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Watson-TDM-Manual-W.doc
Version 2.0-01
Watson TDM
Operating Manual
Revision: 2008-02-07 9-41
9.6 Power and Grounding Connectors
9.6.1 Tabletop Power Connector
Type: Molex Minifit Junior, safety approved connector to the mains adapter with
snap-in characteristic. It is suitable for connection to the power supplies
SZ.378.0A0.V1 and SZ.378.0A0.V2EA.
Pin Signal Description
1 -PWR Negative power supply terminal for mains adapter
2 PROT Connected to the center taps of the gas absorbers at the DSL
line input
3 NC Not connected
4 +PWR Positive power supply terminal for mains adapter
9.6.2 Ground connector
The tabletop modems are fitted with a ground connector. To reach overvoltage
protection according to ITU-T K.21 enhanced level this connector must be
grounded. Without ground connection protection level according to ITU-T K.21
basic level is achieved.
The connector is normally covered by the rear panel of the housing. To get ac-
cess to the connector a hole has to be cut in the rear panel around the indicated
marks e.g. using a paper cutter:
Ground Connector covered
Cutout hole removed
The connector type is Faston 4.8 x 0.5 mm connector (DIN 46244) The hole in
the rear panel is dimensioned for non-insulated Faston ferrules (DIN 46245).
Molex-Type Power Connector
Front View
4 3
2 1
- 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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