
98
Configuring DIP switch settings and definitions
NN40010-300
Brazil Config 1
E1 physical characteristics
•
Connector type: BNC
•
Line coding: HDB3
E1 framing
Frame mode: Alternate
Register signaling
•
Regret option: ON
•
End of dialing (Incoming): 4
•
End of dialing (Outgoing): 4
R2 line signaling
Brazil Config 1 R2 signals are according to CCITT standard. See
Table 34
for the Brazil Config 1
R2 signal definitions.
Note:
CD bits are not used. They are set to
01
in transmit direction, and are ignored in receive direction.
MFC Register Signaling
MFC signal definitions depends on the stage and the direction of the call; there are four tables of
15 signals each: the first stage uses
I
signals forward and
A
signals backward, and the second stage
uses
II
signals forward and
B
signals backward. The meaning of the signals can also be different
when being transmitted or received. Meanings of the MFC signals are configurable. MFC signal
tables are part of the country-specific parameters.
Table 34
Brazil Config 1 R2 A/B signals
Forward
Backward
Signal
A
B
Signal
A
B
Idle
1
0
Idle
1
0
Seize
0
0
Seize acknowledge
1
1
Clear forward
1
0
Answer
0
1
Clear back
1
1
Block
1
1
Содержание R2MFC
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Страница 110: ...110 Diagnostic and loopback DIP switch settings NN40010 300 ...
Страница 112: ...112 MFC Signal Definitions NN40010 300 ...
Страница 114: ...114 CLI Cable Pinout NN40010 300 ...