Introduction; Optical Signal Characteristics; Operation Overview - Keithley 7090 Instruction Manual

3-2 Operation

Introduction

WARNING
This section contains information about operating considerations for the Model 7090
Optical Switch Card. The information is organized as follows:
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Optical signal characteristics

Refer to the specifications and switch properties guide supplied with this card for card sig-
nal characteristics.

Operation overview

The Model 7090 Optical Switch Card contains a fiber-optic 1× N switch module along
with the appropriate electronics to interface to the Model 7001/7002 Switch Systems. The
fiber-optic switch contains a number of channels (depending on model), one switched
common channel, and one reset position. During normal operation, the switch will
optically connect the common channel to one of the available channels, or to the reset
position, which is optically blocked. When an optical channel is connected, the switch will
It is the responsibility of the customer to operate instruments in a safe
manner. Follow all applicable safety regulations for installing, config-
uring, and using the Model 7090. The Model 7090, as installed, should
be approved by the appropriate safety personnel, such as the responsi-
ble Laser Safety Officer or equivalent.
Suggested starting points for workplace regulations and standards:
ANSIZ136,1, IEC 825, OSHA 29 CFR 1910.
As a general rule, always be aware of workplace hazards, strive to min-
imize them, and work safely.
Optical signal characteristics
Operation overview
Card programming
Error conditions
Model 7090 Instruction Manual