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INSTALLATION
Key Setting on Circuit Cards
Table 4-4 Switch Setting Patterns for the DTI Card (Continued)
SWITCH NAME
NUMBER
SW4D
1
2
3
4
5
6
7
8
OFF
SW25
1
2
3
4
OFF
CHAPTER 4
Page 36
Revision 3.0
SWITCH
STANDARD
SETTING
ON
1
OFF
ON
2
OFF
ON
3
OFF
ON
4
OFF
ON
5
OFF
ON
6
OFF
ON
7
OFF
8
ON
ON
1
OFF
ON
2
OFF
ON
3
OFF
ON
4
OFF
ND-70185 (E)
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SETTING
Transmission Signal A Logic: Negative
×
Transmission Signal A Logic: Positive
Receiving Signal A Logic: Negative
×
Receiving Signal A Logic: Positive
RMT Alarm Sending: Not to be sent out
×
RMT Alarm Sending: To be sent out
Simultaneous Seizure Supervision: Not to be
×
controlled
Simultaneous Seizure Supervision: To be con-
trolled
Data Link Control: MOS
×
Data Link Control: BOS
Multiframe Selection: 12-Multiframe
Multiframe Selection: 24-Multiframe
Signal Selection: AMI (Alternate Mark Inver-
sion)
Signal Selection: B8ZS (Bipolar with 8 Zeros
Substitution)
×
Fixed
×
Impedance setting: 100 Ω
Impedance setting: 110 Ω
Transformer at Middle Point – Transmission:
Ground
Transformer at Middle Point – Transmission:
×
Open
Transformer at Middle Point Receive: Ground
×
Transformer at Middle Point Receive: Open
Idle Code: To be sent out
×
Idle Code: Not to be sent out
MEANING
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