| 1. | Reed relay technology in stored program control exchange finally quieted the environment.
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| 2. | Reed relays are smaller and cheaper, thus better suited to data storage.
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| 3. | Reed relays required none of this.
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| 4. | Reed relays can switch faster than larger relays and require very little power from the control circuit.
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| 5. | There is therefore a 5? switching matrix of reed relays, which constituted the A-switch.
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| 6. | A relay, usually a reed relay, has its contacts coated with a small quantity of mercury.
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| 7. | At the other end, similar relays steered the incoming digits from the tone decoder to a reed relay memory.
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| 8. | The changeover of the relays was controlled by a series of reed relays whose reed inserts were wetted with mercury.
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| 9. | The switching in TXE2s was carried out by reed relays and a typical TXE2 contained about 100, 000 reeds.
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| 10. | Rather than the reed relay matrix of the 1ESS, it used the minibar, a version of the crossbar switch.
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