Powerline IV Computer Telephony Card for Voice Mail and Call Processing

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Dialogic D/120JCT-LSU

D120JCTLSU Telephony Card

Technical Specs

Dialogic D/120JCT-LSU D120JCTLSU D120JCT-LSU

Dialogic D/120JCT-LSU Features

  • Same as D/120JCT-LS but includes 5 V and 3.3 V PCI slot support
  • System size: Small-to-Medium Enterprise
  • Form factor: PCI
  • Ports: 12
  • Network interface: Onboard loop start interface

Resource Bus::

  • H.100
  • CT Bus
  • SCbus with adapter

Operating Systems:

  • Linux*
  • Windows NT
  • Windows 2000
  • Windows XP
  • Windows 2003


  • DTMF
  • MF

Key Features:

  • Supports DSP-based onboard fax and host-based speech recognition to maximize the number of boards in the system
  • Supports G.726 bit exact and GSM coders, letting developers implement unified messaging applications that meet VPIM standards
    With a variety of international approvals, the board expands an application's ability to serve several global market segments at no extra cost
  • Supports continuous speech processing, a flexible speech processing technology, which when coupled with efficient drivers, off-loads critical real-time signal processing in speech-enabled applications to onboard DSPs
  • Support for Simple Network Management Protocol (SNMP) software, used for remote CT board diagnostics/management
  • Earth Recall capability provides support for switches in the UK in addition to complementing existing infrastructure
  • Full support of Japanese CID, including the ability to detect polarity reversals while online


  • Applications Interactive media response
  • Web-enabled contact center
  • Unified messaging
  • Speech-enabled auto-attendant

Market Names:

  • D120JCTLSU (for 5 V and 3.3 V PCI slot support)
  • D120JCTLSUJP (universal PCI for use in Japan)
  • D120JCTLSUCN (universal PCI for use in China)
  • D120JCTLSUIN (universal PCI for use in India)
  • D120JCTLSUEU2 (universal PCI for use in Europe, Australia, and New Zealand)

Detailed Technical Specifications:
Number of ports 12
Maximum boards/operating system 8 (Linux*, Windows* NT, Windows 2000, Windows* XP, Windows 2003). Number may be limited by application and system performance.
CT Bus loads per board 1
Maximum CT Bus loads per system 20
Analog network interface Onboard loop start interface (12)
Resource sharing bus CT Bus
Control microprocessor Intel® 80486 GXSF running at 32.768 MHz with 2 MB SDRAM
Digital signal processors Two Motorola* DSP 56303 (Onyx) @ 100 MHz, 24-bit, each with 256 K word private SRAM

Host Interface
Bus compatibility PCI compatible. Complies with PCISIG Bus Specification, Rev. 2.2.
Bus speed 33 MHz maximum
Bus mode 32-bit
Shared memory 32 KB to 64 KB page
Interrupt level One IRQ is shared by all D/120JCT-LS boards
I/O ports None

Telephone Interface
Trunk type Loop start
Ground start for inbound applications with AC ringing
Impedance 600 Ohms nominal
Ring detection 40 Vrms to 130 Vrms, 15.3 Hz to 68.0 Hz
Loop current range 20 mA to 60 mA, (Euro) 20 mA to 120 mA, polarity insensitive
Echo return loss 17 dB min. (at country impedance)
Crosstalk coupling >-75 dB
Speech digitization 64 Kb/s, µ-law PCM (companding to ADPCM performed in Spring Ware)
Frequency response 300 Hz to 3400 Hz ±3 dB
Connector RJ-25, 6-port, 6-position

Encironmental Requirements
+5 VDC 1.2 A typical, 1.4 A max.
+12 VDC 235 mA typical, 285 mA max.
–12 VDC 80 mA max., 100 mA max.
Operating temperature 0°C to +50°C
Form factor Universal slot (5 V or 3.3 V) PCI long card
12.28 in. (31.2 cm) long
4.2 in. (10.67 cm) high

Safety and EMC Certifications

Canada ICES-003 Class A
ULc CSA 950 File E96804
Europe EN60950
Japan VCCI Class A
United States FCC Part 15 Class A
UL 1950 File E96804
International IEC60950

Telecom Approvals
Canada IC: 885 10540 A
European Union DoC 06/30/2003
Japan A00-0318JP
United States US:EBZUSA-34827-KX-N

Estimated MTBF 154,000 hours per Bellcore* Method
Warranty 3 years

Spring Ware Firmware Technical Specifications:

Fax compatibility ITU-T G3 compliant (T.4, T.30)
ETSI NET/30 compliant
Maximum data rate 14,400 b/s (v.17) send
9600 b/s (v.29) receive receive
Variable speed selection Automatic step-down to 12,000 b/s, 9600 b/s, 7200 b/s, 4800 b/s, and lower
Transmit data modes Modified Huffman (MH)
Modified Read (MR)
Receive data modes MH, MR
File data formats Tagged Image File Format (TIFF/F) for transmit/receive MH and MR
ASCII-to-fax conversion Host-PC-based conversion
Direct transmission of text files
All Windows fonts supported
Page headers generated automatically
Error correction Detection, reporting, and correction of faulty scan lines
Image widths 8.5 in. (21.5 cm)
10.0 in. (25.5 cm)
11.9 in. (30.3 cm)
Image scaling Automatic horizontal and vertical scaling between page sizes
Polling modes Normal
Image resolution Normal (203 pels/in. × 98 lines/in.) (203 pels/2.54 cm × 98 lines/2.54 cm)
Fine (203 pels/in. × 196 lines/in.) (203 pels/2.54 cm × 196 lines/2.54 cm)
Fill minimization Automatic fill bit insertion and stripping

Audio Signal
Receive range –40 dBm to –7 dBm nominal, configurable by parameter**
Automatic gain control Application can enable/disable
Above –22 dBm results in full-scale recording, configurable by parameter**
Silence detection –40 dBm nominal, software adjustable**
Transmit level (weighted average) –9.5 dBm nominal, configurable by parameter**
Transmit volume control 40 dB adjustment range, with application-definable increments and legal limit cap

Frequency Response
24 Kb/s 300 Hz to 2600 Hz ±3 dB
32 Kb/s 300 Hz to 3400 Hz ±3 dB
48 Kb/s 300 Hz to 2600 Hz ±3 dB
64 Kb/s 300 Hz to 3400 Hz ±3 dB

Audio Digitizing
13 Kb/s GSM @ 8 kHz sampling
24 Kb/s OKI* ADPCM @ 6 kHz sampling
32 Kb/s OKI ADPCM @ 8 kHz sampling
32 Kb/s G.726 @ 8 kHz sampling
48 Kb/s µ-law PCM @ 6 kHz sampling
64 Kb/s µ-law PCM @ 8 kHz sampling
Digitization selection Selectable by application on function call-by-call basis
Playback speed control Pitch controlled
Available for 24 Kb/s and 32 Kb/s data rates
Adjustment range: ±50%
Adjustable through application or programmable DTMF control

DTMF Tone Detection
DTMF digits 0 to 9, *, #, A, B, C, D per Bellcore LSSGR Sec 6
Dynamic range -38 dBm to –3 dBm per tone, configurable by parameter**
Minimum tone duration 40 ms, can be increased with software configuration
Interdigit timing Detects like digits with a >40 ms interdigit delay
Detects different digits with a 0 ms interdigit delay
Twist and frequency variation Meets Bellcore LSSGR Sec 6 and EIA 464 requirements
Noise tolerance Meets Bellcore LSSGR Sec 6 and EIA 464 requirements for Gaussian, impulse, and power line noise tolerance
Cut-through Local echo cancellation permits 100% detection with a >4.5 dB return loss line
Talk off Detects less than 20 digits while monitoring Bellcore TR-TSY-000763 standard speech tapes (LSSGR requirements specify detecting no more than 470 total digits). Detects 0 digits while monitoring MITEL speech tape #CM 7291.

Global Tone Detection
Tone type Programmable for single or dual
Max. number of tones Application-dependent
Frequency range Programmable within 300 Hz to 3500 Hz
Max. frequency deviation Programmable in 5 Hz increments
Frequency resolution ± 5 Hz. Separation of dual-frequency tones is limited to 62.5 Hz at a signal-to-noise ratio of 20 dB.
Timing Programmable cadence qualifier, in 10 ms increments
Dynamic range Programmable, default set at –6 dBm to –3 dBm per tone

Global Tone Generation
Tone type Generate single or dual tones
Frequency range Programmable within 200 Hz to 4000 Hz
Frequency resolution 1 Hz
Duration 10 ms increments
Amplitude –43 dBm to –3 dBm per tone nominal, programmable

MF Signaling
MF digits 0 to 9, KP, ST, ST1, ST2, ST3 per Bellcore LSSGR Sec 6, TR-NWT-000506 and CCITT Q.321
Transmit level Complies with Bellcore LSSGR Sec 6, TR-NWT-000506
Signaling mechanism Complies with Bellcore LSSGR Sec 6, TR-NWT-000506
Dynamic range for detection –25 dBm to –3 dBm per tone
Acceptable twist 6 dB
Acceptable frequency variation Less than ±1 Hz

Call Progress Analysis
Busy tone detection Default setting designed to detect 74 out of 76 unique busy/congestion tones used in 97 countries as specified by CCITT Rec. E., Suppl. #2
Default uses both frequency and cadence detection
Application can select frequency only for faster detection in specific environments
Ring back detection Default setting designed to detect 83 out of 87 unique ring back tones used in 96 countries as specified by CCITT Rec. E., Suppl. #2
Uses both frequency and cadence detection
Positive voice detection accuracy >99% based on tests on a database of real world calls in North America
Performance in other markets may vary
Positive voice detection speed Detects voice in as little as 1/10th of a second
Positive answering machine detection accuracy >85% based on application and environment
Fax/modem detection Pre-programmed
Intercept detection Detects entire sequence of the North American tri-tone
Other intercept tones sequences can be programmed
Dial tone detection before dialing Application enable/disable
Supports up to three different user-definable dial tones
Programmable dial tone drop out debouncing

Tone Dialing
DTMF digits 0 to 9, *, #, A, B, C, D per Bellcore LSSGR Sec 6, TR-NWT-000506
Frequency variation Less than ±1 Hz
Rate 10 digits/s maximum, configurable by parameter**
Level –4.0 dBm per tone, nominal, configurable by parameter**

Pulse Dialing
10 digits 0 to 9
Pulsing rate 10 pulses/s, nominal
20 pulses/s for Japan, configurable by parameter**
Break ratio 60% nominal, configurable by parameter**

Analog Caller Identification
Applicable standards Bellcore TR-TSY-000030
Bellcore TR-TSY-000031
TAS T5 PSTN1 ACLIP: 1994 (Singapore)
Modem standard Bell 202 or V.23, serial 1200 bits/sec (simplex FSK signaling)
Receive sensitivity -48 dBm (-50 dBv) to -1 dBm
Noise tolerance Minimum 18 dB SNR over 0 to -48 dBm dynamic range for error-free performance
Data formats Single Data Message (SDM) and Multiple Data Message (MDM) formats via API calls and commands
Line impedance AC coupled 600 Ohm (@ 1.8 kHz) termination during Caller ID on-hook detection interval
Message formats ASCII or binary SDM, MDM message content


Analog Display Services Interface (ADSI)
  FSK generation per Bellcore TR-NWT-000030
CAS tone generation and DTMF detection per Bellcore TR-NWT-001273.
** Analog levels: 0 dBm0 corresponds to a level of +3 dBm at tip-ring analog point. Values vary depending on country requirements; contact your account manager.
1 Average speech mandates +16 dB peaks above average and preserves -13 dB valleys below average.


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