Service manual
9. CONNECTOR PIN ASSIGNMENT
9.14 Service Manual BSM-4100
Motherboard
Signal Description Signal Name Pin Number Signal Name Signal Description
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
Protective earth
CNJ303 (for ECG RESP2 board)
CNJ701 (for DPU board)
Refer to “CNJ022 (for Motherboard)” in the “DPU Board” section.
CNJ305 (for ECG RESP1 board)
Signal Description
Signal
Name
Pin Number Signal Name Signal Description
Respiration circuit ground
Respiration circuit ground
Analog ground
Analog ground
+8 V supply voltage for analog circuit
−
8 V supply voltage for analog circuit
+2.5 V reference voltage
−
2.5 V reference voltage
+2.5 V supply voltage
−
2.5 V supply voltage
+8 V supply voltage for respiration
−
8 V supply voltage for respiration
Carrier frequency for respiration
+3 V supply voltage for analog circuit
−
3 V supply voltage for analog circuit
ER
ER
AGNDF
AGNDF
+8VF
−
8VF
AVR+
AVR
−
+2.5VF
−
2.5VF
+8VFR
−
8VFR
125kHz
+VAN
−
VAN
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
RESP
AGNDF
Z0
RINST
RSEL
PWMI
PWMII
PWM[01]
PWM[02]
PWM[03]
PWM[04]
PWM[05]
PWM[06]
CAL
XDC_CHECK
Respiration digitized data
Analog ground
Respiration measure
Respiration baseline recovery
Respiration electrode select
Lead I time constant adjust
Lead II time constant adjust
Lead C1 time constant adjust
Lead C2 time constant adjust
Lead C3 time constant adjust
Lead C4 time constant adjust
Lead C5 time constant adjust
Lead C6 time constant adjust
Calibration control
12 lead electrode polarization
voltage detection