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Chapter 2
GPIB-110 Setup
Configure the GPIB-110 units before installing them and running the cable between them. This
step makes configuration easier. The main configuration switch is used to select other operating
modes. This switch is located on the rear panel of the GPIB-110 and, in most cases, is the only
switch you need to set before installing the GPIB-110s. Be sure to power-off the GPIB-110
before changing any switches. Figure 2-3 shows the default settings of the configuration switch.
The GPIB-110 has a label on the bottom of the box with important information. This label
shows the ten configuration switches with their names. The bottom left corner of the label lists
the Fiber Optic Transmit power settings. For more information on setting these switches, refer to
the section titled Fiber Optic Transmit Power, later in this chapter. The bottom right corner of
the label lists the configuration switch settings for Switches 8 through 10 and the corresponding
Transmit Clock Values. For more information, refer to the section titles Transmit Clock, later in
this chapter. Figure 2-4 shows the label on the bottom of the GPIB-110.
Place the GPIB-110s in close proximity and connect the cable to be used to each unit.
© National Instruments Corporation
= position of switch handle
1 2
3
4 5 6 7 8 9 10
On
Off
CONFIGURATION
Figure 2-3. Configuration Switch
CONFIGURATION
1 2 3 4 5 6 7 8 9 10
O
N
COPYRIGHT 1985
F.O.
SW
NO.
NO.
TRANSMIT
SW
1
2
3
9
POWER
10
0
0
0
100%
0
1
0
0
1
87.5%
0
1
0
1
0
75%
0
0
0
1
1
62.5%
0
0
1
1
0
0
50%
0
37.5%
1
1
0
1
0
25%
1
1
1
0
1
1
1
12.5%
1
1
1
0 = OFF
1 = ON
0 = OFF
Figure 2-4. GPIB-110 Label
2-5
Configuration and Installation
TRANSMIT
8
CLOCK
1
7.8 KHz
0
31 KHz
1
125 KHz
0
500 KHz
0
1 MHz
1
2 MHz
0
5 MHz
1
10 MHz
1 = ON
GPIB-110 User Manual
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