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2
Hardware Configuration
Agilent 87222 and L7222 Coaxial Switches
Figure 2-9 shows the pin definitions and orientation for the Y1154A
distribution board and the Agilent 87222 and L7222 coaxial transfer switches.
Y1154A
Distribution Board Connector
(87222 / L7222)
2
1
Y1158A Cable
(distribution board end)
14
12
10
8
6
4
13
11
9
7
5
3
Distribution Board LED Connector
2
1
The N181x series switches can also
be used with the Y1154A distribution
board. See Figure 2-3 for N181x
connector pin definitions.
Figure 2-9. Agilent 87222 / L7222 Pin Definition and Orientation.
N O TE
32
Pin
Definition
1
+VR
3
Drive A
14
5
Drive B
13
7
N.C.
9
GND
11
N.C.
13
N.C.
2
1
Pin
Definition
16
1
15
3
5
7
9
11
13
15
The pin information for the Agilent switches shown in Figure 2-9 was taken from
the reference documents listed in Table 1-2. Refer to Table 1-2 for information on
accessing these documents from the Agilent web-site.
Agilent 34945A Microwave Switch/Attenuator Driver Module User's Guide
Pin
Definition
2
+VI
4
Indicator A
6
Indicator B
8
N.C.
10
N.C.
12
N.C.
14
N.C.
Y1158A Cable
(switch connector end)
10 8
6
4
2
9
7
5
3
1
Y1150A/Y1154A Distribution Board
LED Connector Pins
LED1 Connector
Pin
Definition
+VI
2
SW1 - A
+VI
4
SW1 - B
+VI
6
SW2 - A
+VI
8
SW2 - B
+VI
10
SW3 - A
+VI
12
SW3 - B
+VI
14
SW4 - A
+VI
16
SW4 - B
Agilent 87222 / L7222
DC Connector Pin Out
LED2 Connector
Pin
Definition
Pin
Definition
1
+VI
2
SW5 - A
3
+VI
4
SW5 - B
5
+VI
6
SW6 - A
7
+VI
8
SW6 - B
9
+VI
10
SW7 - A
11
+VI
12
SW7 - B
13
+VI
14
SW8 - A
15
+VI
16
SW8 - B
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