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2. EPMS-07 Modular Plug-In System
2.1. General System Description / Operation
The npi EPMS-07 is a modular system for processing of bioelectrical signals in
electrophysiology. The system is housed in a 19" rackmount cabinet (3U) has room for up to 7
plug-in units. The plug-in units are connected to power by a bus at the rear panel.
The plug-in units must be kept in position by four screws (M 2,5 x 10). The screws are important
not only for mechanical stability but also for proper electrical connection to the system housing.
Free area must be protected with covers.
2.2. EPMS-07 Housing
The following items are shipped with the EPMS-07 housing:
✓ EPMS-07 cabinet with built-in power supply
✓ Mains cord
✓ Fuse 2 A / 1 A, slow (inserted)
✓ Front covers
Figure 1: Left: front view of empty EPMS-07 housing.
In order to avoid induction of electromagnetic noise the power supply unit, the power switch
and the fuse are located at the rear of the housing (see Figure 2, right).
2.3. EPMS-H-07 Housing
In addition to the standard power supply of the EPMS-07, the EPMS-H-07 has a built-in high
voltage power supply. This is necessary for all MVCS / MVCC modules, the HVA-100, HV-
TR150 and HVC-03M modules. The output voltage depends on the modules in use.
2.4. EPMS-E-07 Housing
The following items are shipped with the EPMS-E-07 housing:
✓ EPMS-E-07 cabinet
✓ External Power supply PWR-03D
✓ Power cord (PWR-03D to EPMS-E-07)
✓ Mains chord
✓ Fuse 1.6 A / 0.8 A, slow (inserted)
✓ Front covers
The EPMS-E-07 housing is designed for low-noise operation, especially for extracellular and
multi channel amplifiers with plugged in filters. It operates with an external power supply to
minimize distortions of the signals caused by the power supply.
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version 1.5
TMR-02M User Manual
page 4
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