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NAP- 200-007
Sheet 35/42
Termination of Cables on MDF
(b)
MDF Cross Connection
Notes: 1.
The current capacity of the opto-coupler (PN-DK00 card) is 125 mA.
2.
The isolator's relay must be compatible with nominal 24 Volt circuits, and the suppression diode
shown is mandatory.
3.
The audio path in the isolator must be capacitor-coupled as shown.
4.
The Line-fault detection in the C.O.T. must be disabled. Refer to the Command Manual for details.
PN-DK00
LEN0000
LT00
LEN0002
PN-4COT/PN-2COT
LEN0004
LEN0005
LT01
LEN0006
LEN0007
PZ-PW86
-27V
G
Figure 007-21 MDF Cross Connection for External Music Equipment
CHAPTER 3
Page 98
Revision 1.0.1
PIM0
LTC0
J
K0
1
K1
26
K2
2
K3
27
K4
3
K5
28
K6
4
K7
29
R0
5
(No. 0)
T0
30
R1
6
(No. 1)
T1
31
R2
7
(No. 2)
T2
32
R3
8
(No. 3)
T3
33
MDF
P
1
26
2
27
3
28
4
29
5
30
6
31
GND
7
-27V
32
A
8
B
33
AD-25182501
+
GND
-27V
–
A
B
AUSTEL - approved
Line Isolation Unit
TO CONTROL
CIRCUIT
TO SPEECH
CIRCUIT
EXTERNAL MUSIC
EQUIPMENT
CONTROL
CIRCUIT
(Optional)
SPEECH
PATH
CIRCUIT
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