Keithley S46, Instruction Manual

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2-8 Document number: S46-901-01 Rev. F / March 2011
Section 2: Connections S46/S46T/S46L Microwave Switch System Instruction Manual
GPIB primary address
On the rear panel, there are five GPIB DIP switches to set the GPIB primary address. The GPIB
address is set to 7 at the factory. Refer to
Section 3 of this manual for information about setting the
primary address.
Power connections
Line voltage
The S46/S46T/S46L operates from a line voltage in the range of 100 V to 240 V at a frequency of
50 Hz or 60 Hz. Line voltage selection is automatic.
CAUTION Operating the S46/S46T/S46L on an incorrect line voltage may cause
damage, possibly voiding the warranty.
Table 2-2
GPIB control connector terminals
Contact number IEEE-488 designation Type
1 DI01 Data
2 DI02 Data
3 DI03 Data
4 DI04 Data
5 EOI (24)* Management
6 DAV Handshake
7 NRFD Handshake
8 NDAC Handshake
9 IFC Management
10 SRQ Management
11 ATN Management
12 SHIELD Ground
13 DI05 Data
14 DI06 Data
15 DI07 Data
16 DI08 Data
17 REN (24)* Management
18 Gnd (6)* Ground
19 Gnd (7)* Ground
20 Gnd (8)* Ground
21 Gnd 9)* Ground
22 Gnd (10)* Ground
23 Gnd (11)* Ground
24 Gnd, LOGIC Ground
* Numbers in parentheses refer to signal ground return of referenced
contact number. EOI and REN signal lines return on contact 24.