YOKOGAWA AQ7260 OTDR

Chapter 8 USING OPTIONS AND EXTERNAL DEVICES
8-30
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ServiceRequestfunction
When the service request is valid, the service request signal is transmitted according
to the table below.
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Bit Explanation
D8
Always：0
D7 Service request (0:None / 1: exist)
D6 Hardware information (0: normal / 1: abnormal)
D5
Always：0
D4
Always：0
D3 Plug check information (0: normal / 1: abnormal)
D2 Command check (0: Normal / 1: error)
D1 Status of instrument (0: On measurement / 1: No
measurement)
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Controlcommandandsentdataformat
Several control command can be sent in connected form by using “,” for connection.
However, the receive buffer capacity of this equipment is 512 bytes.
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