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G.SHDSL NTU User Manual V0.03
140
The pin out of DB-15 connector on X.25 adaptor cable:
Pin
Signal
Abbr.
DTE
DCE
1
Shield
2
Transmit (A)
TA
Out
In
3
Control (A)
CA
Out
In
4
Receive (A)
RA
In
Out
5
Indication (A)
IA
In
Out
6
Signal Timing (A)
SA
In
Out
7
Unassigned
8
Ground
9
Transmit (B)
TB
Out
In
10
Control (B)
CB
Out
In
11
Receive (B)
RB
In
Out
12
Indication (B)
IB
In
Out
13
Signal Timing (B)
SB
In
Out
14
Unassigned
15
Unassigned
Functional Description:
The Signal Element Timing (clock)
(S)
is provided by the DCE. This means that the NTU is output the correct
clocking and that X.21 is a synchronous interface. Hardware handshaking is done by the Control
(C)
and
Indication
( I )
lines. The Control is used by the DTE and the Indication is the DCE one.
Содержание G.SHDSL NTU
Страница 1: ...G SHDSL NTU User Manual Version 0 03...
Страница 9: ...G SHDSL NTU User Manual V0 03 8 1 4 Applications...
Страница 18: ...G SHDSL NTU User Manual V0 03 17 2 3 1 For E1 Interface AC power input version DC power input version...
Страница 19: ...G SHDSL NTU User Manual V0 03 18 2 3 2 For Serial Interface AC power input version DC power input version...
Страница 20: ...G SHDSL NTU User Manual V0 03 19 2 3 3 For Ethernet Interface AC power input version DC power input version...
Страница 30: ...G SHDSL NTU User Manual V0 03 29 E1 Interface...
Страница 36: ...G SHDSL NTU User Manual V0 03 35 3 5 1 Sub Menu tree for SETUP E1 Interface SYSTEM SETUP SETUP E1 SETUP E1...
Страница 52: ...G SHDSL NTU User Manual V0 03 51...
Страница 55: ...G SHDSL NTU User Manual V0 03 54...
Страница 116: ...G SHDSL NTU User Manual V0 03 115 For Ethernet interface model For E1 and Serial interface model...
Страница 117: ...G SHDSL NTU User Manual V0 03 116 For E1 and Ethernet interface model...
Страница 119: ...G SHDSL NTU User Manual V0 03 118 For Serial interface model For Ethernet interface model...
Страница 120: ...G SHDSL NTU User Manual V0 03 119 For E1 and Serial interface model For E1 and Ethernet interface model...
Страница 137: ...G SHDSL NTU User Manual V0 03 136 The front view of DB 25 F Serial interface connector on rear panel...