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2-14 Agilent 87130A Operating and Service Manual
Installing the 87130A Attenuator/Switch Driver
Connecting Switch Drivers to Switches and Attenuators
Pin Functions for
68-pin Driver Output
Connector
• The 87130A has a rear-panel 68-pin connector for driving attached
switches. The standard output cable is a six-foot 28 AWG cable with two
male 68-pin SCSI II type connectors.
• When you wire the switch driver to the switches, use the following table
to define an OPEN or CLOSE position.
Table 2-3 Rear Panel 68-Pin (Female) SCSI II Type Connector Pin Functions
Pin Function Pin Function
1 Return 35 Return
2 Channel 0, Open 36 Channel 0, Close
3 Channel 1, Open 37 Channel 1, Close
4 Channel 2, Open 38 Channel 2, Close
5 Channel 3, Open 39 Channel 3, Close
6 Channel 4, Open 40 Channel 4, Close
7 Channel 5, Open 41 Channel 5, Close
8 Channel 6, Open 42 Channel 6, Close
9 Channel 7, Open 43 Channel 7, Close
10 Channel 8, Open 44 Channel 8, Close
11 Channel 9 Open 45 Channel 9, Close
12 Channel 10, Open 46 Channel 10, Close
13 Channel 11, Open 47 Channel 11, Close
14 Channel 12, Open 48 Channel 12, Close
15 Channel 13, Open 49 Channel 13, Close
16 Channel 14, Open 50 Channel 14, Close
17 Channel 15 Open 51 Channel 15, Close
18 Channel 16, Open 52 Channel 16, Close
19 Channel 17, Open 53 Channel 17,Close
20 Channel 18, Open 54 Channel 18, Close
21 Channel 19, Open 55 Channel 19, Close
22 Channel 20, Open 56 Channel 20, Close
23 Channel 21, Open 57 Channel 21, Close
24 Channel 22, Open 58 Channel 22, Close
25 Channel 23, Open 59 Channel 23, Close
26 Channel 24, Open 60 Channel 24, Close
27 Channel 25, Open 61 Channel 25, Close
28 Channel 26, Open 62 Channel 26, Close
29 Channel 27, Open 63 Channel 27, Close
30 Channel 28, Open 64 Channel 28, Close
31 Channel 29, Open 65 Channel 29, Close
32 Channel 30, Open 66 Channel 30, Close
33 + 24 Vdc 67 + 24 Vdc
34 Return 68 Return