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Watson-TDM-Manual-W.doc
Version 2.0-01
Watson TDM
Operating Manual
Revision: 2008-02-07 8-23
PSB ON | OFF
Enables/disables generation of alarms if one of the two power supplies of the
plug-in fails. Use PSB OFF if the subrack is fed from a single power source to
avoid a continuous alarm.
8.3.4 Loops
LOOP1 ON [ timeout ] | OFF
The LOOP1 command controls the local loopback, see chapter 3.8:
LTU_01_FMM> LOOP1 ON 5
01:10:50 Loop 1 activated for 00005 minutes
LTU_01_FMM> LOOP1 OFF
01:11:30 Loop 1 deactivated
The loop is automatically cleared after the timeout specified in the command (5
minutes in the example above). If no timeout value is specified then the loop will
stay active until it is deactivated by a monitor command.
If an nx64 user interface is equipped, Loop 1 can also be controlled via V.54. If
V.54 loopback control is enabled, Loop 1 requests from the nx64 user interface
will have higher priority than the local monitor LOOP1 commands.
LOOP2 ON [ timeout ] | OFF
The LOOP2 controls starts the remote loopback, see 3.8:
LTU_01_FMM> LOOP2 ON 5
01:10:50 Loop 2 activated at remote station for 00005 minutes
LTU_01_FMM> LOOP2 OFF
01:11:30 Loop 2 deactivated
The loop is automatically cleared after the timeout specified in the command (5
minutes in the example above). If no timeout value is specified then the loop will
stay active until it is deactivated by a monitor command.
A Loop 2 request from the master has higher priority than a Loop 2 request from
the slave, i.e. if the LOOP2 command is entered on both master and slave, only
Loop 2 on the slave will be activated.
If an nx64 user interface is equipped, Loop 2 can also be controlled via V.54. If
V.54 loopback control is enabled, LOOP2 requests from the nx64 user interface
will have higher priority than the local monitor LOOP2 commands. In case of re-
mote Loop 2 requests, the master has higher priority that the slave.
Note
LOOP2 is not supported if the card is configured in Multipoint mode
- 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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