Interconnect Solutions
VEAM
CIR-M12 DATABUS
Connector
CIR-M12 DATABUS
ITT Interconnect Solutions offers a portfolio of product lines specifically suited for transit applications under the brands of Cannon and
VEAM. These product lines offer a variety of shell sizes and contact arrangements, meeting the needs of demanding applications in both
electrical and optical applications. Over time, ICS has grown these product lines to include inserts meeting low smoke, zero halogen, and
RoHS requirements.
In additional to our historical interconnect products, ITT ICS provides complete harnessing solutions and junction box assemblies, meet-
ing the needs of our customers for expanded capability. As the industry leader in harsh environment interconnect applications, ITT`s world
class engineering teams work directly with our Customers to design and develop cost effective solutions for their applications. In many
cases, we modify our standard designs to ensure a reliable solution in a timely fashion. In situations requiring a completely custom solu-
tion, ITT engages directly with our customer`s Engineers to design innovative products meeting their specific requirements for reliability,
functionality, and affordability.
VEAM CIR Connectors
Founded in 1936, VEAM first entered the Circular connectors market in the 1950's. Since then, the VEAM brand now identifies itself
as the premier interconnect for mass transit and rail markets. The expansive VEAM product range is compliant with all of the main MIL
and VG specifications. Showcasing the quality focus of the products, the Lainate, Italy plant is ISO 9001 and ISO 14001 compliant and
was recently awarded the IRIS certification. The standard CIR series products are produced according to both railway industries and local
regulations.
The Challenge – High demand for data transmission on trains
The increasing electronics content requirements of modern mass transit systems, i.e. engine diagnostics, brake controls, environmental
conditioning, passenger display systems, networking, lighting control, etc., coupled with increasing data grouping and through-put
requirements continue to mandate innovative solutions in our interconnect products. Consequently, our mass-transit customers approached
ITT ICS requesting solutions to establish reliable connections between coaches, acknowledging the menagerie of data this needs. In particu-
lar, these customers requested a solution for data transmission which bundled multiple Ethernet and MVB lines into a singular connector.
Gold Plating Provides Optimal
Performance
New Veam CIR-M12 DATABUS connector
RoHS Compliant FRCIR
Receptacle Shell
RoHS Compliant FRCIR Plug Shell
Innovative QXM12 Male / Female
Contact System
Flame Retardant Rubber Covered
Coupling Nut
The ITT Solution
Listening to our customer requests, ITT ICS met the challenge by developing our new QXM12 contacts mounted into
FRCIR connector series hardware. With this pioneering design, four conductor wires and the associated braid from
shielded cables are integrated into the QXM12 contact. A special plastic insert groups multiple QXM12 contacts and their
cables into a singular connector. With this connector, our customers may now locate data transfer from Ethernet, MVB,
WTB, and Video lines, according to VG95234, within the same connector.
www.ittcannon.com
CIR-M12 DATABUS
Technical Overview
The CIR-M12 DATABUS is a special circular Bayonet Lock Connector for Data Line transmission. This innovative,
new connector incorporates the ITT ICS QXM12 contact arrangement to provide data transfer from Ethernet,
MVB, WTB, and Video lines, according to VG95234 where applicable, within a singular connector.
Thermoplastic rigid insert and
flame retardant material
FRCIR shells
Receptacle with threaded mounting holes
CIR-M12 DATABUS shell is coming from the CIR Series, size 32.
Straight plug with backshell
Derived from the ICS Cannon Quadrax contact, the QXM12 represents an innovative adaptation of this proven
arrangement for the needs of our mass-transit customers. The QXM12 contact system provides specific function-
ality for data transfer from Ethernet, MVB, WTB, and Video lines.
Female contact - exploded view
Female body
Female contact
Support sleeve
Multipoints band
Male contact - exploded view
Male body
Male contact
Easy harnessing instructions
available
Support sleeve
Retention clip
www.ittcannon.com
CIR-M12 DATABUS
Technical Overview
Characteristics of connector shells
Electrical Characteristics
Service Rating
Test Voltage
Operating Voltage
Insulation Resistance
Class I (MIL-DTL-5015)
1000 VCA
200 VCA, 250 VCC
5000 MΩ
Characteristics of QXM12 contact type
for data lines transmission connection
Electrical Characteristics
Rated Current
Max Current for 1ms
Operating Voltage
Insulation Resistance
3A
10A
100 Vdc
10GΩ
Mechanical Characteristics
Thermoplastic material according to
NFF16-101 – NFF16-102 and conform
to UNI-CEI 11170 (I2F2) and UL94-V0
Coupling Gasket
Silicone rubber
Coupling Nut Cover
Flame retardant rubber available
Grommet
Flame retardant rubber
Gasket
Chloroprenic rubber
Metallic Components
Aluminium alloy with black epoxyure-
thanic varnish, RoHS compliant
Operating Temperature
-40°C to +125°C
Insert
Mechanical Characteristics
Contact Insert
Thermoplastic material according to
NFF16-101 – NFF16-102 and
UNI-CEI11170 (I2F2) and UL94-V0
External Contact Shells
Copper alloy gold plated
Internal Pin and Socket
Copper alloy gold plated
Operating Temperature
-40°C to +125°C
Ordering Information
FR
PREFIX
CONNECTOR SERIES
SHELL STYLE
ENVIRONMENTAL CLASS
SHELL SIZE / CONTACT TYPE
INSERT ARRANGEMENT
CONTACT GENDER
ALTERNATE INSERT ROTATIONS
PLATING CODE
MODIFICATIONS
CIR
O6
R
32PM12
4
P
W-
TXX
VO-XXXX
PREFIX
FR - Flame Retardant Materials
CONNECTOR SERIES
CIR- Bayonet coupling
SHELL STYLE
030- Rear panel mount receptacle, rear thread
06- Straight plug connector
Refer to factory for available options
ENVIRONMENTAL CLASS
Different Classes are based on the type of backshell, sealing capability
and accessories. Please consult factory for available options.
SHELL SIZE / CONTACT TYPE
32PM12 - Plastic Insert, size 32, for QXM12 / TXM12 Contacts
INSERT ARRANGEMENT
4 Cavities, 1 ÷ 4 Contacts
CONTACT GENDER
P - Male Contacts
S - Female Contacts
ALTERNATE INSERT ROTATIONS
- W, X
PLATING CODE OF SHELLS
T39 - Black epoxyurhetanic varnish - RoHS compliant
T108 - Zinc/cobalt Ecoblack - RoHS compliant
MODIFICATIONS
VO - Contacts not supplied
XXXX - According to custom application, consult factory
www.ittcannon.com
CIR-M12 DATABUS
Revolutionary CIR M12 DATABUS with QXM12 contacts provides enhanced data
bus capability in a single connector
Benefits to the Customer
•
Cost effective solution for multiple shielding options
•
Enhanced sealing
•
Suitable for harsh environments and demanding applications
The CIR-M12 DATABUS is IP67 rated in the mated position. The components are completely immune to shock and
vibration and therefore ideal for harsh train environments.
Product Features
•
QXM12 type contacts, copper alloy material, and plastic inserts
•
Connector type FRCIR size 32
•
Cables tested and qualified at frequencies of 1MHz, 10MHz,
and 100MHz
- With Ethernet lines 100 ohm
- With MVB lines 120 ohm
•
According to VG95234, where applicable
•
Aluminium shells with black epoxy urethanic varnish
(RoHS compliant)
•
Inserts are Plastic material, UL94-VO and meet
NF F 16-101/16-102 standards
•
Meets IP67 in a mated condition with the appropriate
accessories
•
Operating Temperature of -40° C to 125° C
•
Supports Gigabit communication
•
Up to 2 different BUS in a single connector:
Ethernet, MVB, WTB and Video Lines
•
Flexibility to use 1 to 4 contacts with the same case
•
Easy assembly and harnessing
Applications
•
Railway systems
•
Transportation interconnects
•
Data bus network systems
Available options
•
•
•
•
•
Rubber covered coupling nut
Grommet
Special backshells for PG or Metric thread adapter
Receptacles with accessories
Wire cabled contacts
www.ittcannon.com
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