NEC NEAX 2400 IPX Manual page 53

INSTALLATION
Key Setting on Circuit Cards
Table 4-4 Switch Setting Patterns for the DTI Card (Continued)
SWITCH NAME
SW4D
1 2 3 4 5 6 7 8
OF F
SW25
1 2 3 4
OFF
CHAPTER 4
Page 38
Revision 1.0
SWITCH
SETTING
NUMBER
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
STANDARD
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
controlled
Data Link Control: MOS
×
Data Link Control: BOS
Multiframe Selection: 12-Multiframe
Multiframe Selection: 24-Multiframe
Signal Selection: AMI (Alternate Mark
Inversion)
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
NDA-24299
MEANING