Spectrum Pro User Manual
Copyright © 2017, International Technologies & Systems Corp. All rights reserved.
Page 7 of 15
6. Specifications
6.1 Supply power
- Supply voltage:
DC 5V without supporting latch
Additional DC 12V to support latch if latch is needed
- Operating current
o Idle – 100mA
o Max – 120mA
- USB suspend current: 200 uA
- Sleep mode current: 20 uA
- Stop mode current:
with UART wakeup, 16 uA
with no UART wakeup, 10 uA
- Reader falls into sleep mode after it is idle for specified time duration. The default
time duration is 120 seconds. (This can be adjusted, or even disabled.)
- Reader can be commanded to go to Stop mode (which is a special very-low-power
consumption mode).
- Reader can wake up from Sleep mode by card insertion or via UART command.
Response time: < 100 ms.
- Reader can wake up from Stop mode by card insertion.
- Power-Off to Power-On time: < 500 ms
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