UDB1
UDB2
UDB3
UDB4
UDB5
UDB6
UDB7
UDB8
UDB11
UDB14
UDB15
UDB16
UDB17
UDB18
UDB19
UDB20
UDB22
UDB13
TO UPPER DB-25
CONSOLE
CONNECTOR
CT1
24
21
22
23
20
19
18
17
16
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
25
UDB25
LDB1
LDB2
LDB3
LDB4
LDB5
LDB6
LDB7
LDB8
LDB9
LDB10
LDB11
LDB12
LDB14
LDB15
LDB16
LDB17
LDB18
LDB19
LDB20
LDB21
LDB22
LDB23
LDB24
LDB13
TO LOWER DB-25
CONSOLE
CONNECTOR
CT2
24
21
22
23
20
19
18
17
16
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
25
LDB25
IDDB1
IDDB2
IDDB3
IDDB4
IDDB5
IDDB6
IDDB7
IDDB8
IDDB9
IDDB10
IDDB11
IDDB12
IDDB14
IDDB15
IDDB16
IDDB17
IDDB18
IDDB19
IDDB20
IDDB21
IDDB22
IDDB23
IDDB24
IDDB13
DIGITAL
INPUTS 1-8
DB-25
CONNECTOR
CT4
24
21
22
23
20
19
18
17
16
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
25
IDDB25
IA2DB1
IA2DB2
IA2DB3
IA2DB4
IA2DB5
IA2DB6
IA2DB7
IA2DB8
IA2DB9
IA2DB10
IA2DB11
IA2DB12
IA2DB14
IA2DB15
IA2DB16
IA2DB17
IA2DB18
IA2DB19
IA2DB20
IA2DB21
IA2DB22
IA2DB23
IA2DB24
IA2DB13
ANALOG
INPUTS 5-8
DB-25
CONNECTOR
CT6
24
21
22
23
20
19
18
17
16
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
25
IA2DB25
IA1DB1
IA1DB2
IA1DB3
IA1DB4
IA1DB5
IA1DB6
IA1DB7
IA1DB8
IA1DB9
IA1DB10
IA1DB11
IA1DB12
IA1DB14
IA1DB15
IA1DB16
IA1DB17
IA1DB18
IA1DB19
IA1DB20
IA1DB21
IA1DB22
IA1DB23
IA1DB24
IA1DB13
ANALOG
INPUTS 1-4
DB-25
CONNECTOR
CT7
24
21
22
23
20
19
18
17
16
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
25
IA1DB25
ODDB6
ODDB2
ODDB1
DIGITAL
OUTPUT
DB-9
CONNECTOR
CT3
1
9
8
7
6
5
4
3
2
ODDB5
ODDB8
OADB7
OADB6
OADB2
OADB1
OADB3
ANALOG
OUTPUT
DB-9
CONNECTOR
CT5
1
9
8
7
6
5
4
3
2
OADB5
OADB8
5
4
3
2
1
7
8
9
6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
25
24
5
4
3
2
1
7
8
9
6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
25
24
5
4
3
2
1
7
8
9
6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
25
24
5
4
3
2
1
7
8
9
6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
25
24
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
5
4
3
2
1
7
8
9
6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
25
24
UDB9
UDB21
600 Industrial Drive
New Bern, NC 28562
3 OF 3
LSR-500 Digital/ Audio Line Select Rackmount
Schematic - Sheet 3 of 3
W# 700223
LSR-500
Page 5-5c
SA
D-500/May 2000
5-12-00
LSR-500D PCB
14S0075D
D
REVSIZE
SHEET
DWG. NO.FSCM NO.
SCALE
CONTRACT NO.
DATEAPPROVALS
DRAWN
CHECKED
ISSUED
A
21
2
345678
876543 1
B
C
DD
C
B
A
N/C
N/C
N/C
D LINE OUT HI
D LINE OUT LO
D LINE OUT SH
CONSOLE CLOCK
CONSOLE RESET
CONSOLE RESET
CONSOLE CLOCK
DIGITAL GROUND
DIGITAL GROUND
DIGITAL GROUND
DIGITAL GROUND
DIGITAL GROUND
DIGITAL GROUND
DIGITAL GROUND
AUDIO COMMON
N/C
DIG GND
DIG GND
AUDIO COMMONAUDIO COMMONAUDIO COMMON
LSD-500
DB Connector PinoutsDB Connector Pinouts
-V
-V
+V
+V
AUDIO COMMON
AUDIO COMMON
DIGITAL GROUND
DIGITAL GROUND
DIGITAL GROUND
+ DIGITAL
+ DIGITAL
+ DIGITAL
AUDIO COMMON
-V
-V
+V
+V
AUDIO COMMON
AUDIO COMMON
DIGITAL GROUND
DIGITAL GROUND
+ DIGITAL
+ DIGITAL
+ DIGITAL
N/C
N/C
N/C
N/C
DIGITAL OUTPUTDIGITAL OUTPUTDIGITAL OUTPUT
DIGITAL OUTPUTDIGITAL OUTPUTDIGITAL OUTPUT
(DB-9)(DB-9) (DB-9)(DB-9)
ANALOG OUTPUTANALOG OUTPUTANALOG OUTPUT
ANALOG OUTPUTANALOG OUTPUTANALOG OUTPUT
N/C
AUDIO COMMON
A LINE LT OUT HI
A LINE LT OUT LO
A LINE LT OUT SH
A LINE RT OUT SH
A LINE RT OUT LO
A LINE RT OUT HI
AUDIO COMMON
N/C
N/C
DIGITAL INPUTSDIGITAL INPUTSDIGITAL INPUTS
DIGITAL INPUTSDIGITAL INPUTSDIGITAL INPUTS
ANALOG INPUTS "1-4"ANALOG INPUTS "1-4"ANALOG INPUTS "1-4"
ANALOG INPUTS "1-4"ANALOG INPUTS "1-4"ANALOG INPUTS "1-4"ANALOG INPUTS "5-8"ANALOG INPUTS "5-8"ANALOG INPUTS "5-8"
ANALOG INPUTS "5-8"ANALOG INPUTS "5-8"ANALOG INPUTS "5-8"
(DB-25)(DB-25) (DB-25)(DB-25) (DB-25)(DB-25)
POWER PORTSPOWER PORTS
POWER PORTSPOWER PORTSPOWER PORTS
POWER PORTSCONTROL PORTS
CONTROL PORTSCONTROL PORTSCONTROL PORTS
CONTROL PORTSCONTROL PORTS
(To Upper DB-25)(To Upper DB-25) (To Lower DB-25)(To Lower DB-25)
I/O CONNECTORS CHART
A LINE 6 RT IN HI
A LINE 6 RT IN SH
A LINE 6 RT IN LO
A LINE 6 LT IN HI
A LINE 6 LT IN LO
A LINE 6 LT IN SH
A LINE 5 RT IN LO
A LINE 5 RT IN SH
A LINE 5 RT IN HI
A LINE 5 LT IN SH
A LINE 5 LT IN LO
A LINE 5 LT IN HI
A LINE 7 RT IN LO
A LINE 7 RT IN SH
A LINE 7 RT IN HI
A LINE 7 LT IN SH
A LINE 7 LT IN LO
A LINE 7 LT IN HI
A LINE 8 RT IN HI
A LINE 8 RT IN SH
A LINE 8 RT IN LO
A LINE 8 LT IN HI
A LINE 8 LT IN LO
A LINE 8 LT IN SH
A LINE 2 RT IN HI
A LINE 2 RT IN SH
A LINE 2 RT IN LO
A LINE 2 LT IN HI
A LINE 2 LT IN LO
A LINE 2 LT IN SH
A LINE 1 RT IN LO
A LINE 1 RT IN SH
A LINE 1 RT IN HI
A LINE 1 LT IN SH
A LINE 1 LT IN LO
A LINE 1 LT IN HI
A LINE 3 RT IN LO
A LINE 3 RT IN SH
A LINE 3 RT IN HI
A LINE 3 LT IN SH
A LINE 3 LT IN LO
A LINE 3 LT IN HI
A LINE 4 RT IN HI
A LINE 4 RT IN SH
A LINE 4 RT IN LO
A LINE 4 LT IN HI
A LINE 4 LT IN LO
A LINE 4 LT IN SH
D LINE 8 IN HI
D LINE 8 IN SH
D LINE 8 IN LO
D LINE 7 IN SH
D LINE 7 IN LO
D LINE 7 IN HI
D LINE 6 IN HI
D LINE 6 IN SH
D LINE 6 IN LO
D LINE 5 IN HI
D LINE 5 IN LO
D LINE 5 IN SH
D LINE 4 IN LO
D LINE 4 IN SH
D LINE 4 IN HI
D LINE 3 IN SH
D LINE 3 IN LO
D LINE 3 IN HI
D LINE 2 IN HI
D LINE 2 IN SH
D LINE 2 IN LO
D LINE 1 IN HI
D LINE 1 IN LO
D LINE 1 IN SH
LINE 1
LINE 2
LINE 3
LINE 4
LINE 5
LINE 6
LINE 7
LINE 8
GND
DOUTHI
DOUTLO
AGND
GND
AOUTLTHI
AGND
AOUTRTHI
AOUTLTLO
AOUTRTLO
AGND
AGND
ALINE4RTINHI
AGND
ALINE4LTINLO
ALINE3RTINHI
AGND
ALINE3LTINLO
ALINE2RTINHI
AGND
ALINE2LTINLO
ALINE1RTINHI
AGND
ALINE1LTINLO
ALINE4RTINLO
ALINE4LTINHI
AGND
ALINE3RTINLO
ALINE3LTINHI
AGND
ALINE2RTINLO
ALINE2LTINHI
AGND
ALINE1RTINLO
ALINE1LTINHI
AGND
AGND
ALINE8RTINHI
AGND
ALINE8LTINLO
ALINE7RTINHI
AGND
ALINE7LTINLO
ALINE6RTINHI
AGND
ALINE6LTINLO
ALINE5RTINHI
AGND
ALINE5LTINLO
ALINE8RTINLO
ALINE8LTINHI
AGND
ALINE7RTINLO
ALINE7LTINHI
AGND
ALINE6RTINLO
ALINE6LTINHI
AGND
ALINE5RTINLO
ALINE5LTINHI
AGND
AGND
DLINE8INHI
GND
DLINE7INLO
DLINE6INHI
GND
DLINE5INLO
DLINE4INHI
GND
DLINE3INLO
DLINE2INHI
GND
DLINE1INLO
DLINE8INLO
DLINE7INHI
GND
DLINE6INLO
DLINE5INHI
GND
DLINE4INLO
DLINE3INHI
GND
DLINE2INLO
DLINE1INHI
GND
AGND
GND
GND
XRESET
XRESET
LINE5out
GND
LINE4out
LINE3out
GND
LINE2out
LINE1out
GND
GND
LINE6out
GND
LINE7out
LINE8out
GND
AGND AGND
-Vrack
-Vrack
-Vrack
-Vrack
+Vrack
+Vrack
+Vrack
+Vrack
AGND
AGND
AGND
GND
GND
GND
GND
GND
GND
+DIGrack
+DIGrack
+DIGrack
+DIGrack
+DIGrack
+DIGrack
AGND
XCLOCK
XCLOCK