Sony WI-1000XM2 Noise-Canceling Wireless In-Ear Headphones (Black) - Manual (Page 60)

60
TALLY/CONTACT connector input
connection example
Switch or relay connection
Open-collector connection
TALLY/CONTACT connector output
connection example
Input waveform of TALLY/CONTACT
connector
External device RM-IP500
10 k
Ω
47 k
Ω
47 k Ω
+3.3 V
External device RM-IP500
10 k
Ω
47 k
Ω
47 k Ω
+3.3 V
External device RM-IP500
Recommended voltage: 5 V
(Maximum 24 V)
Maximum load
current: 100 mA
4.7
Ω
Load
90%
10%
Tfall Trise
Thigh Tlow
Approx. 2.7 V
(open voltage)
In Expand mode, the following can also
be applied:
0.2 V or less
(closed voltage)
Tfall, Trise: within 5 msec
Tlow, Thigh: 33 msec or more
Tskew: within 0.5 msec
Thold: 33 msec or more
Thold
Tally in 1
Tally in 2
Tally in 7
Tskew Tskew