AGND
AGND
AGND
36/1 36/2
36/3
36/5 36/6
36/7 36/8
36/9 36/10
36/11 36/12
36/13 36/14
36/15 36/16
36/17 36/18
36/19 36/20
36/23
36/25 36/26
36/27
36/30
36/33
36/36
36/4
36/24
12 24
25
23
10
11
9 21
22
20
7
8
6 18
19
17
4
5
3 15
16
142
13
12
24
25
23 10
11
9
21
22
8
13
20 7
6
18
19
17 4
5
3
15
16
14 1
2
120/67
120/71
120/73
120/75
120/77
120/79
120/87
120/89
120/91
120/93
120/95
120/97
120/99
120/101
120/103
120/105
120/111
120/113
120/119
120/85
120/83
120/81
120/117
120/107
120/109
120/69
120/4
120/6
120/8
120/10
120/12
120/14
120/16
120/18
120/20
120/22
120/24
120/26
120/28
120/34
120/36
120/38
120/46
120/48
120/50
120/52
120/54
120/56
120/58
120/60
120/62
120/64
120/66
120/68
120/72
120/74
120/76
120/78
120/86
120/88
120/90
120/92
120/94
120/96
120/98
120/100
120/102
120/104
120/106
120/110
120/112
120/114
120/118
120/44
120/84
120/42
120/82
120/40
120/80
120/120
120/108
120/70
120/32
120/30
120/2
120/3
120/5
120/7
120/9
120/11
120/13
120/15
120/17
120/19
120/21
120/23
120/25
120/27
120/29
120/31
120/35
120/51
120/53
120/55
120/57
120/59
120/63
120/65
120/33
120/61
120/1
120/37
120/39
120/47
120/49
120/45
120/43
120/41
36/22
36/28
36/32
36/34
36/21
36/29
36/31
36/35
1
120/116120/115
CT11
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 44
45 46
47 48
49 50
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
73 74
75 76
77 78
79 80
81 82
83 84
85 86
87 88
89 90
91 92
93 94
95 96
97 98
99 100
101 102
103 104
105 106
107 108
109 110
111 112
113 114
115 116
117 118
119 120
CT10
3635
3433
3231
3029
2827
2625
2423
2221
2019
1817
1615
1413
1211
109
87
65
43
21
AGND
600 Industrial Drive
New Bern, NC 28562
600 Industrial Drive
New Bern, NC 28562
1 OF 1
_
14S0059
W# 700251
SA
SA
SA
MMD-500 PCB
MMD-500
MMD-500 Mono Mic Input Module Pinout
Page 1-1D-500/Oct 2001
10-15-01
1
2
3
4
4
3
2
1
A
CD
DC
B
A
B
C
ISSUED
CHECKED
DRAWN
APPROVALS DATE
CONTRACT NO.
SCALE
FSCM NO. DWG. NO.
SHEET
SIZE REV
4 OF 4
14S0051
W# 700251
SA
SA
SA
MMD-500
MMD-500 Mono Mic Input Module
Schematic - Sheet 4 of 4
Page 1-1D-500/Oct 2001
10-15-01
F
MMD-500F PCB
1
2
3
4
4
3
2
1
A
CD
DC
B
A
B
C
ISSUED
CHECKED
DRAWN
APPROVALS DATE
CONTRACT NO.
SCALE
FSCM NO. DWG. NO.
SHEET
SIZE REV
24
25
23
22
21
20
19
18
17
16
15
14
13
12
11
10
6
9
8
7
1
2
3
4
5
24
25
23
22
21
20
19
18
17
16
15
14
13
12
11
10
6
9
8
7
1
2
3
4
5
LOWER
DB-25
LOWER
DB-25
LOWER
DB-25
UPPER
DB-25
UPPER
DB-25
LOWER
DB-25
CONNECTORS
BUSS CHART
36 PIN EDGE CONNECTOR
120 PIN EDGE CONNECTOR
DB Connector PinoutsDB Connector Pinouts
MMD-500 ANALOG INPUTS
(Upper DB-25)(Upper DB-25)
AUDIO COMMON
AUDIO COMMON
(Lower DB-25)(Lower DB-25)
I/O PORTS
I/O PORTSI/O PORTSI/O PORTS
I/O PORTSI/O PORTS
LOGICLOGIC
LOGICLOGICLOGIC
LOGIC
I/O PORTSI/O PORTS
I/O PORTSI/O PORTSI/O PORTS
I/O PORTS
ANALOGANALOG
ANALOGANALOGANALOG
ANALOG
MIC 2 IN SH
MIC 2 IN HI
MIC 1 IN HI
MIC 2 IN LO
MIC 1 IN LO
MIC 1 IN SH
AGND
N/C
N/C
AGND
N/C
N/C
N/C
AGND
N/C
N/C
N/C
AGND
INSERT OUT SH
INSERT OUT LO
INSERT OUT HI
INSERT IN HI
INSERT IN SH
INSERT IN LO
N/C
N/C
N/C
N/C
REMOTE ON "B"
ON TALLY "B"
TB TO CR "B"
DIGITAL GND
REMOTE ON "A"
REMOTE OFF "A"
ON TALLY "A"
DIGITAL GND
+5V DIGITAL
REMOTE OFF "B"
OFF TALLY "B"
COUGH "B"
+5V DIGITAL
OFF TALLY "A"
TB TO CR "A"
COUGH "A"
DIGITAL GND
DIGITAL GND
N/C
N/C
AGND
MICAINLO MICAINHI
AGND MICBINLO
MICBINHI AGND
36BUSPIN9 36BUSPIN10
AGND 36BUSPIN12
36BUSPIN13 AGND
AGND
AGND
AGND
36BUSPIN15 36BUSPIN16
36BUSPIN18
36BUSPIN19
AGND
36BUSPIN27
DB_VCC
LDBONB
LDBOFFTALLYB
AGND
INSERTINLO
INSERTINHI
120BUSPIN3 120BUSPIN4
LDBSTTOSTTBA DB_VCC
GND
LDBONA
GND
LDBOFFA
LDBONTALLYA LDBOFFTALLYA
LDBTBTOCRA LDBCOUGHA
XDSPPGM XDSPAUD
XDSPAUX XDSPUTL
PGMLTMONITOR AGND
PGMRTMONITOR AGND
AUDLTMONITOR AGND
AUDRTMONITOR AGND
AUXLTMONITOR AGND
AUXRTMONITOR
UTLLTMONITOR AGND
UTLRTMONITOR AGND
CUELTMONITOR AGND
CUERTMONITOR AGND
TEL12MONITOR AGND
TEL34MONITOR AGND
TBMONITOR AGND
ICMCUE AGND
XDCUELOGIC XDCRMUTE
XDST1MUTE XDST2MUTE
XDTIMERRESTART XDONAIRTALLY
XDTALLY2 XDTALLY3
V+in V+in
+40Vin
V-in V-in
GND
GND
TEL12_34
XDRESET TEL34_12
XDBUSIN GND
XDFRMOUT GND
XDTDMOUT1 GND
XDTDMOUT2 GND
XDSEROUT GND
XDSERCLK GND
XDSERFRM GND
XDSERIN GND
XDDINT GND
SIGX GND
GND
GND
GND
XDCSA7
GND
XDFRMX
XDCLKX
XDCSA8 XDCSA9
GND GND
+DIG+DIG
+DIG+DIG
XDCSA4 XDCSA5
XDCSA6
XDA9
XDAD3
XDAD0
XDAD1 XDAD2
XDAD4
XDAD5 XDAD6
XDAD7 XDA8
XDWR
GND XDDS
XDAS
GND
GND
AGND
LDBTBTOCRB LDBCOUGHB
INSERTOUTHIINSERTOUTLO
GNDGND
LDBSTTOSTTBB
LDBONTALLYB
LDBOFFB
36BUSPIN28
120BUSPIN115 120BUSPIN116