S2 User Handbook
23
Pin 5: Opto isolated +VE slave alarm NPN emitter.
Pin 6: Opto isolated -VE master alarm NPN collector.
Pin 7: Opto isolated -VE master alarm NPN emitter.
Pin 8: Opto isolated -VE slave alarm NPN collector.
Pin 9: Opto isolated -VE slave alarm NPN emitter.
Pin 10: Opto isolated +VD master alarm NPN collector.
Pin 11: Opto isolated +VD master alarm NPN emitter.
Pin 12: Opto isolated +VD slave alarm NPN collector.
Pin 13: Opto isolated +VD slave alarm NPN emitter.
Pin 14: Opto isolated +48 master alarm NPN collector.
Pin 15: Opto isolated +48 master alarm NPN emitter.
Pin 16: Opto isolated +48 slave alarm NPN collector.
Pin 17: Opto isolated +48 slave alarm NPN emitter.
Pin 18: Opto isolated master active NPN collector.
Pin 19: Opto isolated master active NPN emitter.
Pin 20: Opto isolated slave active NPN collector.
Pin 21: Opto isolated slave active NPN emitter.
Pin 22: Master alarm relay contact 1 (makes to pin 23).
Pin 23: Master alarm relay contact 2 (makes to pin 22).
Pin 24: 0V.
Pin 25: 0V.
Dimensions (S2-PSUS)
(Raw): 48cm (W) x 23cm (D) x 4.4cm (H)
19” (W) x 9” (D) x 1.7” (H)
(Boxed): 55cm (W) x 39.3cm (D) x 8.5cm (H)
21.6” (W) x 15.5” (D) x 3.4” (H)
Weight (S2-PSUS)
Nett: 1.58kg (3.5lbs) Gross: 2kg (4.4lbs)
Important Notes:
Note 1: S2-PSU units manufactured before June 2006 will need to be modied for use with
the S2-PSUS. Contact Sonifex with the serial number of your unit if you wish to add-on the
S2-PSUS power supply switcher.
Note 2: The S2-PSUS has been redesigned (from April 2011) to work with both the new 1U
S2-PSU and older 2U S2-PSU power supplies. S2-PSUS units with a serial number greater
than 16948 are able to work with either S2 power supply, but serial numbers lower than this,
only operate with the 2U S2-PSU.
Please Note:
There are two jumpers inside the unit to congure it to work with the two types of S2 Power
Supply that have been manufactured: the original 2U 19” rack power supply and the new
universal input voltage 1U 19” rack style power supply.
POWER SUPPLY
POWER SUPPLY
3
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