GE marquette MAC 1100

Marquette Hellige GmbH MAC 1100/1200 V 1.1 Page 26
227 492 20 D - 0002
When replacing these fuses, the following points have to be observed:
 replacement by factory or servicing agent only!
 disconnect mains plug!
 replacement only with the original fuses!
For the patient input, the mechanics of the patient input of the MAC500 is used, so
the patient cables of the MAC1000/CardioSmart cannot be used for the MAC1200.
A 9-pin sub-D Connector, type Mark II with 4-40 UNC inserts, with a standard
configuration of the signals TXD, RXD and GND is implemented in the construction
of the RS-232 interface.
2.6.1 Electronic interfaces
2.6.1.1 RS-232 interface
The 9-pin sub-D Connector of the RS-232 interface is implemented on the PCB
Control CS_CI directly.
From Version V1.1, the remote start input pin is available on pin 8.
In MAC1200 US devices the modem supply output +8V is available on pin 6
additionally.
Connector denotation: RS232/
Type: 9-pin sub-D, female, Mark II with 4-40 UNC inserts
The function of the individual pins is given in the following table . The definition as an
input/output is seen with reference to PCB Control CS_CI.
RS232/
Pin
Number
Signal input/output Function Definition
1NC
2RXDE In
p
ut RS232 Data In
3TXDE Out
p
ut RS232 Data Out
4NC
5GND Si
g
nal Ground
6
V
MODEM Out
p
ut Modem Su
pp
l
y
+8
V
MAC1200 US onl
y
7RTSE Out
p
ut Re
q
uest to Send
8 FERNST In
p
ut Remote Start In
p
ut “0” : active
9NC