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5522A
Operators Manual
SERIAL 1
FROM HOST
Rx
Tx
DTR
GND
RTS
CTS
SERIAL 2
TO UUT
RLSD
Rx
Tx
GND
DSR
RTS
CTS
C-4
5522A
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
Figure C-5. Serial Port Connections (DB-9/DB-25)
NULL MODEM CABLE
MODEM CABLE
PC
COM
1
1
2
2
Tx
3
3
Rx
4
4
RTS
5
5
CTS
6
6
DSR
7
7
GND
8
8
DCD
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
DTR
21
21
22
22
RI
23
23
24
24
25
25
UUT
RS-232
1
1
2
2
Tx
3
3
Rx
4
4
RTS
5
5
CTS
6
6
DSR
7
7
GND
8
8
DCD
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
DTR
21
21
22
22
RI
23
23
24
24
25
25
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