Power Supply Specifications - Telenetics MIU Dial or Leased Line modem with RS-485 Installation & Operation Manual

4. POWER SUPPLY SPECIFICATIONS

The MIUXXX/485 contains a low quiescent power regulator. TheMIUXXX/485 also has
a "low power" standby mode which minimizes overall power requirements when the
MIUXXX/485 is used intermittently.
4.1 Power Supply Selection (MIU) The power supply is selected through the use of
Power Connector P3 (MIU)
Connector Type:
Regulated Powe r Supply Range: 48.0 to 220 Volts AC/DC.
Standby Supply Currents:
Active Supply Currents:
In-Rush Current:
Reverse Protection Method:
Over-Voltage Clamp limits:
Regulated Power Supply Range: (12 - 24VDC) is available as an option
Standby Supply Currents:
Active Supply Currents:
In-Rush Current:
Reverse Protection Method:
Over- Voltage Clamp limits:
Install Op and Diags for MIU Modems and RS485 (0049-0002-010A)
a 3-pin screw - type terminal connector.
3 Pin screw- type terminal
200uA
8mA to 40mA plus modem current
< 250mA
Full wave Bridge Rectifier
Zener diode
200uA
35mA to 295mA plus modem current
< 350mA
Full Wave Bridge Rectifier
Zener diode and TransZorb TVS
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