Features: · Uko INTERFACE (DC) and MAINS (AC) inputs to enable NPM (Normal Power Mode) and RPM (Restricted Power Mode) CONDITIONS· INPUT FILTER TO MEET EMI requirements· PEAK INPUT OVERVOLTAGE WITHSTANDING· AC INPUT PROTECTION FUSE· INPUTS TO OUTPUTS INSULATION· 2 INSULATED OUTPUTS: Vo1=5 V for NT...
COMBIE1-I: Features: · Uko INTERFACE (DC) and MAINS (AC) inputs to enable NPM (Normal Power Mode) and RPM (Restricted Power Mode) CONDITIONS· INPUT FILTER TO MEET EMI requirements· PEAK INPUT OVERVOLTAGE WITHS...
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Features: · Uko INTERFACE (DC) and MAINS (AC) inputs to enable NPM (Normal Power Mode) and RPM (Re...
The NT1 Power Management Module COMBI/E1- I is a comprehensive solution for ISDN-NT1 (Network Termination Basic Access NTBA) equipment, combining both AC-DC and DC-DC functions.
The GS-COMBI/E1-I provide the NTBA with all necessary supply voltages as well as control signals to operate in the different operating modes, typically the Normal Power Mode (NPM) and Restricted Power Mode (RPM).
Connected to the main, Input 1 (2 poles AC connector) is the AC input power to the COMBI/E1-I, source of the whole necessary power in normal operating mode, namely in NPM. Input 2 is the DC power source when in RPM, therefore to connect to the U-INTERFACE.
COMBIE1-I supply 5V (out 1) for logics and 40 V (out 2) for the S interface both in Normal Power Mode (NPM) and in Restricted Power Mode (RPM).
RPM mode COMBIE1-I is the emergency condition that occurs if the mains (AC) input is not available. An internal "relay function" is available to reverse the 40 V output polarity. A third auxiliary output can be used for LEDs driving and RPM/NPM mode acknowledge (Logic output).
COMBIE1-I Logic output becomes high (+5V) when in NPM condition.
PS1 and PS2 signal overload at the S-interface (PS1 in NPM and PS2 in RPM)
The converter COMBIE1-I offers short-circuit protection on both outputs: particularly, short-circuit on 40V output doesn't affect the +5V output.
Out 1, out 2... out 5 share the same common return. 3000 VRMS insulation voltage for 60 seconds (reinforced insulation) is provided among input 1 and all outputs. Same reinforced insulation is also provided between Input 1 and Input 2.
2000 VRMS / 1 min. reinforced insulation is provided between input 2 and all outputs.
When in NPM mode (AC main supply), the module max. power consumption is <15 VA (apparent power).
COMBIE1-I Input 2 undervoltage lockout offers high impedance in order to have 10 uA max input current when Vi2 is <18 Volts.
The design of COMBIE1-I has been conducted using the following reference standards: EN 60950, VDE0878 part 1 class B (EMC), EN55022 class B (emission), EN50 082-1 (immunity)
ITU-T I.430, ETS 300 012 and ETR 080 and ETS300 047 (ISDN BASIC ACCESS, Safety and Protection); anyway, please note that no certification processes have been carried out on the module itself.