AL-1661CS CIRCUIT DIAGRAM 13 - 43
10
DIR3
P3
22
7
4
NIC PWB
8
1
14
18
16
16
17
/P
A
C
K
1
23
9
2
PBSY
18
8
P0
P4
D-GND
P2
PERR
5V
P6
11
/STB
9
/FL
T
5
/IT3
15
20
21
21
3
20
/SELIN3
24
17
12
P7
23
6
22
MCU
PWB
/AFEED3
D-GND
CN16
14
VCC3
3
6
P1
5
13
/RESET
SLCT
19
12
15
24
5V
4
11
P5
13
10
7
19
2
CN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
25
MDM_IRQ
PB_NAE0
PB_ADDR1
PB_ADDR6
PB_D
A
T
A
1
PB_D
A
T
A
5
PB_D
A
T
A
7
PB_ADDR5
PB_D
A
T
A
0
PB_D
A
T
A
4
D-GND
PB_MOE
PB_NWE
D-GND
PB_ADDR0
PB_ADDR3
D-GND
(/F
AX_RST)
PB_NCS1
PB_ADDR2
PB_ADDR4
PB_ADDR7
D-GND
PB_D
A
T
A
2
PB_D
A
T
A
3
PB_D
A
T
A
6
CN37
5
D7
D-GND
17
EN5V
D-GND
16
D1
D4
15
18
VCC3
19
14
D-GND
D3
MSU_ST1
2
D0
VCC3
6
12
9
/RD
P-GND
D2
3
MODEM_IN
24V
4
20
8
7
CN38
13
D5
/CS4
D6
1
11
10
TO
NETW
ORK
T
O
TEL
DIR3
P3
/P
A
C
K
PBSY
P0
P4
D-GND
P2
PERR
5V
P6
/STB
/FL
T
/IT3
/SELIN3
P7
/AFEED3
D-GND
VCC3
P1
/RESET
SLCT
5V
P5
MDM_IRQ
PB_NAE0
PB_ADDR1
PB_ADDR6
PB_D
A
T
A
1
PB_D
A
T
A
5
PB_D
A
T
A
7
PB_ADDR5
PB_D
A
T
A
0
PB_D
A
T
A
4
D-GND
PB_MOE
PB_NWE
D-GND
PB_ADDR0
PB_ADDR3
D-GND
(/F
AX_RST)
PB_NCS1
PB_ADDR2
PB_ADDR4
PB_ADDR7
D-GND
PB_D
A
T
A
2
PB_D
A
T
A
3
PB_D
A
T
A
6
FA
X
PWB
24
18
20
26
25
23
22
21
19
17
6
7
4
12
9
16
5
3
8
10
14
15
13
11
2
1
V
OUT1
V
OUT2
CN10
D7
D-GND
EN5V
D-GND
D1
D4
VCC3
D-GND
D3
MSU_ST1
D0
VCC3
/RD
P-GND
D2
MODEM_IN
24V
D5
/CS4
D6
10
8
7
2
5
13
9
19
18
14
4
6
17
20
1
3
11
16
15
12
CN2
1
2
SPEAKER
CN1
AL-1661CS(F
AX MODEL)ONL
Y
1
2
3
4
5V USB
DA
T
A
+
DA
T
A
-
D-GND
CN33
P
ersonal Computer(USB POR
T)
(3) NIC & FAX SECTION (3/3)
Summary of Contents for AL-1661CS
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