The information contained in this document is the property of Aculab plc and may be the
subject of patents pending or granted, and must not be copied or disclosed without prior written
permission. It should not be used for commercial purposes without prior agreement in writing.
Aculab endeavours to ensure that the information in this document is correct but does not
accept liability for any error or omission.
IBM and PC/AT are registered trademarks of International Business Machines Corporation.
Microsoft and Windows are trademarks of the Microsoft Corporation.
This document is the instructions for use for the Aculab MC3 PCI card :
• Section 1 of this document provides a general description of the MC3 PCI card, and its
features and facilities.
• Section 2 refers to installation of the MC3 PCI card into a host computer, and subsequent
connection to the network.
• Section 3 references the installation and configuration of the MC3 PCI card device driver
• Section 4 provides some background technical information.
• Section 5 details the conditions and the requirements for installation and safety, and other
regulatory matters. This section and the country-specific appendix contain many statements
regarding use of the MC3 PCI card that are legal requirements. Failure to use the MC3 PCI
card in accordance with any of these instructions for use may invalidate the approval.
• Section 6 provides country-specific information related to the other sections of this
document. To fully appreciate the conditions of approval for connection to the telephone
network, it is important that the country-specific appendix is read in conjunction with the
other sections of this document.
Note These instructions assume that these various elements are being assembled and integrated by someone competent in such matters.
Please contact Aculab if you are uncertain about any of the procedures detailed in this guide.
1.1.1 Target Application for the MC3 PCI card
The MC3 ring network concept provides a solution to the problem of synchronous
interconnection between a number of separate H.100 hosts.
An MC3 ring provides a total user bandwidth of 4846 timeslots of 64kbit/s each.
The Aculab MC3 PCI card provides a complete interface to an MC3 ring network for an H.100
host. At least two MC3 cards are needed to create a ‘ring’ with one card in each chassis that
needs to be interconnected.
The MC3 PCI card has a maximum switched capacity between H.100 and MC3 of 2048
timeslots of 64kbit/s each, or 1024 simultaneous bi-directional voice channels.
The MC3 PCI card includes the following features :
• MC3 port comprising two bi-directional fibre optic 155.52 Mbit/s serial interfaces.
• H.100 port.
• a high capacity digital switch to make connections in both directions between H.100 and
MC3 and between H.100 and H.100.
• a drop, insert and bypass digital switch to maintain ring integrity on MC3.
• full support for master clocking and slave clocking at both MC3 and H.100 including H.100
clock fallback.
• Bit Error Rate tester circuit.
• 5Vdc power outlet connector for power feeding to optical bypass relay (340mA
continuous).
• 32-bit 33MHz PCI interface.
An MC3 ring is built by connecting the nodes of the ring according to a dual contra-rotating
topology. At the logical level, there is a single MC3 ring network. At the physical level, there are
two separate rings, each of which is implemented using SONET/SDH optical fibre technology.
The term “contra-rotating” means that traffic on one physical ring circulates in the opposite
direction to traffic on the other physical ring.
The presence of 2 physical rings allows for the MC3 ring network to be reconfigured in order to
maintain service in the event of node failure. Aculab refers to this capability as “self-healing”.
The idea is that the failed node (or group of failed nodes) is isolated on one physical ring while
the remaining good nodes continue to be interconnected over the other physical ring.
Note The maximum capacity between H.100 and MC3 of 2048 timeslots is available even when MC3 PCI is operated in self-healing mode.
4
1.2 Overview of clock modes on the MC3 PCI card
The MC3 PCI card supports all the clock modes required by its MC3 and H.100 ports.
At MC3 :
• master timing on ring 1 and ring 2
• slave timing from ring 1
• slave timing from ring 2
At H.100 :
• master timing on A clocks
• master timing on B clocks
• primary master clock fallback
• slave timing from A clocks
• slave timing from B clocks
Typically, in single-host CTI systems, there is at least one digital trunk connection to the PSTN.
To ensure properly synchronous operation, timing for every card in such a CTI system must be
derived from the PSTN. One digital trunk interface is selected to supply a reference clock to the
whole system. This digital trunk interface is the H.100 clock master for the host system.
An MC3 ring network is a multiple single-host CTI system. The requirement for synchronous
operation now dictates that only one node is chosen as MC3 clock master. All other nodes are
MC3 clock slaves.
MC3 PCI Card Installation Guide
The MC3 clock master node will contain :
• an MC3 interface card operating as H.100 clock slave and connected to the MC3 ring as
MC3 clock master
• a digital trunk interface card connected to the PSTN and operating as H.100 clock master
Please contact Aculab for details of our E1, T1, J1, PRI and BRI digital trunk card products.
Each MC3 clock slave node will contain :
• an MC3 interface card connected to the MC3 ring as MC3 clock slave and operating as
H.100 clock master
When MC3 PCI is operating as H.100 clock master at a node it must source its timing from the
MC3 ring — it must slave timing from either ring 1 or ring 2.
Conversely, when MC3 PCI is operating as MC3 clock master at a node it must source its timing
from H.100 — it must slave timing from either A clocks or B clocks.
MC3 PCI includes a local oscillator that can be selected as the source of timing for MC3 systems
that do not connect to the PSTN.
1.3 MC3 PCI card Host Interface
The behaviour of the card is controlled by a device driver program running on the host
computer.
5
MC3 PCI Card Installation Guide
2 Card Installation
2.1 Card Installation - General
The installation procedure for expansion cards may vary from one type of host computer to
another, and the exact details of the installation procedures for expansion cards must be
followed from the user guide supplied by the host computer manufacturer.
• Do not attempt to install or remove the MC3 PCI card unless the mains power supply is
completely removed from the host computer.
• To ensure safety, any covers removed from the host computer in order to install the MC3
PCI card must be replaced before the mains power supply is reconnected.
• Proper ESD (electrostatic discharge) procedures should be maintained throughout.
To install the card to the host :
1. Turn off the power and disconnect any mains power leads.
2. Remove the host computer covers.
3. Locate a vacant PCI slot and remove the blanking plate.
4. Fit the card to the PCI slot and screw the bracket to the chassis.
5. Fit H.100 ribbon cable between the MC3 PCI card connector and any other cards that are
required to be in circuit.
6. Replace the covers on the host computer.
7. Attach the mains leads and apply power.
8. Install the device drivers as detailed in Section 3, or the Aculab Call, Switch & Speech
driver Installation Guide.
9. Install the application software as detailed in the appropriate documentation.
This completes the installation of the MC3 PCI card.
3 Switch Driver Installation
The MC3 PCI card driver is b2swdev.sys, installing the driver is documented in the Aculab Call,
Switch and Speech driver guide which can be downloaded from the support area of the
company web site at www.aculab.com
6
4 Technical Information
4.1 Environment
Operating conditions
The MC3 PCI card is designed to operate within an enclosed PC type system with or without
forced air-cooling. The following conditions should be maintained :
Ambient air temperature zero to 55 degrees Celsius
Relative Humidity : zero to 70% non-condensing
Storage and transport
The MC3 PCI card is designed such that its performance will not be degraded after being
subjected to the following conditions during storage or transport while packaged in a suitable
container :
Ambient air temperature zero to 100 degrees Celsius
Relative Humidity : zero to 95% non-condensing
4.2 Power Supply
The MC3 PCI card takes its power from the host computer expansion bus and has the following
power requirements :
MC3 PCI Card Installation Guide
5 Amps Max at +5V (d c) ± 5%
It is the user's responsibility to ensure that the host computer will be able to safely supply the
power required by the card in addition to any other auxiliary apparatus drawing power from it.
The card is specified to operate correctly with a tolerance (plus or minus) of 5% on the nominal
dc power supply voltage.
4.3 The Host PC System
An MC3 PCI card may be fitted to any computer with a PCI bus. The MC3 switch driver is
designed for use with Microsoft Windows NT4. The host PC must satisfy the minimum
requirement for use with Windows NT4. It is the responsibility of the user and/or application
developer to determine the suitability of any particular system configuration with respect to a
particular application.
7
MC3 PCI Card Installation Guide
4.4 MC3 PCI Card Architecture
OC3
Transceiver &
Framer
Fibre Ring 2 (2423)
1024
Fibre Ring 1 (2423)
OC3
Transceiver &
Framer
1024
Block diagram of the Aculab MC3 PCI card
Numbers attached to arrows indicate the number of timeslots available in the direction of the
arrow.
4.5 MC3 PCI card Reset
The MC3 PCI card enters a hardware reset state during power up and power down of the host
PC (i.e. any time the RESET line on the PCI bus is asserted) and any time the +5V power supply
from the host PC drops below a voltage at which proper operation can be maintained. The
supply voltage threshold is configured as 4.65V (-7% of nominal).
DHS
Pair
10241024
H.100 (4096)
Digital
Hyperchannel
Switch
Digital Switch
Array
(2048)
1024
BERT
DHS
Pair
4.6 The Digital Switch Array
It is the size of the Digital Switch Array which limits connectivity in this architecture.
For an application which connects the maximum number of bi-directional channels between
H.100 and MC3 there will be 1024 timeslots in each direction between H.100 and the Digital
Switch Array. It is possible to connect all of this traffic to a single physical ring because of the
capacity of the DHS Pairs. Typically though, in an MC3 ring network, traffic will be distributed
across both physical rings.
The hardware architecture of MC3 PCI will also support non-MC3 applications where, for
example, all 2048 timeslots at the Digital Switch Array are used to make transmit-only (or
receive-only) connections between H.100 and one or both fibre rings.
8
4.7 Bringing the Card into Service
At power-on, the card is switched out of memory; interrupt channels and termination are
disabled. As a minimum, at start-up, the following conditions must be established via the device
drivers :
• a clock mode for the card must be established
• the digital switch array must be initialised (switch driver loaded)
• H.100 clock termination must be activated when the card is at either end of the H.100 bus
and there are five or more cards on the H.100 bus
4.8 External Ports
There are three user ports; two accessed through the end bracket, and one internal H.100 ECTF
CTBus :
• 2x duplex fibre ports which together comprise the MC3 interface
• 1x RJ45 4-way port for power to optical bypass relay (5V, 340mA continuous)
• H.100 ECTF CTBus interface for interconnection with Computer Telephony resource cards
Please note that an optical bypass relay is optional third party equipment that is not supplied by
Aculab.
MC3 PCI Card Installation Guide
Connections are made to the duplex fibre ports using 62.5/125 µm multimode duplex fibre
cables fitted with SC-type connectors. The topologies of two ring systems are shown in the
following diagrams.
Optical Bypass Relays are not supplied by Aculab. The current drawn from the MC3 card for an
Optical Bypass Relay must not exceed 340mA for guaranteed continuous operation.
9
MC3 PCI Card Installation Guide
Connecting multiple cards without Optical Bypass Relays*
A possible configuration of multiple cards using Optical Bypass Relays*
Note *Optical Bypass Relays are not supplied by Aculab. The current drawn from the MC3 card for an Optical Bypass Relay must not exceed
340mA for guaranteed continuous operation.
10
5 Approvals
This section provides information on the Approval of the MC3 PCI card, and information that
may affect the Approval status of the card in use. Failure to use the MC3 PCI card in accordance
with any of these instructions may invalidate the Approval for connection. Further details are
given in the appendix.
5.1 Safety Information
There are four electrical interconnection ports on the card. These ports have the following safety
status :
Type of Cct Label on PCB Port Description
SELV J2/J7 PCI Bus Interface
SELV J6 H.100 Telecommunications Bus
SELV J5 Boundary scan connection
SELV J1 Optical Bypass Relay power
Interconnection circuits
Interconnection Circuits should be such that the equipment continues to comply with the
requirement of sub clause 2.3 for SELV circuits of EN60950 :1993/A3 :1995 after making
interconnections between circuits.
MC3 PCI Card Installation Guide
L'avertissements concernant la sécurité
Quel que soit le matériel qui est raccordé aux port le système doit respecter les exigence de la
norme EN60950 :1993/A3 :1995, clause 2.3, au sujet des circuits SELV.
Wichtige Sicherheitshinweise
Nach dem Anschließen von Schaltkreisen an die inneren Anschlüße, <internal ports> genannt,
der Karte Aculab E1/T1, muß die gesamte Einrichtung die Vorschriften der Norm EN 60950,
Absatz 2.3 bezüglich SELV-Schaltkreise, <SELV circuits> genannt, einhalten.
The MC3 PCI card has been reviewed for safety compliance against the following regulations:
Location Safety Approval number
Europe IEC950 & EN60950
US UL1950
Australia TS001/AS3260
5.2 EMC Approvals
The card has been tested for compliance with the following EMC regulations in conjunction
with a PC that was in itself compliant. This does not guarantee that every EMC compliant PC
will remain compliant when used with the card.
Location EMC Approval number
Europe EN55022 (B) - Emissions
EN55022 :1998 - Immunity
USA/Canada FCC part 15
Australia Austel AS/NZS 3548
If there is doubt regarding the EMC performance of a particular system, the user is advised to
obtain competent advice, and possibly systems testing for EMC.
5.3 Approved Functionality
Details of the approved functionality are included in the section 'Country Specific Information'.
5.4 Approval Label
When the card has been installed in a host computer, it is still only the card that is approved.
The Approval label must not be attached to the host.
11
MC3 PCI Card Installation Guide
5.5 Documentation Release
To ensure operation of the MC3 PCI card consistent with the terms of Approval, it is essential to
ensure that the card is accompanied by the correct release of instructions and used in
conjunction with the appropriate device drivers.
If an application developer, by virtue of an application program, reduces the functionality of the
MC3 PCI card before delivery, then the instructions for use may be rewritten so that only the
functionality implemented is described, provided that all of the sections regarding approval,
installation and connection are retained.
5.6 Software Release
To ensure correct operation of the MC3 PCI card, it is necessary that application programs are
built using the correct release of software for the particular revision of the MC3 PCI card. To aid
this process it is recommended that the application program reads the major revision level from
the device driver, and compares it with the major revision value for which their application was
built and tested. The minor revision level is essentially a documentary indicator, but the major
revision level value indicates a change that may impact the PC application.
12
Appendix A: Regulatory compliance information
This section supplies the country-specific information to supplement the general instructions for
the MC3 PCI card. This section should always be read in conjunction with the other sections of
this 'Installation Guide'.
The following appendix cover detailed regulatory requirements for the following countries:
Appendix B USA & Canada
Appendix C European Union Countries
Appendix D Australia
MC3 PCI Card Installation Guide
13
MC3 PCI Card Installation Guide
Appendix B: USA/Canada
UL Certification
The MC3 PCI Card is a UL Listed Accessory under File E178354.
UL recommends that the MC3 PCI Card be installed in a Listed PC.
Service Requirements
There are no user serviceable components on the card.
In case of equipment malfunction, all repairs should be carried out by Aculab plc. It is the
responsibility of users requiring service to report the need for service to our company.
If you experience trouble with the MC3 PCI card, please contact Aculab USA Inc. (850) 913-
1748 for repair/warranty information.
In the USA and Canada, service can be obtained at :
This equipment has been tested and found to comply with the limits for a Class B 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 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.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions :
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause
undesired operation.
No change or modification to the MC3 PCI card is allowed without explicit written permission
from Aculab, as these could void the end user's authority to operate the device.
14
Canadian EMC Requirements
This Class B digital apparatus meets all requirements of the Canadian interference-causing
equipment regulations.
Cet appareil numerique de la Classe B respecte toutes les exigences du reglement sur le materiel
brouilleur du Canada.
Usage and Type
The MC3 PCI card is designed for use connected to one H.100 bus and an MC-3 fibre system.
There are no direct connections to the PSTN.
Appendix C: European Union countries
Service Requirements
In case of equipment malfunction, all repairs should be carried out by Aculab plc. It is the
responsibility of users requiring service to report the need for service to our company.
Service can be obtained at :
Aculab plc
Unit 4, Bramley Road
Milton Keynes
MK1 1PT
UK
This is a class B product. In a domestic environment, this product may cause radio interference
in which case the user may be required to take adequate measures.
No changes or modification to the MC3 PCI card is allowed without explicit written permission
from Aculab, as these could void the end user's authority to operate the device.
MC3 PCI Card Installation Guide
Safety Warnings
Interconnection circuits should be such that the equipment continues to comply with the
requirements of 2.3 of EN 60950 for SELV circuits, after making connections between circuits
using any of the internal ports.
Installation and Safety
The following information regarding installation is provided for guidance only and does not
eliminate the need for competence on the part of the installer.
The card must be installed such that with the exception of the PCI bus and H.100 connections,
clearance and creepage distances shown in the table below are maintained between the MC3
PCI card and any parts of the host PC or other expansion cards which use or generate a voltage
shown in the following table.
Clearance mm Creepage mm Voltage present on other parts of the
host or on expansion cards.
2.0 2.4 (3.8) Up to 50V rms or dc
2.6 3.0 (4.8) Up to 125V rms or dc
4.0 5.0 (8.0) Up to 250V rms or dc
4.0 6.4 (10.0) Up to 300V rms or dc
For a host or other expansion card fitted in the host,
using or generating voltages greater than 300V (rms
or dc), advice from a competent
telecommunications safety engineer must be
obtained before installation of the relevant
equipment.
Above 300Vrms or Vdc
Clearance distances refer to the shortest distance between parts, measured through air. Creepage
distances refer to total distances measured across surfaces when installed in a normal office
environment. The creepage distances in parenthesis apply where the local environment within
the PC is subject to conductive pollution or dry non-conductive pollution that could become
conductive due to condensation.
15
MC3 PCI Card Installation Guide
In order to maintain the host independent approval of the MC3 PCI card, it is essential that,
when other (non Dual Fibre) expansion cards are introduced that use or generate a hazardous
voltage, the minimum creepage and clearances specified above are maintained. A hazardous
voltage is one that exceeds 42.4V AC peak or 60V DC If you have any doubt, seek advice from
a competent engineer before installing other adapters into the host equipment.
Failure to install the MC3 PCI card in accordance with these instructions will invalidate the
Approval.
16
Appendix D: Australia
Service Requirements
In case of equipment malfunction, all repairs should be carried out by Aculab plc. It is the
responsibility of users requiring service to report the need for service to our company.
Service can be obtained at :
Suite 702,
434 St Kilda Rd,
Melbourne,
Vic 3004
Australia
Telephone Number +61 (03) 9243 5585
Fax Number +61 (03) 9821 5450
AS/NZS 3548 declaration
This is a class B product. In a domestic environment, this product may cause radio interference
in which case the user may be required to take adequate measures.
No change or modification to the MC3 PCI card is allowed without explicit written permission
from Aculab, as these could void the end user's authority to operate the device.
MC3 PCI Card Installation Guide
Safety Warnings
Interconnection circuits should be such that the equipment continues to comply with the
requirements of TS001 for SELV circuits, after making connections between circuits using any of
the internal ports.
Installation and Safety
The following information regarding installation is provided for guidance only and does not
eliminate the need for competence on the part of the installer.
The card must be installed such that with the exception of the PCI bus and H.100 connections,
clearance and creepage distances shown in the table below are maintained between the MC3
PCI card and any parts of the host PC or other expansion cards which use or generate a voltage
shown in the following table.
Clearance mm Creepage mm Voltage present on other parts of
the host or on expansion cards.
2.0 2.4 (3.8) Up to 50V rms or dc
2.6 3.0 (4.8) Up to 125V rms or dc
4.0 5.0 (8.0) Up to 250V rms or dc
4.0 6.4 (10.0) Up to 300V rms or dc
For a host or other expansion card fitted in the host, using
or generating voltages greater than 300V (rms or dc),
advice from a competent telecommunications safety
engineer must be obtained before installation of the
relevant equipment.
Above 300Vrms or Vdc
Clearance distances refer to the shortest distance between parts, measured through air. Creepage
distances refer to total distances measured across surfaces when installed in a normal office
environment. The creepage distances in parenthesis apply where the local environment within
the PC is subject to conductive pollution or dry non-conductive pollution that could become
conductive due to condensation.
17
MC3 PCI Card Installation Guide
In order to maintain the host independent approval of the MC3 PCI card, it is essential that,
when other (non Dual Fibre ) expansion cards are introduced which use or generate a hazardous
voltage, the minimum creepage and clearances specified above are also maintained. A
hazardous voltage is one that exceeds 42.4V AC peak or 60V DC If you have any doubt, seek
advice from a competent engineer before installing other adapters into the host equipment.
Failure to install the MC3 PCI card in accordance with these instructions will invalidate the
Approval.
18
Appendix E: Technical Specification
Ports
• MC3
• H.100
• PCI
• Optical Bypass Relay (OBR) Power
Front Panel Connectors
• MC3 2x duplex SC type receptacle (connections for 4 optical fibres)
• OBR Power 1x RJ45 4-way female
Switch Capacity Limit
• 2048 timeslot connections between MC3 and H.100 (64kbit/s timeslot)
• 1024 bi-directional channel connections between MC3 and H.100 (2 timeslots per channel)
Clocking
• MC3 clock master
• MC3 clock slave Ring 1
• MC3 clock slave Ring 2
• H.100 A clock master
• H.100 B clock master
• H.100 A clock slave
• H.100 B clock slave
• H.100 primary master clock fallback
• local oscillator timing source
MC3 PCI Card Installation Guide
Form Factor
• Full-length PCI card
Power Consumption
• 25W max
Physical
• All Aculab PCI products conform to PCI local bus specification revision 2.1
• Overall dimensions (excluding face plate):
• Height 106.68mm +/- 0.127mm
• Depth (including retainer) 340.74mm +/- 1.57mm
• Depth (excluding retainer) 312mm +/- 0.127mm
• Each PCI card fits into a single card slot without impinging any adjacent slots
• For further details on PCI standards, please contact the PCI Special Interest Group at
http://www.pcisig.com/home.
19
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