5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
D SR
Tx
TD
CTS
R I
C D
ISO_GND
CTS
DTR
/RTS
/DTR
/DTR
R D
RTS
D1
3.3_COM
3.3_COM
3.3_ISO
3.3_ISO
D1
D1
D1
3.3D
D1
3.3_ISO
D1
3.3_ISO
3.3_COM
3.3_COM
D1
D1
3.3D
D1
D1
3.3_ISO
3.3_COM
D1
3.3D
3.3_COM
3.3_ISO
3.3_ISO
3.3_ISO
D1
D1
3.3B
3.3_COM
D1
D1
D1
COM_RXD1
COM_CTS
COM_DTR
/COM_CD
COM_RTS
/COM_DSR
COM_TXD1
/COM_CTS
GND_3.3V
/BOOTMODE_RESET
/BOOT
BOOTMODE
GUARD_GND
/ISO_ON
SW_CLOSED
BOOT_DISABLE
OFF/ON
20925 Crossroads Circle
Wa uke s ha, WI 53186
CONFIDENTIAL: This document contains confidential information and may not
be copied or divulged without written consent of CRITICARE SYSTEMS INC.
DRAWN BY:
LAST MODIFIED DATE:
CHECKED BY:
ENG. APPR.
Q.A. APPR.
MFG. APP R.
PART NUMBER:
REV.
TI TLE:
SHEET SIZE:
DIST:
SHEET
OF
ELE CTRONIC FILE NAME:
PCB NUM BER:
C
Copyright
1
SCHEMATIC, MAIN BOARD, 506N3 SERIES
91384S001
J:\PERM\GEMINI\HW\MAIN BOARD\SCHEMATIC\REV 1\91384S001R1.DSN
D
3
J. Gupton 12SEPT04
306
3
83637B001 R0
Wednesday, July 13, 2005
2005
ISOLATION
BARRIER
+11.5V Nom. (Unregulated)
/CTS
SEE NOTE 3
/ CD
(8 mm)
TO 252 Package
3.3V_LOGIC
G ROUND
/DSR
R x
RS-232 NOTES:
1. CONTROL SIGNALS ARE POSITIVE LOGIC (LOGIC 1 IS POSITIVE VOLTAGE).
2. DATA SIGNALS ARE INVERSE LOGIC (LOGIC 1 IS NEGATIVE VOLTAGE).
3. TXD IS LOGIC 1 (MARK) STATE WHEN IDLE.
4. OUTPUT VOLTAGE RANGES:
POSITIVE: +5 TO +15
NEGATIVE: -5 TO -15
UNDEFINED: -5 TO +5
5. INPUT VOLTAGE RANGES:
POSITIVE: +3 TO +15
NEGATIVE: -3 TO -15
UNDEFINED: -3 TO +3
R141 REMOVED AND R140
INSTALLED FOR "WAKE
ON COM" OPTION.
EXTERNAL COM
(RS232)
EXTERNAL COM PORT SECTION
BOOT MODE LOGIC
GUARD GROUND
CONNECTOR
MEMBRANE SHIELD
CONNECTION
1. TURN UNIT OFF
2. SHORT TP1 TO TP8 AND TP2 TO TP18.
3. CONNECT NULL MODEM CABLE TO SERIAL PORT.
4. START FS DOWNLOAD TOOL.
5. TURN UNIT ON - BOOT MODE WILL COMMENCE (VERIFY WITH
DOWNLOAD TOOL)
WHEN BOOT DOWNLOAD IS COMPLETE,
6. TURN POWER OFF AND REMOVE AC.
7. REMOVE NULL MODEM CABLE.
8. REMOVE TP1,/TP8 AND TP2/TP18, SHORTS.
PROCEDURE TO FORCE "BOOT MODE":
Break Detection Time:
28 mS to 932 ms
552 mS TYP
R169
221
R98
2.00K
R93
10.0K
C97
.1
1
2
C66
1.0
16V
1
2
R70
432
TP13
R67
221
100K
R57
TP21
TP22
U42A
74LVC02A
2
3
1
U39
6N136
2
3
5
6
7
8
C96
.1
1
2
R21
221
.1
C110
1
2
TP25
P2
5
9
4
8
3
7
2
6
1
S1
S2
E1
BLA3216B471SD4
1
2
3
4
5
6
7
8
C45
1.0
16V
1
2
Q9
TP2104
3
1
2
U42D
74LVC02A
11
12
13
100K
R20
D16
BAT54A
1
2
3
R135
10.0K
.1
C109
1
2
D25
ZC5800E
1
3
2
R140
DNI
U25
6N136
2
3
5
6
7
8
U35D
74HC14
9
8
R206
10.0K
R37
10.0K
C120
.01
500V
1
2
TP2
U31
MAX253
SD
4
FS
3
Vc
c
6
D1
1
D2
8
GND1
2
GND2
7
R145 10.0K
D7
SS14
2
1
E11
BLM41PG102SN1
2
1
D38
BAT54C
2
1
3
+
C29
47 EL
16 V
1
2
U35C
74HC14
5
6
U35B
74HC14
3
4
R66
432
D31
BAT54C
1
2
3
R147
2.00K
U37
DNI
2
3
5
6
7
8
U42B
74LVC02A
5
6
4
R194
10.0K
D11
SS14
2
1
100K
R10
D28
BAT54C
1
2
3
P3
1
U36
ADM3310EARU
C1+
6
C1-
24
C2+
2
C2-
4
C3+
28
C3-
26
V+
1
VCC
3
V-
25
GND
27
T1_OUT
22
T2_OUT
21
T3_OUT
20
R1_IN
19
R2_IN
18
R3_IN
17
R4_IN
16
R5_IN
15
T1_IN
7
T2_IN
8
T3_IN
9
R1_OUT
10
R2_OUT
11
R3_OUT
12
R4_OUT
13
R5_OUT
14
EN
5
SD
23
.1
C105
1
2
C102
1.0
16V
1
2
U38
6N136
2
3
5
6
7
8
C131
DNI
1
2
R200
10.0K
D6
SS14
2
1
.1
C115
1
2
U35E
74HC14
11
10
C136
10 T
16V
1
2
R198
DNI
R153
432
TP1
+
C25
10 T
1
2
D21
BAT54A
1
2
3
100K
R28
U12A
74AC32
1
2
3
R96
DNI
+
C24
1 T
1
2
U35F
74HC14
13
12
E2
BLA3216B471SD4
1
2
3
4
5
6
7
8
100K
R129
.1
C112
1
2
D10
SS14
2
1
U24
6N136
2
3
5
6
7
8
D39
ZC5800E
1
3
2
U43
74AHC1G08
1
2
4
5
3
R195
10.0K
0 OHM
R141
R134
432
R165
10.0K
R133
475K
100K
R33
R127
221
.1
C111
1
2
T1
EPC3126G-2
5
3
1
2
4
6
R97
10.0K
U30
LP2950CDT-3.3
VI
1
GND
2
VO
3
TP17
MTG1
1
C135
.001
1
2
100K
R201
100K
R34
0 OHM
R218
R154
DNI
+
C19
10 T
1
2
TP16
Q29
MMBT4401
1
2
3
100K
R36
C108
.1
1
2
U42C
74LVC02A
8
9
10
R170
432
U35A
74HC14
1
2
U34
6N136
2
3
5
6
7
8
U26
6N136
2
3
5
6
7
8
.1
C116
1
2
TP14
D33
ZC5800E
1
3
2
R146
10.0K
C126
1.0
16V
1
2
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