RFL Electronics IMUX 2000 - Figure 8-6. Testing Channel Modules Using a Local T1 Loopback

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Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and speciﬁcations without notice.

Figure 8-6. Testing channel modules using a local T1 loopback

LOCATION 1

ANALOG OR

DATA TEST SET

OUT

VOICE

AND

DATA

CIRCUITS

CM4

EQUIPMENT

LOOPBACK

IMUX 2000

M-DACS

OUT

MANUAL

LOOPBACK

(PATCHCORD)

T1 OUT

T1 IN

DSX-1

EQUIP

JACKS

CM4

D/I-A or B

DACS

Module

M-DACS-T1 RFL Electronics Inc.

October 25, 2004 8-10 (973) 334-3100

Main Page

Table of Contents7
January14
Section 1. PRODUCT INFORMATION15
Section 2. FUNCTIONAL DESCRIPTION of the IMUX 2000 (M-DACS)25
Figure 2-2. Functional Diagram of Drop/Insert Section of M-DACS27
Figure 2-3. Functional Diagram of a Point-To-Point System28
Figure 2-5. Sample Mapping of DACS Module in Cross-Connect Mode30
Figure 2-6. Simplified Diagram of DACS Module in ILS Mode31
Figure 2-7. DACS Module Cross-Connect and Line-Switch Mode Data Paths32
Table 2-1. Comparison of Cross-Connect and Line-Switch Modes of Operation33
Figure 2-8. DACS Module Paths and Port Numbers34
Figure 2-9. a Typical DACS Module and Its Active Map36
Figure 2-10. M-DACS Fiber Ring Configuration before a Failure (Sample Configuration)38
Figure 2-11. M-DACS Fiber Ring Configuration after a Failure (Sample Configuration)39
Table 2-2. M-DACS A, MAP 040
Table 2-3. M-DACS A, MAP 141
Table 2-4. M-DACS B, MAP 042
Table 2-5. M-DACS B, MAP 443
Table 2-6. M-DACS C, MAP 044
Table 2-7. M-DACS D, MAP 045
M-Dacs Multiplexer Components46
Figure 2-12. Front and Rear Views of M-DACS Shelf47
Figure 2-13. M-DACS Processor Module49
Figure 2-14. M-DACS Framer Module50
Figure 2-15. Functional Diagram, CM4 Common Module, Communications Control52
Figure 2-16. the Meaning of Bus a and Bus B Channel Module Settings54
Figure 2-17. MA-235/MA-240 Rear Panel View with Pinouts58
Figure 2-18. DACS MA-260, MA-262 and MA-263-Line I/Os, Rear Panel Views and Jumper Settings59
Figure 2-19. Typical M-DACS Optical Interface Adapter, Rear Panel View61
Table 2-10. Characteristics of IMUX 2000 Optical Interface Adapters62
Figure 2-20. SAG Module Used in M-DACS63
Table 2-11. SAG Module Controls and Indicators64
Figure 2-21. SAG Module Connectivity Overview65
Figure 2-22. MA-810 Module Adapter Connectors66
Figure 2-23. SNMP Access Gateway DB9 Pin out67
Figure 2-24. Functional Diagram, IMUX 2000 M-DACS Power Supply and Power Supply Alarm I/O Module68
Table 2-12. Characteristics of Power Supply Alarm I/O Modules69
Figure 2-25. Typical Power Supply Alarm I/O Module, Rear Panel View70
Figure 2-26. Side View of M-DACS Shelf, Showing Insertion of Modules and Module Adapters71
M-Dacs Chassis, Front-Panel Switches, Indicators, and Jacks72
Figure 2-28. Front View of M-DACS Shelf with Door Closed, Showing the System Status Indicators73
Table 2-13. System Status Indicators and the ACO Switch74
Table 2-14. T1 Test and Monitor Bantam Jacks76
Table 2-15. Indicators and Toggle Switches Used to Display and Set T1 Common Module Functions77
Table 2-16. T1 Common Module Standard Groups and Functions78
Table 2-17. T1 Common Module Supplementary Groups and Functions79
Table 2-18. T1 Receive Status Functions80
Figure 2-29. Overview of CM4 Groups and Functions81
Table 2-20. Loop, Internal and External Indicators82
Table 2-21. TX, LPBK and ERR Indicators83
Table 2-22. RX, BPV and FRM Indicators84
Multiplexer, Rear Panel Power and Relay Connections85
Figure 2-30. Rear Panel Terminal Strips on M-DACS Poweri/O Module86
Multiplexer, Setup Jumpers and Dip Switches87
Section 3. SYSTEM OVERVIEW89
Figure 3-1. M-DACS Chassis, Front View90
Figure 3-2. M-DACS System Block Diagram91
Figure 3-3. Mapping Block Diagram95
Channel Module Types98
Physical Slots and Time Slots99
Figure 3-4. Effect of Direction Settings on Channel Modules100
Channel Module Configuration Guidelines101
Power Available for Channel Modules102
July105
Setting Jumpers on the Cm4 Common Module106
Using the Cm4, Group and Set/Next Switches107
July108
SETTING CM4, T1 TRANSMITTER TIMING (TIME Group)109
SETTING CM4, T1 FRAME FORMAT and LINE CODE (TSEL Group)110
ACTIVATING and DEACTIVATING CM4, T1 LOOPBACKS (LPBK Group)111
Figure 4-3. Signal Flow in Common Module for Various Loopbacks112
THE MEANING of BLINKING INDICATORS (BLNK Group)113
CM4 PERFORMANCE DATA (RVU1 Group)114
CM4 DIAGNOSTIC DATA (DIAG Group)115
SETTING M-DACS MULTIPLEXER NETWORK ADDRESS (ADDR Group)116
Table 4-7. Changing Multiplexer Network Address from 001 to 040117
SETTING CM4, REMOTE PORT PARAMETERS (SIO Group)118
Figure 4-4. Example of a Network Management Terminal Which Is Simultaneously Connected to Multiple IMUX122
Setting the Sqel Function123
Table 4-9. Squelch Settings124
SETTING the CM4 INTERFACE FUNCTION (INTF Group)126
Using the Alarm Cut-Off Switch130
Displaying and Setting Supplementary Functions131
Table 4-12. Contents of the Supplementary Configuration Group132
Reset-Chart Procedure for Cm4 Module133
Figure 4-7. Overview of CM4 Groups and Functions134
February135
Software Installation136
Figure 5-1. Typical Desktop Showing the RFL NMS Version 10.3 Icon137
Connecting Your Pc to the Network138
Figure 5-2. PC Directly Connected to a Node Using an RS-232 Cable or an RJ-45 Ethernet Cable139
Figure 5-3. PC Connected to a Node from a Remote Location140
Figure 5-5. PC at a Remote Location Connected to 4 Nodes, Where each Node Is a Different Network141
Figure 5-6. PC at a Remote Location Connected to 4 Nodes, Where All Nodes Are in the same Network142
Figure 5-7. Typical Networks and Communications Paths143
Using the Network Management Software Icons144
Example of Configuring a Network147
Figure 5-9. Basic Drawing of the Network Used in the Example148
Figure 5-10. IMUX 2000 M-DACS Network Example149
Figure 5-11. Network Management Software Main Window151
Figure 5-12. Edit Network Information Window152
Figure 5-13. Read Network Setup Window155
Figure 5-14. Auto-Configure Options Window156
Figure 5-15. Network View Window157
Figure 5-16. Display/Change Node Window for Node 1158
Figure 5-17. DACS Module Configuration Window159
Figure 5-18. Point-To-Point System Timing Setting163
Figure 5-19. M-DACS Drop/Insert Linear System Timing Setting164
Figure 5-20. M-DACS Ring System Timing Setting165
Figure 5-21. Port 1 Configuration Parameters Window for a T1 System166
Figure 5-22. DACS Module Map Window for Node 1 of a T1 System169
Figure 5-23. Typical FDL Signal Routing for Map 0170
Figure 5-24. Map Select Criteria Window for Map 1 of a T1 or E1 System171
Figure 5-25. DACS DS0 Map 0 Window for a T1 System174
Figure 5-26. Robbed Bit Signal Selects Window for T1 Systems Only176
Figure 5-27. DACS Module Status Window177
Table 5-2. Status Leds under NMS DACS Module Status Screen178
Figure 5-28. Alert/Alarm Details Window179
Figure 5-29. CM4 Configuration and Status Window180
Figure 5-30. Configuration and Status Window for the VF5C181
Figure 5-31. View or Change a Card Window for the VF16B182
Figure 5-32. Configuration and Status Window for the DS562I183
Figure 5-33. Network View Window after Connecting Lines to Nodes184
Figure 5-34. Typical Alarm Log Report186
Figure 5-35. Page 1 of Typical Complete Network Information Report187
Figure 5-36. Typical Connection View Report188
Figure 5-37. Page 1 of a Typical DACS Map Report189
Figure 5-38. Page 1 of a Typical DACS Mapdifference Report190
Figure 5-39. Typical Difference Report191
Figure 5-40. Page 1 of a Typical Event Log Report192
Figure 5-41. Typical Network Diagram Report193
Network Management Software Help196
Modules Supported by the Network Management Software198
Table 5-3. CM4 Module Parameters199
Table 5-4. M-DACS Module Parameters201
Password Protection202
October203
Figure 6-1. Local Connection204
Figure 6-3. Remote Connection over a Public Switched Network205
Section 7. INSTALLATION and CHECK-OUT207
Figure 7-1. Power Supply Removal and Installation209
Figure 7-2. M-DACS Chassis Mounting Dimensions210
Figure 7-3. Terminal Strip Power Connections IMUX 2000 M-DACS Multiplexers with Single Power Supply Modules213
Figure 7-4. Teminal Strip Power Connections IMUX 2000 M-DACS Multiplexers with Redundant Power Supply214
Figure 7-5. Label on Front Door for Recording Input Voltage Configuration217
System Check-Out Procedures219
Figure 7-8. CM4 Front Panel LED Indicators222
Figure 7-9. CM4 Front Panel LED Indicators225
Adding Channel Modules to Existing Systems227
Section 8. TROUBLESHOOTING229
Figure 8-2. Using IMUX 2000 M-DACS T1 Loopbacks232
Figure 8-3. In-Service Monitoring of a T1 Circuit235
Figure 8-4. Out-Of-Service Testing of a T1 Circuit236
Figure 8-5. Testing an Individual Channel on an In-Service T1 System237
Figure 8-6. Testing Channel Modules Using a Local T1 Loopback238
Cm4 Common Module Diagnostics239
Table 8-2. CM4 Status Messages243
October244
Fuse Replacement245
How to Arrange for Servicing246
August247
Table 9-2. IMUX 2000 M-DACS Power Supply Specifications248
Alarm I/O Module255
Power Supply Schematics256
Figure 9-1. Schematic, IMUX 2000 M-DACS Power Supply (Drawing No. D-105499-1-G, Sheet 1 of 2)257
Figure 9-2. Schematic, IMUX 2000 Power Supply, 24Vdc 48/125 VDC and 120 Vac High Power259
Figure 9-3. Schematic, IMUX 2000 Power Supply, 220 Vac262
Figure 9-4. Schematic, IMUX 2000 Power Supply Alarm I/O263
Figure 9-5. Schematic, IMUX 2000 Power Supply, Alarm I/O 24 VDC264
Section 10. REFERENCE DATA265
Glossary266
Index271
Section 14. PROTECTION and CONTROL MODULES273
March277
February297
August353
June355
October455
March500
Section 13. VOICE MODULES503
December577
Section 16. SPECIAL INTERFACES817
April823
March842
November847
Section 17. APPLICATION NOTES (APPENDIX I)961
Section 18. ACCESSORY EQUIPMENT and SYSTEM DRAWINGS981

RFL Electronics IMUX 2000 - Figure 8-6. Testing Channel Modules Using a Local T1 Loopback

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