GE H
EALTHCARE
D
IRECTION
GA091568, R
EVISION
5
VIVID E9 S
ERVICE
M
ANUAL
Chapter 5 - Components and functions (theory)
5 - 45
5-8-7-3
Input DC Voltages
+24 VDC.
Other voltages are generated locally on the GRX:
•
3V3
•
2V5
•
2V5_MGT_Tx
•
1V8 (one for each Nathan column in use)
•
1V5
5-8-7-4
Input Signals
64 channels differential analog channels (via FEP Backplane, from GRX)
5-8-7-5
Outputs
Digital signal data to next DRX. Data from the last DRX card is sent to GFI.
5-8-7-6
LEDs on the DRX board - the Nathan field
The Nathan field has an array of LEDs that display Nathan status. There is one green LED per Nathan
as well as one common red LED per Nathan row. The leds are arranged as follows:
Each Nathan drives two signals connected to LEDs, a green “running light” and a red “error” status light.
Figure 5-31 LEDs for Nathan (beamforming) circuits
Nathan Row 0 Status 3 2 1 0
Nathan Row 1 Status 3 2 1 0
Nathan Row 2 Status 3 2 1 0
Nathan Row 3 Status 3 2 1 0
Nathan
Error 3 2 1 0
Содержание Vivid E9
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