### DataFire SYNC/570i-56 Specifications

Power Requirements | 1.5A @ +5 VD
V40mA @ -5
25mA ± 12V
Switched 56K CSU/DSU | 34mA @ -5 VDC ± 5%
24mA @ +12 VDC ± 5%
24mA @ -12 VDC ± 5%
CSU/DSU Transmit Pair
Output Impedance | 135 ohm ± 10%
Output Pulse | 50 ± 5%
Output Amplitude | 2.8V ± 0.1V
CSU/DSU Receive Pair
Impedance | 135 ohm ± 10%
Input Levels | Maximum line loss of 43db
Temperature | 10º to 55º C (50º to 131ºF)
Relative Humidity | 5% to 90%, non-condensing
Air Movement | 30 CFM Forced
Altitude | 0 to 3658 meters (12000 ft.)
Compliance | AT&T Technical Publication 62310
AT&T Technical Publication 41458