GE MEDICAL SYSTEMS PROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3 LOGIQ™ 9 PROPRIETARY MANUAL
Chapter 5 Components and Functions (Theory) 5-27
5-4-12Inputs (cont’d)
5-4-12-3 Input Signals
5-4-12-4 Bi-directional Signals
NOTE: BEP2.x processors have one Com Port and six USB Ports. The Com Port is connected to the
modem via the Internal I/O. A USB to Serial Converter feeds the external serial connection via
the Internal I/O. BEP 2.1 Processors have digital video coming from a Matrox or ADD card
going to the DGIO/DGVIC Tray. BEP 2.x processors have Ethernet and Analog Video on the
motherboard.
Table 5-7 Input Signals
Signal Name Description Signal Path
PWR_OK* Power verification signal from Card Rack Card Rack > IIO > PC2IO
ON/OFF Switch
Signal from the ON/OFF switch on the Control Panel and
from the Reset button on the rear of the External I/O.
Top Console > IIO > PC2IO
ON/OFF Reset (EIO) > IIO > PC2IO
I2C Register
Interrupt
Interrupt signal from I2C Bus EIO > IIO > PC2IO
Microphone in to
BEP
Microphone signal from Monitor (Top Console) Top Console > IIO > BEP
Audio in to BEP Audio from VCR or Doppler Audio
Replay Audio from VCR > IIO > BEP
Doppler Audio Out from Card Rack > IIO
> BEP
Table 5-8 Bi-directional Signals
Signal Name Description Signal Path
UPS Control
RS232
Control Signals to and from the UPS BEP > IIO
RS232 XDCTRL Not Used PC2IO > IIO > Not Used
I2C Bus
Data bus used for Remote Control of External Units and for
reading module versions.
PC2IO > IIO > EIO
Spare RS232 Not Used PC2IO > IIO > Not Used
VCR Remote Ctrl
(RS232)
Control signal to Internal VCR PC2IO > IIO > VCR
USB #1 USB bus to Top Console PC2IO > IIO > Top Console
COM 1 Can be configured to transfer report page data PC2IO > IIO > EIO
COM 2 Modem
PC2IO > IIO > EIO (Rear of Module) >
Modem
Ethernet Standard TCP/IP Ethernet BEP > IIO > EIO > External Network
USB #2 USB Bus for External Units BEP > IIO > EIO > External USB Unit
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