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Watson-TDM-Manual-W.doc
Version 2.0-01
Watson TDM
Operating Manual
Revision: 2008-02-07 8-19
Working Line, Protection Line
Line
System address
Switchovers
Number of switchovers
Last Switchover
Time of last switchover
Switchover Sec-
onds
Cumulative protection switching duration time in sec-
onds, i. e. the cumulative number of seconds that ser-
vice was carried on the protection line.
Note:
The counters start counting as soon as the APS group is activated (GROUPn
ON). They are reset with the RESETAPS command or by deactivating the group
(GROUPn OFF).
APS command issues a command to the APS group:
Command
Result
2
clear: clears any active command
3
Lockout of protection: Prevents the working line from
switching to the protection line
4
Forced switch work to protect: switches from the work-
ing line to the protection line regardless of the current
state of the protection line
5
Forced switch protect to work: switches from the protec-
tion line to the working line regardless of the current
state of the working line
6
Manual switch work to protect: switches from the work-
ing line to the protection line unless there is a failure on
the protection line
7
Manual switch protect to work: switches from the pro-
tection line to the working line unless there is a failure
on the working line
8
Exercise: accepts and acknowledges a switchover
command without actually executing the switchover
RESETAPS
Resets the APS counters.
- 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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