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Marconi OMS 1200
Ericsson Marconi OMS 1200 User Manual
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221 02-ZAP 701 25/1 Rev C 2006-08-04
Marconi OMS 1200
Optical MultiService Metro-Edge
Technical Product Description
Release 3.4
2
Table of Contents
Default Chapter
3
Table of Contents
3
List of Figures
9
List of Tables
11
Chapter 1: About this Document
13
Introduction
13
Chapter 2: Product Description
15
Equipment Overview
15
Common Family Features
15
Deployment
16
Data Transport
17
OMS 1240 with STM-1/4 Core Card - Summary
17
OMS 1260 with STM-1/4 Core Card - Summary
18
OMS 1200 with STM-4/16 Core Card - Summary
19
OMS 1240 Product Structure
20
Subrack for OMS 1240
20
Figure 2-1: Basic OMS 1240 Subrack Structure
20
OMS 1240 Shelf and Cards
21
Figure 2-2: OMS1240 with Battery Box
21
Figure 2-3: Basic OMS 1240 Subrack
21
Cooling the OMS 1240 Subrack
22
OMS 1260 Product Structure
22
Subrack for OMS 1260
22
Figure 2-4: Basic OMS 1260 Subrack Structure
22
OMS 1260 Shelf and Cards
23
Cooling the OMS 1260 Subrack
23
Power Supply Architecture
23
Figure 2-5: Example of a Basic OMS 1260 Subrack
23
Power/Lct LTU Cards
24
Generic Tributary PSU/LTU Cards
25
Line and Tributary Traffic and Comms Units
25
STM-1/4 Core Switch/Line/Ccu Card
26
STM-4/16 Core Unit
26
OMS 1240 64X2Mbit/S Core Tributary Card and Ltus
27
Marconi OMS
27
OMS 1260 63 X 2Mbit/S Tributary Card and Ltus
28
Generic Tributary Units
29
Figure 2-6: Vertically Extended 63X2Mbit/S LTU
29
Table 2-1: OMS 1200 Generic Tributary Card Compatibility
30
OMS 1260 Tributary Groups
31
Figure 2-7: OMS 1260 (with STM-1/4 Core) Tributary Groups Showing Bandwidth Available
31
Comms/Auxiliary/Ancillary Unit
32
Figure 2-8: OMS 1260 (with STM-4/16 Core) Tributary Groups Showing Bandwidth Available
32
SFP Tributary and Line Interfaces
33
Table 2-2: SFP Interface Types
33
Table 2-3: Short-Haul SFP Modules for CWDM
34
Table 2-4: Long-Haul SFP Modules for CWDM
34
Chapter 3: Functional Overview
35
Network Management
35
Synchronisation
35
Protection
36
MSP Protection
36
Sub-Network Connection Protection
36
Cross Connections
37
Engineer's Order Wire (EOW)
37
Figure 3-1: Engineers Order Wire
37
Other Licensed Operator's Networks
38
Figure 3-2: Off-Net Customer Network Configuration
38
Figure 3-3: Example of Remote Management over OLO Network
39
Remote Management Via VC-12 N X 64Kbit/S Comms Channels
39
IP Management of Third Party Co-Located Equipment
40
Figure 3-4: IP Management of Third Party Co-Located Equipment
40
Tandem Connection Monitoring (TCM)
41
Chapter 4: Typical Applications
43
Network Applications
43
General
43
Figure 4-1: Network Configurations
43
Ring Application
44
Broadcast
44
Figure 4-2: Ring Applications
44
Figure 4-3: Broadcast
44
Point to Point
45
Data Applications
45
Ethernet Private Line
45
Network Management Channel Communications
45
Configuration
45
OMS 1240 Product
45
Figure 4-4: Ethernet Private Line
45
OMS 1260 Product
46
Marconi OMS
46
Chapter 5: Power Consumption
47
OMS 1240 Power Consumption
47
OMS 1260 Power Consumption
47
Table 5-1: OMS 1200 Power Consumption
47
Chapter 6: Synchronisation
49
Timing Sources
49
Synchronisation Modes
49
Freerun
49
SETG Timing
49
Holdover
49
Timing Marker Operation
50
Destination ID
50
Revertive/Non-Revertive Operation
50
Wait to Restore Period
50
Priority Table Options
50
Table 6-1: OMS1240-4 Sync Priority Options
51
Table 6-2: OMS1240-16 Sync Priority Options
51
Table 6-3: OMS1260-4 Sync Priority Options
51
Table 6-4: OMS1260-16 Sync Priority Options
51
Ext/Tributary Clock Selection
52
OMS1240 Tributary Selection
52
OMS1260 Tributary Selection
52
SDH Timing Sources
52
PDH Timing Sources
52
External Timing Input
52
Table 6-5:Defaults
52
External Input SSMB Position
53
External Timing Quality Levels
53
External Timing Output
53
External Output SSMB Position
54
External Output off State
54
Default SSMB
55
SSMB Code to Quality Level Assignment
55
SASE Mode
55
Table 6-6: SSMB Timing Marker from MSOH S1 Byte (Defaults)
55
Marconi OMS
56
Figure 6-1: SASE Mode Disabled
57
Figure 6-2: SASE Mode
57
SASE Mode
57
SASE Mode Disabled
57
Enhanced SASE Mode
58
Enhanced SASE Mode on External 1/2
58
Figure 6-3: Enhanced SASE Mode
58
2Mbit/S De-Synchroniser Bandwidth
59
SDH Port SSMB Override
59
Figure 6-4: Enhanced SASE Mode on External 1/2
59
Card Configuration
60
Core Card Configuration
60
Controller/Comms Configuration
60
PDH Tributary Card
60
Synchronisation Configuration on Reset
60
Chapter 7: Protection Schemes
61
Introduction to Protection
61
General Protection Information and Architecture Rules
61
OMS 1240 Protection Rules
61
Table 7-1: Protection Mechanisms
61
Table 7-2: OMS 1240 Protection Configuration Options
62
OMS 1260 Protection Rules
63
Table 7-3: Slot Position Rules for OMS 1260 Core Card and Protection Options
63
Figure 7-1: 4/16-Core Ring (MS-SPRING Protection)
64
Figure 7-2: 4/16-Core Ring (MSP Line Protection)
65
Figure 7-3: 1/4 Core Ring
66
Table 7-4: Slot Position Rules for OMS 1260 Generic Tributary Cards and Protection Options
67
Table 7-5: Slot Position Rules for Generic Tributary Ltus and 2M Balanced Ltus
67
Table 7-6: Slot Equipping Rules for 63X2M Unbalanced LTU - 02HAM 00003 AAL
68
Table 7-7: Slot Equipping Rules for Vertically Extended 63X2M Unbalanced LTU - 03HAM
69
Intra/Inter Card MSP and SNCP Protection
70
Figure 7-4: Intra Card Protection
70
Figure 7-5: Inter Card Protection
70
SDH Trail Linear Multiplex Section Protection (MSP)
71
Figure 7-6: 1:1 STM-N Link Protection
72
OMS 1200 STM1/4 Core Card
73
Figure 7-7: MSP Protection with STM-1/4 Core Card
74
OMS 1200 STM4/16 Core Card
74
Figure 7-8: MSP Protection with STM-4/16 Core Card
75
K1/K2 Protocols
75
Modes of Operation
76
Protection Switching Criteria
78
Table 7-8: Failure Types
80
MSP Alarms
81
Operator Entered Commands
81
Forced Switch to Protection
82
Forced Switch to Worker
82
Clear
83
Marconi OMS
83
Remote Multiplexer Requests
83
Do Not Revert
84
Exercise
84
Local WTR and Do Not Revert States
84
No Request
84
Reverse Request - ITU-T/ETSI Standard Protocols ONLY
84
Wait to Restore
84
Protection Switching Control
85
Table 7-9: MSP Switch Indications
86
Operator Commands for MSP
87
Multiplexer Controller Restoration
88
Protection Switch Time and K1, K2 Protocol Timing
88
VC-Trail SNCP
89
Introduction to SNCP
89
Modes of Operation for SNCP
90
Protection Switching Criteria for SNCP
91
Table 7-10: Fault Criteria for Setting SNCP SF Flags
92
Table 7-11: Fault Criteria for Setting SNCP SD Flags
94
Protection Switching Control for SNCP
97
Table 7-12: SNC Protection Switch Requests and Resultant Position of Receive Selector
98
Protection Switching Time
99
1+1 Tandem VC-Trail SNC Protection (TSNCP)
100
Introduction to TSNCP
100
Modes of Operation for TSNCP
100
Protection Switching Criteria for TSNCP
101
Table 7-13: Fault Criteria for Setting TSNCP SF Flags
101
Table 7-14: Fault Criteria for Setting TSNCP SD Flags
103
APS Protocol Failure - Fault Types
104
Protection State Reports
105
Table 7-15: TSNCP Mode Mismatch
105
Traffic Core Card Protection
106
Introduction to Traffic Core Card Protection
106
Modes of Operation
108
Figure 7-9: STM -1/4 Core Card Equipping Options
108
Figure 7-10: STM-4/16 Core Card Equipping Options
109
Protection Switching Criteria
110
Further Protection Switching Criteria
112
Figure 7-11: SDM Architecture - Example Connections with the OMS 1240
113
Operator Entered Commands
116
Protection Switching Control
117
Marconi OMS
117
Tributary Card Protection Schemes
118
General
118
Operator Entered Switching Control Commands
120
2Mbit/S 1:1 Core Tributary Protection (OMS 1240 Only)
120
PDH 34/45M/140M and SDH STM-1 Tributary Card Protection
121
PDH Port Protection
122
Modes of Operation
122
Protection Switching Criteria
123
Protection Switching Control
126
Protection Switching Time
127
PDH Port Protection Architecture
127
Multiplex Section Shared Protection (Ms- Spring)
127
Introduction
127
Protection Switching Control
128
External Controls
128
Local Autonomous Controls (SF/SD Flags)
129
Wait to Restore
130
Remotely Signalled Controls
130
Bi-Directional APS Protocol
130
Multi Ring Switch
131
Path of TCM Trail Trace Used for Squelch of Mis-Connected Traffic
131
Signal Squelching Rules
131
Network Level Protection Switching Examples
132
Ring Switch
133
Figure 7-12: 2-Fibre MS-SPRING - Ring Protection Switch Concept
134
Multi-Ring Switch
135
Figure 7-13: 2-Fibre MS-SPRING - Multiring Protection Switch Concept
135
02-ZAP 701 25/1 Rev C 2006-08-04 © Ericsson AB 2006
136
Multi-Ring Switch - Misconnected Traffic
136
Figure 7-14: 2-Fibre MS-SPRING - Misconnected Traffic Concept
136
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Ericsson Marconi OMS 1200 Specifications
General
Brand
Ericsson
Model
Marconi OMS 1200
Category
Network Hardware
Language
English
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