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CMI-ISDN

PC•MIP Mezzanine Module
ISDN Basic Rate Terminal Adapter
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Description Product description in English
Beschreibung Produktbeschreibung auf Deutsch
CMI-ISDN Basic Rate Terminal Adapter
PDF documents available here
Product Information Product information in PDF format - English
Produktinformation Produktinformation im PDF-Format - Deutsch
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CMI-ISDN

PC•MIP Mezzanine Module
ISDN S/T Terminal Adapter


For connecting industrial computer systems to the ISDN digital telephone network, EKF offers the CMI-ISDN, a Passive Terminal Adapter with ISDN basic rate S/T interface. The PC•MIP mezzanine-module achieves a data rate of 128kbps uncompressed (both B channels aggregated). The CMI-ISDN complies with international and european ISDN standards as ITU-T I.430.



Due to its cost-effectiveness the CMI-ISDN is a perfect replacement for external ISDN communications equipment such as modems or routers. Simply install an RJ45 cable between the CMI-ISDN and the ISDN telephone net, and your system is ready for high speed Internet access.


CMI-ISDN - PC-MIP Ethernet Controller

CMI-ISDN - PC•MIP Ethernet Controller


The CMI-ISDN is equipped with a single-chip PCI ISDN S/T transceiver. Recent Linux distributions enclose driver support for the CMI-ISDN. EKF itself uses its ISDN hardware successfully as an ISDN gateway in its Linux based proxy/firewall servers.

The CMI-ISDN is housed on a PC•MIP mezzanine module. While the PC•MIP electrical characteristics are derived from the popular PCI specification, PC•MIP modules represent a miniaturized successor to the proven PMC- and M-Module technology.



Up to 3 PC•MIP modules can be mounted on a single 3U CompactPCI® carrier board for a maximum in functionality at low cost, thus making system integration easier.

Available for CompactPCI® systems, EKF offers suitable PC•MIP carrier boards. The CM5-TRIO is a 3U board, provided with three PC•MIP slots, while the 6U carrier CM6-SEXTET can hold up to 6 individual PC•MIP modules. Alternatively, built on a 3U CPCI board, the CI1-HARP is otherwise functionally identical to the CMI-ISDN.


CMI-ISDN - Block Diagram

CMI-ISDN - Block Diagram

CMI-ISDN - Component Assembly Drawing

CMI-ISDN - Component Assembly Drawing

Technical Specifications
Printed Circuit Board Dimensions PC•MIP module type II (single-size 47x99.25mm), height 10mm (10H envelope)
ISDN Port Interface Type ISDN basic rate TA S/T (2B+D), B channel data transfer rate 2x64kbps (56kbps restricted mode for US ISDN lines selectable), protocol D channel transfer rate 16kbps
Controller Chip HFC-S PCI A single-chip PCI ISDN S/T transceiver, independent read and write HDLC channels for two ISDN B channels and one ISDN D channel, independently selectable B1 and B2 channel transparent mode, FIFO memory window 4x7.5kByte (B cannel) and 2x512Byte (D channel), maximum 31 HDLC frames (B channel) and 15 HDLC frames (D channel) per channel and direction in FIFO, I2C serial EEPROM interface for configuration data storage
Physical Interface
Connector J4
S/T interface, RJ45 ISDN standard connector, front panel mounted, complies with ITU-T I.430 specification, dual transformator / choke module, isolation voltage 1500Vrms
LED Array 2 x on-board LED, power (green), ISDN link (yellow)
PCI Bus (PC•MIP) Connector
J1/J2
32bit, 33MHz, DMA Bus Master, 133MBps
Power Consumption Connector
J1/J2
+5V ±5% 0.1A max.
+3.3V ±0.3V 0.1A max.
Temperature
Humidity
Commercial Grade Version Operating temperature 0-70°C
Relative humidity 5-90% non condensing

specifications are subject to change without further notice


Ordering Information
Alias Ordering Number Short Description
  CMI-1-ISDN PC•MIP module, ISDN basic rate terminal adapter
TRIO CM5-1-TRIO 3U CompactPCI board, passive PC•MIP modules carrier/bridge with 3 PC•MIP slots
SEXTET CM6-1-SEXTET 6U CompactPCI board, passive PC•MIP modules carrier/bridge with 6 PC•MIP slots
HARP CI1-1-HARP 3U CompactPCI board, ISDN basic rate terminal adapter
EKF is an ISO-9001 certified company
EKF Elektronik GmbH • Philipp-Reis-Str. 4 • 59065 Hamm • Germany
Phone +49 (0)2381/6890-0 • Fax +49 (0)2381/6890-90 • E-Mail