Dräger Evita 4 - Device Check Procedures

5664.500/800 Evita 4/Evita 2 dura 06/98 Repair Instructions Page 42
For internal use only. Copyright reserved. GBR5664500T055664800.fm 18.03.99
Dräger Medizintechnik
D
6 Power Supply PCB (CO
2
measurement)
6.1 Power Supply to the Power Supply PCB
6.2 Connector Pin Assignment on the Power Supply PCB
J1
Pin Assignment Pin Assignment
1 +5 V 3
–
2GND
J2 (Inputs/outputs for communication between the Evita and the CO
2
measurement)
Pin Assignment Pin Assignment
1DGND of the CO
2
measurement 7 TTL-TXD (Evita)
2 RXD with RS232 level (PC) 8 TTL-RXD (Evita)
3 TXD with RS232 level (PC) 10 +5 V output (isolated)
P2 (Inputs/outputs for communication between the PCBs of the CO
2
measurement)
Pin Assignment Pin Assignment
1 DGND of the CO
2
measurement 7 TTL-TXD (Evita)
2 RXD with RS232 level (PC) 8 TTL-RXD (Evita)
3 TXD with RS232 level (PC)
CAUTION
Electrostatic discharge can damage electronic components. Use an ESD
protection mat and a wrist strap when handling electronic modules.