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140 Chapter 11
XMU+ Technical Specifications and Approvals
Handset:
Connector: RJ 22
Input Impedance: 3.2 K
Input level (AGC onset): 50 mV RMS
Input Bias: 5 VDC through 3.2 K
Output Impedance: 6.8 K
Nominal output level: 20 mV (200 load)
Power Supply Cards
Input Voltage:
Large AC: Auto ranging 100 - 240 V 50/60 Hz
Large DC: 40 - 60 VDC
Small AC: Auto ranging 90 - 264 V 50/60 Hz
Small DC: 38 - 60 VDC
Note: DC units are protected from accidental reverse
polarity. See consumption data in Power and Thermal
on page 137.
Output Voltages: Output voltages of +5, +12, and -5 V are supplied to the
XMU+ electronics.
Hot Swap Features:
Status indicator (green if all output voltages nominal)
Hot insertion / extraction management
Soft start
Status detection by control card
Technical Feature... Details...
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