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SZ-DOC-W5-1.pdf LTU/NTU

Version: 1.5 Operating Manual

87 Revision: 2002-09-10

8.3 LEDs

The four LEDs (1..4) are used to display normal operation condition and alarm condition. Each

LED can be green, amber, or red when lit according to the following table.

8.3.1 Status LEDs

Status LED

Power failure off

Local Hardware - / Software failure red blinking

Normal operation green

Non-urgent alarms (local / remote) amber

Urgent alarms (local / remote) red

Table 8-1: LED Indication

1 2 ... 91 92 93 94 95 96 97 98 99 100 101 ... 128 129

WATSON 5 1
Version Control 2
LTU/NTU SZ-DOC-W5-1.pdf 3
Operating Manual 3
Revision: 2002-09-10 iv 3
Contents 5
Revision: 2002-09-10 viii 7
1 The Watson 5 Family 10
1.1 Important Safeguards 11
3 Revision: 2002-09-10 12
1.2 Ordering Information 13
1.2.3 Accessories 14
2 Installation Guide 16
2.3 Installing a Watson Modem 17
3.1.1 Master / Slave 18
3.1.2 Line Rate 19
3.1.3 Power Back-off 20
3.2.1 Framing 20
3.2.2 AIS Generation 21
3.2.3 AIS Detection 21
3.2.4 E1 Clock Modes 21
Figure 3-1: Clock Sources 22
3.3 ISDN PRA Interface 23
3.3.1 PRA Mode 24
3.3.2 CRC4 Processing Options 24
Digital Link 25
TV3' 25
17 Revision: 2002-09-10 26
3.4 nx64 kbit/s Interface 29
3.4.5 Handshake Operation 30
3.4.6 Supported V.54 Loops 30
3.4.8 Clock Polarity 31
3.4.9 Byte Timing 31
3.5 Time Slot Mapping 32
25 Revision: 2002-09-10 34
3.6.1 TIA/EIA-485 4-wire Bus 35
3.6.2 TIA/EIA-485 2-wire Bus 36
4 Performance Monitoring 40
4.2.2 E1 Interface 41
4.2.3 ISDN PRA Interface 42
5.1 LEDs 44
5.1.2 Alarm Conditions 45
5.2 Alarm Relays 46
5.2.2 NTU 47
6 Power Concept 48
6.3 Remote Powering 49
41 Revision: 2002-09-10 50
7 Monitor 51
43 Revision: 2002-09-10 52
7.2.2 LTU Minirack 53
7.2.3 NTU 53
7.3.2.1 G826 Command 55
7.3.2.2 RESETG826 Command 57
7.3.2.3 STARTBER Command 57
7.3.2.4 STOPBER Command 58
7.3.2.5 READBER Command 58
7.3.2.6 RESETBER Command 59
7.3.3.1 DIAGNOSTIC Command 59
7.3.3.2 STATUS Command 60
7.3.3.3 ALARM Command 62
7.3.3.4 ALARM H Command 63
7.3.3.5 CLEAR Command 64
7.3.3.6 ACO Command 64
7.3.3.7 LOOP1 Command 65
7.3.3.8 LOOP2 Command 65
7.3.3.9 LOOPREGn Command 65
7.3.3.10 STARTAL Command 66
7.3.3.11 STOPAL Command 66
7.3.3.12 TRACETIME Command 66
7.3.3.13 RESET Command 66
7.3.3.14 RESETCARD Command 67
7.3.4.1 CONFIG Command 68
61 Revision: 2002-09-10 70
7.3.4.3 MP Command 71
63 Revision: 2002-09-10 72
7.3.4.4 TS Command 73
7.3.4.5 MODE Command 74
7.3.4.6 DEFAULT Command 75
7.3.6.2 RHM Command 77
7.3.6.3 RCHM Command 77
7.4.1.1 ALARM Command 78
User interface in X.21 mode 79
7.4.2.1 CONFIG Command 80
7.4.2.9 UIF Command 82
7.4.2.10 DEFAULT Command 82
7.5.1 ADDRESS Command 85
7.5.2 V.11 WIRES Command 86
8.1 Features 88
8.2 Configuration 89
8.2.3 DSL Time Slot Selection 90
Multipoint Configuration 91
8.2.4 MP Command 92
8.3 LEDs 96
9.1 Tabletop NTU, Rear Panel 98
9.2 Plug-in LTU, Front Panel 99
10 Connectors’ Description 100
10.2 E1 Connector 101
10.2.2 Impedance 75Ω 102
10.3 nx64 kbit/s Connector 103
SZ-DOC-W5-1.pdf LTU/NTU 104
Version: 1.5 Operating Manual 104
95 Revision: 2002-09-10 104
10.3.2 nx64 kbit/s Cables 105
10.3.2.2 V.35 DCE Cable 106
10.3.2.4 V.36 DCE Cable 108
10.3.2.6 X.21 DCE Cable 110
10.4 Monitor Connector (NTU) 111
10.5 48V 112
Power Connector (NTU) 112
11 Technical Specifications 114
11.1.3 Monitor Interface 115
11.2 Power Supply 116
11.3 Environment 116
11.4 Physical Dimensions 117
12 Firmware Download 118
Download via ACU 119
Download via CMU 120
Download via Modem Chain 121
113 Revision: 2002-09-10 122
13.1 Test Loops 123
13.2.1 Problems 124
13.2.2 Initialization Errors 125
14 Appendix 126
14.2 Referenced Documents 128

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