Yaesu SCU-17 Manuel D'instruction page 15

Specifications
Supply Voltage:
Current Consumption: 130 mA
Data Jack:
FSK/PTT Jack:
AUDIO Jack:
CAT/RS-232C Jack:
USB Connector:
Case Size:
Weight (approx.):
DC 5.0 V ±5%, Negative Ground
PTT: Maximum output +25 V, 50 mA (open collector)
FSK: Maximum output +25 V, 50 mA (open collector)
DATA-IN: 100 mVrms @ 10 k Ohms
DATA-OUT: 100 mVrms @ 600 Ohms
PTT: Maximum output +30 V, 250 mA (open drain)
FSK: Maximum output +30 V, 250 mA (open drain)
AUDIO-IN: 100 mVrms @ 600 Ohms
AUDIO-OUT: 100 mVrms @ 600 Ohms
RS-232C voltage level
USB 1.1 or USB 2.0, USB bus power
111 x 25.4 x 74.0 mm
230 g