econet
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econet [2013-10-03 13:15] – tim | econet [2013-10-03 13:25] – tim | ||
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Option 2: [[http:// | Option 2: [[http:// | ||
- | Option 3: Build our own clock with an ATtiny and a differential driver IC. Would need to consider the maximum speed at which the ATtiny could maintain a clean clock signal. If we take this option, | + | Option 3: Build our own clock with an ATtiny and a differential driver IC. Would need to consider the maximum speed at which the ATtiny could maintain a clean clock signal. If we take this option, |
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+ | ===== Cables ===== | ||
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+ | 5-pin Male to 5-pin Male. One is required for each workstation to connect to a junction, and one between each junction. | ||
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+ | Tim recommends buying some cheap ready-made cables from ebay (usually sold for audio or MIDI applications). Make sure that the cables have all 5 pins fully-connected. | ||
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+ | We can make our own cable if we need to link further than 5M (e.g. across the length of the lab). | ||
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+ | We should also consider whether to span between G1 and G8. It should be possible to use the spare CAT5 port next to galahad and patch that into G8. | ||
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+ | Tim has a stock of 6-core shielded cable that would be suitable for custom cables. | ||
===== Terminators ===== | ===== Terminators ===== | ||
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| 1 | 10uF 16V tantalum capacitor | | | 1 | 10uF 16V tantalum capacitor | | ||
- | We will probably need to purchase 1/4W resistors as most of our stock is 1/2W | + | We will probably need to purchase 1/4W resistors as most of our stock is 1/2W. |
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+ | We would require two terminators, | ||
===== BBC Master Upgrade Modules ===== | ===== BBC Master Upgrade Modules ===== |
econet.txt · Last modified: 2015-10-05 15:55 by 127.0.0.1