Comtech EF Data CIC-50 - Manual (Page 9)

CIC-50 T1/E1 G.703 Interface Converter Preface
Rev.1.0 v
SAFETY NOTICES
ELECTRICAL SAFETY
The CIC-50 1:1 Redundancy Switch has been shown to comply with the following safety
standard:
EN 60950: Safety of Information Technology Equipment, including electrical
business machines
The equipment is rated for operation at +12 volts DC and -12 volts DC. It has a
maximum power consumption of 2.0 watts. The power supply current is, in all
circumstances, supplied by a single Comtech CDM-550/550T Modem.
The User should observe the following instructions:
Equipment Connection
The CIC-50 is designed for operation ONLY with Comtech CDM-550 or CDM-550T
Modems. These Modems supply DC operating current (electronically fused and
protected) and control signals for the correct functioning of this unit. Connection to other
manufacturer’s equipment could result in damage to the unit.
Environmental
The CIC-50 must not be operated in an environment where the unit is exposed to
extremes of temperature outside the ambient range 0 to 500C, precipitation,
condensation, or humid atmospheres above 95% RH, altitudes (un-pressurised) greater
than 2000 meters, excessive dust or vibration, flammable gases, corrosive or explosive
atmospheres.
Operation in vehicles or other transportable installations which are equipped to provide a
stable environment is permitted. If such vehicles do not provide a stable environment,
safety of the equipment to EN60950 may not be guaranteed.