Chapter 3: Theory of Operation
1049766 Rev A
V60 Ventilator Service Manual
3-9
Table 3-1: V60 HIS Serial Communications Port Pinout
Pin
Signal
I/O
Description
1
HIS_RS232_SHLD
Power
HIS RS232 cable shield
2
HIS_RS232_TxD
Output
HIS RS232 transmit data output
3
HIS_RS232_RxD
Input
HIS RS232 receive data input
4
HIS_RS232_RTS
Output
HIS RS232 ready to send
5
HIS_RS232_CTS
Input
HIS RS232 clear to send
6
HIS_RS232_DSR
Input
HIS RS232 data set ready
7
HIS_SIG_RTN
Power
HIS RS232 signal common
8
PULSE_OX_IN
Input
Pulse oximeter analog input
9
HIS_DIG_IN0
Input
HIS digital input #0, 0-3.3 V digital logic level (0-5 V tolerant)
10
HIS_DIG_IN1
Input
HIS digital input #1, 0-3.3 V digital logic level (0-5 V tolerant)
11
HIS_ANALOG_IN00
Input
HIS analog input #0, 0-5.0 V analog voltage level
12
HIS_ANALOG_IN01
Input
HIS analog input #1, 0-5.0 V analog voltage level
13
HIS_SIG_RTN
Power
HIS RS232 signal common
14
HIS_DIG_IN2
Input
HIS digital input #2, 0-3.3 V digital logic level (0-5 V tolerant)
15
HIS_DIG_IN3
Input
HIS digital input #3, 0-3.3 V digital logic level (0-5 V tolerant)
16
HIS_DIG_OUT0
Output
HIS digital output #0, 0-3.3 V digital logic level
17
HIS_DIG_OUT1
Output
HIS digital output #1, 0-3.3 V digital logic level
18
HIS_DIG_OUT2
Output
HIS digital output #2, 0-3.3 V digital logic level
19
HIS_DIG_OUT3
Output
HIS digital output #3, 0-3.3 V digital logic level
20
HIS_RS232_DTR
Output
HIS RS232 data terminal ready
21
HIS_SIG_RTN
Power
HIS RS232 signal common
22
nHIS_BOOT_SEL
Input
Boot select signal: 0 = download, 1 = flash
23
HIS_ANALOG_OUT0
Output
HIS analog output #0, 0-5.00 V analog voltage level
24
HIS_ANALOG_OUT1
Output
HIS analog output #1, 0-5.00 V analog voltage level
25
HIS_ANALOG_OUT2
Output
HIS analog output #2, 0-5.00 V analog voltage level
SHLD
Chassis
Power
Cable shield
