MH88520-1 Просмотр технического описания (PDF) - Mitel Networks
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MH88520-1 Datasheet PDF : 10 Pages
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Preliminary Information
MH88520-1
00
01
02
03
CONTROL
A0
04
LOGIC
A1
05
A2
06
07
MD74SC137
1 OF 8
DECODER
5 MORE
SLICS
ADDRESS
OUT
00
A0
01
A1
02
A2
03
04
05
06
07
MD74SC137
1 OF 8
DECODER
A0-A2/D0-D3
J0
MT8812 J1
Crosspoint J2
Switch
J3
L0
-L7
5 MORE
SLICS
A0
A1
A2
CMOS
4512
8-INPUT
MUX
D0
D1
D2
|
SELECT
OUTPUT
|
D7
+7v +5V +5V
-24VDC
90VAC
-24VDC
2 12 9 20 17 4
15
1
TIP
19 MH88520-1
3
RING
10
16 8 6 14 7
-8V -24V 0V
+7V +5V +5V
-24VDC
90VAC
-24VDC
2 12 9 20 17 4 1
15
TIP
19
MH88520-1
3
RING
10
16
8
6 14 7
-8V -24V 0V
+7V +5V +5V
-24VDC
90VAC
-24VDC
2 12 9 20 17 4
15
1
TIP
19 MH88520-1
3
RING
10
16 8 6 14 7
-8V -24V 0V
Figure 8 - PABX Typical Application
2-71
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