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Watson-TDM-Manual-W.doc
Version 2.0-01
Watson TDM
Operating Manual
Revision: 2008-02-07 8-7
mode as per Table 8-2. Note that only the DSL defaults as per Table 8-2 are set,
the E1 interface configuration is not changed by LTUMODE. For security reasons,
the command must be confirmed.
The LTUMODE can only be changed within the configuration menu of the first sub-
system of a plug-in.
LTUMODE without parameters will display the current LTU mode
Note
Depending on the hardware configuration of a plug-in not all possible LTUMODEs
are supported.
8.2.3 DSL Configuration
BACKOFF ON | OFF
Set SHDSL Power Back-Off function ON / OFF.
LINERATE n [z] [p] [a]
Set line rate:
n the number of DSL timeslots to be transmitted (3
≤ n ≤ 89)
z use of one Z-bit: Setting z to 0 or omitting z means that the DSL EOC runs
at 3.2 kbit/s. Setting z to 1 increases the EOC bandwidth to 11.2 kbit/s.
p the number of constellations: use 16 for p to configure 16 constellations
(TC-PAM 16) and 32 for 32 constellations (TC-PAM 32). If possible (i.e.
consistent with n) the DSL link will be configured with this desired constella-
tion. If p is omitted, TC-PAM 16 will be configured when possible and TC-
PAM 32 otherwise.
a 1 denotes asymmetric PSD operation
Notes
• Asymmetric PSD is only possible without Z-bits, i.e. a = 1 implies z = 0
• The additional Z-bit is not supported by the Watson TDM Regenerator. Links
with regenerators should be configured without specifying z. Other values for z
are ignored on regenerated links.
• Watson 5 does not support TC-PAM 32. A DSL link between Watson TDM (as
DSL master) and Watson 5 (as DSL slave) will not start if the DSL master is
configured for TC-PAM 32.
MASTER ON | OFF
Set DSL master mode ON / OFF (MASTER OFF configures the modem as DSL
slave).
On a plug-in with several subsystems each DSL link can individually be config-
ured as DSL master or DSL slave
- Declaration of Conformity 3
- Revision: 2008-02-07 iii 5
- Revision: 2008-02-07 v 7
- Revision: 2008-02-07 vii 9
- Limited Product Warranty 11
- Table of Contents 13
- Revision: 2008-02-07 xiii 15
- Revision: 2008-02-07 xv 17
- 1 References 19
- 2 Watson TDM Overview 20
- 2.3 Accessories 21
- 3 Watson TDM Features 23
- 3.1.3 Multipair operation 24
- Revision: 2008-02-07 3-3 25
- 3.1.5 Power Backoff 26
- 3.2 E1 Interface 27
- 3.2.2 AIS Detection 28
- 3.2.3 AIS Generation 28
- 3.2.4 E1 Clock Modes 29
- 3.2.5 High Capacity E1 30
- LTUMODE 15 31
- Note: DSL Port C is unused 31
- LTUMODE 16 31
- Note: DSL Port D is unused 31
- 3.3 ISDN PRA Interface 32
- Revision: 2008-02-07 3-11 33
- Revision: 2008-02-07 3-13 35
- 3.4 nx64 kbit/s Interface 37
- 3.4.2 Handshake Operation 38
- 3.4.5 Clock Direction 39
- 3.4.6 Clock Polarity 39
- 3.4.7 Byte Timing 39
- 3.5 Timeslot Mapping 40
- 3.5.2 nx64 mappings 41
- DSLSTU-C STU-R 42
- 3.6.1 Introduction 43
- 3.6.2 Configuration 44
- 3.6.4 Multipoint Cascading 48
- 3.7 Performance Monitoring 50
- Revision: 2008-02-07 3-29 51
- 3.8 Test loops 52
- Normal Operation 53
- After Automatic Protection 53
- Switching 53
- 3.10 Password Protection 54
- 4 Watson TDM Regenerator 55
- 4.3 Cascading 56
- 4.4 Powering 56
- Revision: 2008-02-07 4-3 57
- 5 Powering 59
- 5.3 Remote Powering 60
- 5.3.4 Power Failure Alarm 61
- Loopfeedfeed 62
- 6 LEDs, Alarms 63
- 6.2 Tabletop LEDs 64
- 6.3 Alarm Conditions 65
- 6.4 Alarm Relays 66
- 6.5 Initialization Errors 66
- 7 The Monitor 67
- 7.2 Addressing 68
- 7.2.3 Tabletop 69
- 7.3 The Monitor 70
- 7.3.4 Shortcuts 71
- 7.3.5 Continuous Displays 71
- 8.1 Introduction 73
- 8.2.1 General Commands 74
- Revision: 2008-02-07 8-5 77
- 8.2.3 DSL Configuration 79
- 8.2.5 E1 Configuration 82
- 8.2.6 PRA Configuration 82
- Revision: 2008-02-07 8-11 83
- Current Status 90
- Switched Line 90
- Command 91
- ≥ 30% on channel x (A 92
- 8.3.4 Loops 95
- 8.3.5 Reset Commands 96
- 8.4.1 G.826 Statistics 97
- 8.5.1 Connection control 101
- 8.5.2 Inventory 101
- 8.5.3 Password Commands 102
- 9 Connectors 104
- Watson-TDM-Manual-W.doc 105
- Version 2.0-01 105
- Watson TDM 105
- Operating Manual 105
- Revision: 2008-02-07 9-33 105
- 9.1.2 Tabletop Modems 106
- 9.2 DSL Connector 107
- 9.3 E1 Connectors 108
- 9.3.3 75 Ohm Connectors 109
- 9.4 nx64 kbit/s Connector 110
- Revision: 2008-02-07 9-39 111
- 9.5 Monitor Connector 112
- 9.6.2 Ground connector 113
- 9.7 Regenerator Connector 114
- 10 Cables and Mechanics 115
- 10.1.2 Tabletop 116
- 10.2 Cable Reference 117
- 10.2.3 V.35 DTE Cable 119
- 10.2.4 V.35 DCE Cable 120
- 10.2.5 X.21 DTE Cable 121
- 10.2.6 X.21 DCE Cable 121
- 11.1 Interfaces 123
- 11.1.2 User Interfaces 124
- 11.1.3 Monitor Interface 124
- 11.2 Internal clock 125
- 11.4 Power Consumption 125
- 11.5 MTBF Values 126
- 11.6 Environment 127
- 12 Product Order Codes 128
- 12.3 Regenerator 129
- 12.4 Accessories 129
- 12.5 Cables 130
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