Paradyne 9126-II User Manual Page 447

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F. Technical Specifications
9128-A2-GB20-80 September 2002
F-7
Table F-4. ISDN BRI DBM (Optional Feature) Technical Specifications
Specification Criteria
Standards Compliance ANSI T1.601 1992 (physical layer)
Bellcore SR-NWT-001937, Issue 1 February 1991
ITU Q.921 1992 (link layer)
ITU Q.931 1993 (network layer)
TR-TSY-00860, ISDN Calling Number Identification
Services February 1989, and Supplement
June 1990
Power Consumption 60 mA at 15 VDC
Average power .9 watt (3.07 Btu per hour)
Weight 0.27 lbs. 4.3 oz. (0.12 kg 122 grams)
Switch Compatibility National ISDN-1 (NI-1)
Service Supported Capability Package IOC B for 1B-service, which
supports up to two circuit-switched B-channels, BRI-B1
and BRI-B2, with one Service Profile Identification
(SPID) number and one local phone number.
Capability Package IOC R for 2B-service, which
supports up to two circuit-switched B-channels, BRI-B1
and BRI-B2, with two SPID numbers and two local
phone numbers.
Switched Network Interface One USOC RJ49C 8-pin keyed modular plug and jack,
specified in ISO/IEC 8877
Transmit Interface
Signal Level
Impedance
13.5 dBm nominal over frequency band, 0 Hz 80 kHz
135
Receive Interface
Dynamic Range
Impedance
Operates on 2-wire loops, defined in ANSI T1.601-1992
135
Modulation and Frequency 2B1Q line coding with 4-level amplitude modulation
(PAM) at 80 Kbps baud
Channel Equalization
Receiver Automatic adaptive equalizer with echo cancellation
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