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TELCOLINK DT - AccessDSL NTU
User Manual
Version: 2.5 Page 3 of 66
VERSION CONTROL................................................................................................................. 6
1 SELECTION GUIDE ........................................................................................................... 8
2 2 PANEL DESCRIPTION .................................................................................................... 8
3 CONFIGURATION OPTIONS ........................................................................................... 10
3.1
X
DSL .......................................................................................................................... 10
3.1.1 Master / Slave ....................................................................................................... 10
3.1.2 Normal / Dual pair / Multipoint mode ..................................................................... 10
3.1.3 Fixed rate / Adaptive setting .................................................................................. 10
3.2 E1-I
NTERFACE
(2 M
BIT
/
S
G.703 / G.704) ...................................................................... 11
3.2.1 Framing ................................................................................................................. 11
3.2.2 CRC4 Option ......................................................................................................... 11
3.2.3 E-bit Insertion ........................................................................................................ 11
3.2.4 AIS Generation ..................................................................................................... 12
3.2.5 AIS Detection ........................................................................................................ 12
3.2.6 Transmission of TS16 ........................................................................................... 12
3.2.7 E1 synchronization modes .................................................................................... 12
3.3 N
X
64/RS232 I
NTERFACE
(DCE) ................................................................................... 15
3.3.1 Nx64/RS232 Services ........................................................................................... 15
3.3.2 Nx64/RS232 Interface Types ................................................................................ 15
3.3.3 Nx64 Clock Directions (V.35, V.11 and V.28 only)................................................. 15
3.3.4 Nx64 Clock Modes (V.35, V.11 and V.28 only) ...................................................... 15
3.3.5 Nx64 Block Diagram ............................................................................................. 16
3.3.6 Automatic V.54 loops ............................................................................................ 17
3.4 T
EST
L
OOPS
................................................................................................................ 18
3.4.1 Standard Test Loops ............................................................................................. 18
3.4.2 Analog Loop Back ................................................................................................. 18
4 PERFORMANCE MONITORING ...................................................................................... 19
4.1 G.826 P
ERFORMANCE
M
ONITORING
............................................................................. 19
5 ALARMS ........................................................................................................................... 20
5.1 G
ENERAL
.................................................................................................................... 20
5.2 LED
S
.......................................................................................................................... 20
5.2.1 Status LEDs (except Multipoint Mode) .................................................................. 20
5.2.2 Status LEDs Multipoint Mode ................................................................................ 20
5.2.3 Local LED - Alarm Conditions ............................................................................... 21
5.3 A
LARM
R
ELAYS
NTU .................................................................................................... 21
5.3.1 Implementation ..................................................................................................... 21
5.3.2 Relay - Alarm Conditions ....................................................................................... 21
6 NTU POWER CONCEPT .................................................................................................. 23
7 MONITOR ......................................................................................................................... 24