For equipment with internal power supplies 22
For equipment with external power supplies 23
Important safety instructions 23
North American regulations 25
Telecommunication Registration 25
Federal Communication Commission (FCC) Notice Radio/TV
interference 26
Devices intended to be connected to the Public Switched Tele-
phone Network 27
US 27
Canada 30
Signaling method 31
Ringer Equivalence Number 31
Hearing aid compatibility (HAC) 32
Use of a music source 32
Programming emergency numbers 33
Limited Warranty 34
Exclusions 34
International Regulatory Information 36
How to use this document 37
What’s new with Norstar 39
New features and hardware for version 6.1 39
Other feature notes 41
Welcome to ISDN 43
Comparing ISDN to Analog 44
Type of ISDN service 44
B channels 45
D channels 45
ISDN layers 45
ISDN bearer capability 46
P0603534 02Modular ICS 6.1 Installer Guide
iv / Table of Contents
Services and features for ISDN PRI and BRI 47
PRI services and features 47
BRI services and features 48
Feature descriptions 49
Network name display 49
Message Waiting Indicator (MWI) 50
Name and number blocking 50
External call forwarding 50
MCDN trunk features 51
Call by Call service selection for PRI 51
Emergency 911 dialing 52
MCID (Profile 2) 53
Network Call Diversion (Profile 2) 53
DTI card configured as a PRI card 53
ISDN hardware 54
DTI card configured as PRI 54
BRI Card 54
BRI-U2 and BRI-U4 card 55
BRI-ST card 55
U-LT reference point 55
U-NT reference points 56
S reference point 57
T reference points 58
Clock source for ISDN cards 59
Other ISDN BRI equipment: NT1 60
ISDN standards compatibility 61
Working with ISDN 63
Planning your ISDN network 63
Ordering ISDN PRI 63
Ordering ISDN PRI service in Canada 63
Ordering ISDN PRI service in United States 64
Ordering ISDN BRI 64
Ordering service in Canada 64
Ordering ISDN service in the U.S. 64
Supported ISDN protocols 66
ISDN programming 66
Programming ISDN PRI resources 67
Programming ISDN BRI resources 68
Programming ISDN PRI lines 71
Programming ISDN BRI lines 71
Programming Direct Inward System Access (DISA) on PRI
Modular ICS 6.1 Installer GuideP0603534 02
trunks 72
Programming ISDN equipment 73
Terminal equipment for BRI cards 73
Devices on an S or LT loop (BRI cards only) 73
ISDN router 76
D-packet service (BRI cards only) 76
POSTA for ISDN BRI 77
Point-of-sale terminal adapter 78
Trunks and target lines 79
Trunk operating modes (T1) 80
Ground start trunks (T1 only) 80
DID trunks 81
Analog loop start trunks 83
Analog E&M trunks 85
BRI trunks 87
PRI trunks 87
Target lines 88
Remote system access 89
Use system features during a remote call 89
Remote access on loop start and E&M trunks 90
Remote access on a private network 90
Remote access on Direct Inward Dial (DID) trunks 91
Remote access on PRI trunks 91
Table of Contents / v
Controlling system access 93
Class of Service 93
Restriction filters 94
Direct inward system access (DISA) 96
Networking with Norstar 99
Tie-line networking 100
Norstar behind a PBX 101
Dialing plans 102
Dialing plan using public lines 104
Destination code numbering in a network 104
Dialing plan using E&M lines 105
Dialing plans with shared line pools 109
Call-by-Call Services Example 111
Norstar Configuration 113
P0603534 02Modular ICS 6.1 Installer Guide
vi / Table of Contents
PRI dialing plan example for two-way DID 115
Static DID and two-way DID 116
Private networking using PRI SL-1 117
SL-1 networking features 117
Features specific to Advanced Private Network 118
Private Network Tandem calling 119
Calls originating from the public network 120
Calls originating in the private network 123
Routing for tandem networks 126
Advanced Private Networking 128
Networking using routing codes 128
MCDN Private Networking 134
Using a UDP dialing plan 135
Using a CDP dialing plan 138
MCDN Meridian 1 attendant MCDN features 150
Message Waiting Indication 151
Camp-on 152
Break-in 154
Central voice mail and Auto Attendant with Norstar 156
Configuring centralized voice mail 157
Local system 157
Remote system 158
Using centralized voice mail 160
Configuring Centralized Auto Attendant (CAA) 160
Assigning PNIs 161
Assigning PNIs for adjacent nodes 161
Local system 162
Remote system 163
Voice mail configuration 164
Customer Use 166
Public network 166
Call one or more Norstar telephones 166
Call Norstar and select tie lines to a private network 167
Call Norstar and select lines to the public network 169
Private network 170
Call one or more Norstar telephones 170
Modular ICS 6.1 Installer GuideP0603534 02
Use tie lines to other nodes in the private network 171
Select lines to the public network 172
Select E&M trunks to the private network 173
Norstar Line Redirection feature 174
ETSI, MCDN and Network features 176
Network Call Diversion 176
Allowing NCD 177
Feature description 177
Programming and restrictions 178
Examples of ISDN Scenarios 183
ISDN applications 183
Video conferencing and video telephony 183
Desktop conferencing 183
File transfer 184
Telecommuting 184
Group 4 fax 184
Remote LAN access 184
Leased line backup 184
LAN to LAN bridging 185
Internet and database access 185
Table of Contents / vii
Planning the installation 187
Planning checklist 188
Hardware 188
Initial configuration 188
System configuration 189
Required equipment 189
Expansion equipment 190
Optional equipment 191
Equipment for installing the ICS and modules 192
Location requirements 192
Electrical requirements 194
Configuring Trunk Cartridges 195
Configuring Station Modules 196
P0603534 02Modular ICS 6.1 Installer Guide
viii / Table of Contents
Internal wiring requirements 196
Norstar loop 196
ISDN S reference point (S Loop) 197
System overview 198
Upgrading your Norstar system 199
Supported upgrades in MICS 6.1 200
Upgrade from versions 4.0 to 6.0 to version 6.1 203
Upgrade from pre-4.0 to 6.1 without upgrade tool 204
Upgrade from pre-4.0 to later versions using the upgrade
tool 205
Upgrading from MICS 6.1 to MICS-XC 6.1 207
Trunk and Station Modules 210
Global Analog Trunk Cartridge/CLI Cartridge 210
Off-core DTI card 211
Replacing a Modular 8x24 KSU 212
Trunk module line numbering 216
Upgrading ILG functionality with hunt groups 217
Planning Hospitality functions 218
Installation 219
Installation checklist 220
Testing the ISDN BRI network connection 222
Installing the cartridges 223
Mounting the modules 225
Installation tips 227
Installing the ROM Software Cartridge 229
Inserting a cartridge 231
Terminating resistors on BRI-ST Cards 232
Shorting straps on a BRI-ST card 233
Connecting expansion modules 234
Order of connection 234
Analog Station Module 234
Installing fiber cables 240
Fiber cable management system 241
Using the fiber cable management system 242
Using the fiber spool 244
Making fiber connections 245
Routing fiber cables 246
Connecting the wiring 247
Connecting the wiring to the distribution panel 247
Modular ICS 6.1 Installer GuideP0603534 02
Table of Contents / ix
Wiring charts 252
Port numbering on the wiring charts 252
Integrated Communications System (ICS) 252
BRI Wiring charts 261
Wiring the BRI network interface 267
DTI wiring 269
E&M/DISA Trunk Cartridge wiring chart 273
DID supervisory signaling 276
S or T extension wiring configurations 284
Additional power 285
U-LT wiring for terminal equipment 285
Installing optional equipment 287
Auxiliary ringer (customer supplied) 287
Auxiliary ringer programming 287
External music source (customer supplied) 288
External music source programming 288
External paging system (customer supplied) 289
Powering up the system 290
Check the power 291
Programming 293
Programming overview 294
Profile, Dialpad and Startup programming 295
Installer or System Coordinator Plus programming 296
System Coordinator programming 297
Admin/Basic programming 297
Programming tools 298
The programming overlay 298
Using the telephone buttons for programming 300
Special characters on the display 301
The display buttons 301
The Norstar Programming Record 303
Exiting 303
Viewing your programming updates 303
Entering numbers 304
P0603534 02Modular ICS 6.1 Installer Guide
x / Table of Contents
Viewing long telephone numbers 304
Setting up User Preferences 305
Copying telephone programming 306
System ID 309
Reviewing programmed settings 309
Viewing the programming for a telephone 310
Viewing the programming for a line 310
Programming sequence 311
Profiles and Dialpads 312
Profile programming 312
Profile parameters 312
Changing the profile 315
Dialpad programming 316
Startup programming 317
Performing Startup 317
Changing the default telephony template 318
Changing the starting DN 319
Programming 321
Entering programming for installers 322
Entering programming for system coordinators 323
Entering programming using other passwords 324
Terminals&Sets 325
Line access 325
Line assignment 326
Appearances 327
Line pool access 329
Prime line 330
Intercom keys 331
Answer DNs 332
OLI # 333
Capabilities 335
Name 337
User prefernces 338
Restrictions 339
Filters 339
Default filters 341
Set restrns 344
Filters 344
Set lock 345
Allow last no 345
Allow saved no 345
Modular ICS 6.1 Installer GuideP0603534 02
Allow link 345
Line/set restrns 346
Telco features 347
Feature assignment (CLID alignment) 347
Caller ID set 347
Extl VMsg set 348
1stDisplay 349
Called ID 349
Log space 349
Lines 351
Trunk/Line data 351
Copying Trunk and Line data 353
Trunk type 353
Line type 354
Line connected to a DTI 355
Dial mode 356
Rec’d # 357
If busy 357
Prime set 358
Auto privacy 358
Trunk mode 359
Ans mode 359
Ans with DISA 360
Link at CO (loop trunks only) 361
Aux. ringer 361
Full AutoHold 362
LossPkg 362
Signal 363
ANI Number 364
DNIS Number 364
Gain 365
Programming distinctive ring patterns 366
Name 367
Restrictions 367
Restrn filters 368
Line restrns 368
Remote restrns 369
Telco features 370
VMsg center 1 370
Services 371
Common settings 372
Control sets 372
Table of Contents / xi
P0603534 02Modular ICS 6.1 Installer Guide
xii / Table of Contents
Schedule names 373
Schedule times 373
Ringing service 375
Ringing groups 375
Sched:Night 376
Service 376
Trunk answer 376
ExtraDial telephone 377
Line settings 377
Restrn service 379
Routing service 379
Routes and destination codes 381
Routes 381
DialOut 382
Use Pool 382
Routing table 383
Programming the PRI routing table 384
Dest codes 385
Wild card character 386
Normal rte 388
Digit Absorption 388
Setting up a route for local calling 389
Setting up a route for long distance calling 391
Adding a long distance carrier access code 393
Programming for least cost routing 395
Multiple least cost routing 396
Sched:Night 397
Using dialing restrictions with routing 399
Sys speed dial 400
Passwords 401
Silent Monitor password 407
Time&Date 408
System prgrming 409
Hunt groups 409
Adding or removing members from a group 410
Moving members of a group 412
Assigning or unassigning lines to a group 412
Setting the distribution mode 413
Setting the hunt delay 414
Programming busy line setting 414
Programming the queue timeout 415
Programming the overflow set 415
Setting the Hunt group name 416
Allowing/disallowing an auxiliary ringer 416
Assigning a distinctive ring pattern to a Hunt Group 416
Monitoring Hunt groups 417
Change DNs 418
Featr settings 419
Loop 498
Type 498
Lines 498
No SPIDs assignd 499
# of B-channels 499
Network DNs 500
Call type 500
D-packet servce 501
Lp 501
TEIs 502
No TEIs on loop 502
Sampling 502
DNs on Loop 503
Assign DNs 503
Loop DN 503
Clock Src 504
Setting the clock source for DTIs and PRI 508
T1 or ISDN-PRI configurations 509
DataMod 510
Type 510
Maintenance 511
Beginning a Maintenance session 512
System version 513
Checking the version of the system 513
Port/DN status 514
Identifying a connected device 515
Displays 516
Checking the device version number 517
Checking the state of the device 518
Disabling a device 519
Displays 519
Enabling the device 520
Modular ICS 6.1 Installer GuideP0603534 02
Table of Contents / xvii
Returning to the beginning 520
Module status 521
Looking at the module inventory 521
Checking the number of Cartridges 522
Checking the state of a module 522
Checking the state of a cartridge 523
Disabling a module or its cartridges
524
Enabling a module or its cartridge 524
Returning to the beginning 525
System test log 526
Checking the items in the log 526
Checking the current alarm 527
Checking when each item occurred 527
Checking consecutive repetitions of an event or alarm 527
Erasing the log 528
System administration log 529
Checking the items in the log 529
Checking the current alarm 530
Checking when each item in the log occurred 530
Erasing the log 530
Network evt log 531
Checking the items in the log 531
Checking the current alarm 531
Erasing the log 532
Checking when each item in the log occurred 532
Alarm codes 533
If you see an alarm code 534
Alarm troubleshooting 537
Displays 546
Provisioning BRI and PRI lines 549
BRI and T1 lines 549
Cd1-ICS 549
L001 550
Provisioning a T1 line 550
Provisioning a PRI line 550
P0603534 02Modular ICS 6.1 Installer Guide
xviii / Table of Contents
Deprovisioning a line 551
Disabling a PRI Channel 551
Tests 552
Loopback tests for T1 or ISDN-PRI lines 552
Tests initiated from Norstar 556
Tests initiated by the central office 556
Starting a loopback tests 557
Operating a Continuity loopback test 558
Loopback test for BRI lines 558
Operating a payload loopback test 559
CSU stats 560
Statistics 560
Checking the performance statistics 561
Checking the CSU alarms 563
Checking active alarms 563
Checking carrier failure alarms 563
Checking bipolar violations 564
Checking short term alarms 564
Checking defects 564
Resetting all statistics 565
Diagnostic tools 566
Link Status 567
Working with fractional PRI 567
Usage Metrics 569
Hunt groups 569
Call-by-Call 570
Clearing the metrics 571
Troubleshooting 573
Getting ready 574
Types of problems 575
Misunderstanding a feature 575
Programming errors 575
Wiring connections 575
Equipment defects 575
General troubleshooting procedure 576
Problems with telephones 577
Set has faulty buttons, display, handset or other hardware
problems 577
Modular ICS 6.1 Installer GuideP0603534 02
Table of Contents / xix
Unreadable set display 577
Telephone dead 578
Running a Maintenance session to test a dead telephone
579
Replacing a telephone 579
Emergency telephone dead 580
Problems with lines 581
Calls cannot be made (but can be received) 581
Dial tone absent on external lines 582
Hung lines at a telephone 583
Auto-answer line rings at a telephone 584
Prime telephone gets misdialed calls 586
Selected lines reads Not in service or Not available 587
Selected line pool displays: No free lines 589
Problems with optional equipment 591
Analog Terminal Adapter 591
Running a Maintenance session to test an ATA 591
Auxiliary ringer 592
External paging 593
Music on Hold/Background Music trouble 593
KIM not working 594
Cold starting the KIM 594
Problems with trunk cartridges service 596
Digital Trunk Interface trouble 597
Monitoring the T1 or PRI signal 599
Problems with BRI service 600
The BRI card is connected to the ISDN network (U loop) but the
LED for one of more loops is not lit 600
Solution 600
Out of service displays when a BRI is selected
(LED for loop is lit) 601
All the LEDs on a BRI Card are flashing 601
Caller hears one ring and then a fast busy signal when placing
a call on a BRI line 602
ICS down 603
Trunk or Station Module down 604
Data Module down 605
Problems for network or remote users 606
Remote feature code gets no response 606
Dialed number gets ringback and the wrong person 606
P0603534 02Modular ICS 6.1 Installer Guide
xx / Table of Contents
Dialed number gets stuttered dial tone instead of ringback 607
Dialed number gets dial tone instead of ringback 608
Dialed number gets busy tone 608
Dialed number does not get through 609
Dialed DISA number gets ringback instead of stuttered dial
tone 611
Dialed DISA number gets dial tone instead of stuttered dial
tone 612
DISA user gets overflow tone when entering COS
password 613
Dialed feature code gets overflow tone 614
Dialed feature code gets busy tone 615
Line pool access code gets overflow tone 616
Line pool access code gets ringback 617
Line pool access code gets busy tone 618
Dialed number gets no response 619
Specifications 621
Norstar system 621
Digital Trunk Interface 623
Glossary 625
Index 647
Backup programming overlays 689
Modular ICS 6.1 Installer GuideP0603534 02
Regulations
Installation Safety warning
Only qualified persons should service this
system.
The installation and service of this hardware is to
be performed only by service personnel having
appropriate training and experience necessary to
be aware of hazards to which they are exposed in
performing a task and of measures to minimize the
danger to themselves or other persons.
Electrical shock hazards from the
telecommunication network and AC mains are
possible with this equipment. To minimize risk to
service personnel and users, the system must be
connected to an outlet with a third-wire ground.
Service personnel must be alert to the possibility of
high leakage currents becoming available on metal
system surfaces during power line fault events
near network lines. These leakage currents
normally safely flow to Protective Earth ground via
the power cord.
Therefore, it is mandatory that connection to an
earthed outlet is performed first and removed last
when cabling the unit. Specifically, operations
requiring the unit to be powered down must have
the network connections (central office lines)
removed first.
This equipment meets all applicable requirements of CSA and
UL safety standards for North America and relevant EN60950
specifications for European and other markets.
P0603534 02Modular ICS 6.1 Installer Guide
22 / Safety and installation
Safety and installation
The shock hazard symbol within an equilateral
triangle is intended to alert personnel to electrical
shock hazard or equipment damage.
The following precautions should also be
observed when installing telephone equipment.
• Never install telephone wiring during a lightning
storm.
• Never install telephone jacks in wet locations unless
the jack is specifically designed for wet locations.
• Never touch uninsulated telephone wires or terminals
unless the telephone line has been disconnected at
the network interface.
• Use caution when working with telephone lines.
The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operating and maintenance
(servicing) instructions in the literature
accompanying the product.
This symbol (if applicable) on the product is used to identify
the following important information:
For equipment with internal power supplies
•Mains nominal AC voltage 110-120 V~; 60Hz
•Mains nominal AC voltage 220-240 V~; 50Hz
Modular ICS 6.1 Installer GuideP0603534 02
Safety and installation / 23
For equipment with external power supplies
•Must be powered from an approved Class 2 power source.
For current ratings, refer to product specific documentation
and product labels.
Important safety instructions
When using your telephone equipment, basic safety
precautions should always be followed to reduce the risk of
fire, electric shock and injury of persons, including the
following:
•Follow the warnings and instructions marked on the
product.
•Unplug this product from the wall outlet before cleaning.
Do not use liquid cleaners or aerosol cleaners. Use a damp
cloth for cleaning.
•Do not use this product near water, for example, near a
bathtub, wash bowl, kitchen sink, or laundry tub, in a wet
basement or near a swimming pool.
•Do not place this product on an unstable cart, stand or
table. The product may fall, causing serious damage to the
product.
•This product should never be placed near or over a radiator
or heat register. This product should not be placed in a
built-in installation unless proper ventilation is provided.
•Do not allow anything to rest on the power cord. Do not
locate this product where the cord will be abused by
persons walking on it.
•Do not overload wall outlets and extension cords as this
can result in the risk of fire or electric shock.
•Never spill liquid of any kind on the product.
P0603534 02Modular ICS 6.1 Installer Guide
24 / Safety and installation
•To reduce the risk of electric shock, do not disassemble
this product, but have it sent to a qualified service person
when service or repair work is required.
•Unplug this product from the wall outlet and refer
servicing to qualified service personnel under the
following conditions:
a. When the power supply cord or plug is damaged or
frayed.
b. If the product has been exposed to rain, water or liquid
has been spilled on the product, disconnect and allow
the product to dry out to see if still operates; but do not
open up the product.
c. If the product housing has been damaged.
d. If the product exhibits a distinct change in performance.
•Avoid using telephone equipment during an electrical
storm. There may be a remote risk of electric shock from
lightning.
•Do not use the telephone equipment to report a gas leak in
the vicinity of the leak.
•To eliminate the possibility of accidental damage to cords,
plugs, jacks, and the telephone equipment, do not use
sharp instruments during the assembly procedures.
•Do not insert the plug at the free end of the handset cord
directly into a wall or baseboard jack. Such misuse can
result in unsafe sound levels or possible damage to the
handset.
•Disconnect telecommunications lines before unplugging
main power cord.
•Save these instructions
Modular ICS 6.1 Installer GuideP0603534 02
North American regulations / 25
North American regulations
Telecommunication Registration
Norstar equipment meets all applicable requirements of both
Industry Canada CS-03 and US Federal Commission FCC Part
68 and has been registered under files Industry Canada 332D5980A and FCC US:AB6KF15B20705 (key system),
US:AB6MF15B20706 (hybrid system), and
US:AB6PF15B23740 (PBX system). Connection of the
Norstar telephone system to the nationwide
telecommunications network is made through a standard
network interface jack that you can order from your local
telecommunications company. This type of customerprovided equipment cannot be used on party lines or coin
lines.
Before installing this equipment, users should ensure that it is
permissible to be connected to the facilities of the local
telecommunications company. The equipment must also be
installed using an acceptable method of connection. The
customer should be aware that compliance with the above
conditions may not prevent degradation of service in some
situations.
Repairs to certified equipment should be made by an
authorized maintenance facility designated by the supplier.
Any repairs or alterations made by the user to this equipment,
or equipment malfunctions, may give the telecommunications
company cause to request the user to disconnect the
equipment. Users should ensure for their own protection that
the electrical ground connections of the power utility,
telephone lines and internal metallic water pipe system, if
P0603534 02Modular ICS 6.1 Installer Guide
26 / North American regulations
present, are connected together. This precaution may be
particularly important in rural areas.
Users should not attempt to make such
connections themselves, but should contact
the appropriate electric inspection authority, or
electrician.
Federal Communication Commission (FCC)
Notice Radio/TV interference
This equipment, has been tested and found to comply with the
limits for a Class A digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction
manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential
area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own
expense.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to
operate the equipment.
Modular ICS 6.1 Installer GuideP0603534 02
North American regulations / 27
Devices intended to be connected to the Public
Switched Telephone Network
State and local requirements for support of
Emergency 911 Dialing service by Customer
Premises Equipment vary. Consult your local
telecommunications service provider
regarding compliance with applicable laws
and regulations.
US
This telephone equipment complies with Part 68, FCC Rules
for direct connection to the Public Switched Telephone
Network (The FCC registration number appears on a label
affixed to the ICS).
Your connection to the telephone line must comply with these
FCC Rules:
•Use only an FCC Standard network interface jacks and
FCC compliant line cord and plug to connect this
equipment to the telephone line.
•If a network interface jack is not already installed in your
location, you can order one from your telephone company.
Order the following network jacks along with the
corresponding Facility Interface Code (FIC):
BRI-U2 and BRI-U4 Cards
NT7B86GB-93 and
NT7B87GB-93
BRI-ST - NT7B76GY-93
(when connected to an NT1 which
has a U interface to the telephone
network)
DID - NT5B37GA-930.0BRJ21XAS.202RV2-T
Off-premise sets (OPX) -
Analog Terminal Adapter
—RJ48C6.0Y04DU9-
—RJ49C6.0Y02IS5
—RJ49C6.0Y021S5
—RJ11C9.0F0L13B
RJ21X9.0F02LS2
RJ21X9.0F02LS2
1SN
Notify service provider if DTI is disconnected.
You must notify your T1 service provider any time the
1.544 Mbps DTI interface is disconnected from the
network.
Modular ICS 6.1 Installer GuideP0603534 02
North American regulations / 29
In some states, customers are permitted to install their own
jacks.
•The equipment cannot be used with or connected to a party
line or a public coin phone service provided by the
telephone company. Connection to Party Line Service is
subject to state tariffs. Contact the Public State Utility
Commission, Public Service Commission or Corporation
Commission for information.
•It is no longer necessary to notify the Telephone Company
of your system Registration and REN numbers. However,
you must provide this information to the telephone
company if they request it.
•If this equipment causes harm to the telephone network,
the telephone company will notify you in advance that
temporary discontinuance of service may be required. If
advance notice is not practical, the telephone company will
notify the customer as soon as possible. Also, you will be
advised of your right to file a complaint with the FCC if
you believe it necessary.
•The telephone company may make changes in its facilities,
equipment, operations or procedures that could affect the
operation of the equipment. If this happens the telephone
company will provide advance notice in order for you to
make necessary modifications to maintain uninterrupted
service.
•Do not attempt to repair this equipment yourself. If trouble
is experienced with this equipment, please refer to the
repair and warranty information, noted below. If the
equipment is causing harm to the telephone network, the
telephone company may request that you disconnect the
equipment until the problem is resolved.
P0603534 02Modular ICS 6.1 Installer Guide
30 / North American regulations
•Allowing Direct Inward Dial (DID) Equipment to be
operated in such a manner as to not provide for proper
answer supervision is a violation of Part 68 of the FCC
Rules. Proper answer supervision is when:
a. This equipment returns answer supervision to the PSTN
when DID calls are:
— answered by the called station
— answered by the attendant
— routed to a recorded announcement that can be
administered by the CPE user.
— routed to a dial prompt
b. This equipment returns answer supervision on all DID
calls forwarded to the PSTN. Permissible exceptions
are:
— a call is unanswered.
— a busy tone is received.
— a reorder tone is received.
Canada
Before installing this equipment, users should ensure that it is
permissible to be connected to the facilities of the local
telecommunications company. The equipment must also be
installed using an acceptable method of connection. The
customer should be aware that compliance with the above
conditions may not prevent degradation of service in some
situations.
Repairs to certified equipment should be made by an
authorized Canadian maintenance facility designated by the
supplier. Any repairs or alterations made by the user to this
equipment, or equipment malfunctions, may give the
Modular ICS 6.1 Installer GuideP0603534 02
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