Sony WI-C300 Wireless In-Ear Headphones (Red) - Manual (Page 26)

Ap
pen
dix
Specifications
GB 26
Example connection of TALLY/
CONTACT connector for input
Switch or relay connection
Open collector connection
Example connection of TALLY/
CONTACT connector for output
If an inrush or reverse voltage that is over the rating is
applied to the TALLY/CONTACT connector, it may
cause a malfunction, smoke, or fire.
Input Waveform of TALLY/
CONTACT Connector
External device RM-IP10
10 k
Ω
47 k Ω
47 k
Ω
+ 3.3 V
External device RM-IP10
10 k
Ω
47 k
Ω
47 k Ω
+ 3.3 V
External device RM-IP10
Recommended voltage: 5 V
(Maximum 24 V)
Maximum load
current: 100 mA
4.7
Ω
Load
WARNING
90%
10%
Tfall Trise
Thigh Tlow
Approx. 2.7 V
(open voltage)
Thold
Tally in 1
Tally in 2
Tally in 7
Tskew Tskew
0.2 V or less
(closed voltage)
Tfall, Trise: within 5 msec
Tlow, Thigh: 33 msec or more
In the Expand mode, the following can also
be applied:
Tskew: within 0.5 msec
Thold: 33 msec or more