter Board ................................................... 4-11
4-10. SIMM Removal .................................................................................... 4-12
4-11. SIMM Replacement ............................................................................. 4-12
4-12. Removing the Top-Cover Screws ........................................................ 4-13
4-13. Back View: Removing the Fan-Guard Screws ..................................... 4-13
4-14. View of RMON Daughter Board and SIMM ......................................... 4-14
4-15. SIMM Removal .................................................................................... 4-14
4-16. SIMM Replacement ............................................................................ 4-15
4-17. Removing the Mounting-Bracket Screws ............................................. 4-15
4-18. 8237 Back View ................................................................................... 4-16
4-19. Fan Replacement ................................................................................ 4-16
4-20. 8237 Field-Replaceable Parts .............................................................. 4-18
A-1. Straight-Through UTP Cable (RJ-45 to RJ-45), T568-A ....................... A-1
A-2. Straight-Through UTP Cable (RJ-45 to RJ-45), T568-B ....................... A-1
A-3. Straight-Through STP Cable (RJ-45 to IBM Data Connector) .............. A-2
A-4. Crossover UTP Cable (RJ-45 to RJ-45), T568-A ................................. A-2
A-5. Crossover UTP Cable (RJ-45 to RJ-45), T568-B ................................. A-2
A-6. Crossover STP Cable (RJ-45 to IBM Data Connector) ........................ A-3
A-7. Null-Modem Cable Connection ............................................................. A-3
Tables
1-1 Maximum Segment Lengths for the Supported Ethernet Types ............ 1-9
1-2 Noise Emission Characteristics of the 8237 ........................................ 1-14
3-1 Status LED Explanations ..................................................................... 3-44
3-2 Port LED Explanations ......................................................................... 3-45
4-1 LED Symptom/Fix Table ........................................................................ 4-1
4-2 Field-Replaceable Parts List ................................................................ 4-17
4-3 Features That Can Be Purchased ....................................................... 4-19
4-4 8237 Power Cords by Country ............................................................. 4-19
Summary of Contents for 8237
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