GE Corometrics 126, Service Manual

Page: 327 / 440

Revision B 120 Series Maternal/Fetal Monitor 11-13
2015590-001
Peripheral Devices: Model 115-Compatible Communications Protocols
Request Errors
These errors apply to the 115 Transmit/Receive Mode only.
Request errors are detected by the monitor as parity errors, framing errors, and
invalid Monitor ID. If the monitor fails to respond properly to a request, it is
suggested that the external computer re-transmit a request sequence.
Figure 11-2. Data Request Format—115 Transmit/Receive Mode Only
Figure 11-3. Transmitted Data Format
MONITOR
TYPE
FIRST
DATA FIELD
END OF
TEXT
DATA
FIELD(S)
Nth
DATA FIELD
MONITOR
TYPE
RESPONSE
TYPE
MONITOR
ID
DATA
FIELD
END OF
TEXT
Table 11-2. Response Type and Data Field Type
Response Type ASCII Character Hexadecimal Value
Heart Rate 1 60
Uterine Activity a 61
Modes b 62
Vital Signs Annotations and
Model 2115/2116 Messages
c 63
Event Mark d 64
Heart Rate 2 e 65
Fetal Movement f 66
Paper Out g 67
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