Paradyne 9126 User Manual page 447

Table F-4.
9128-A2-GB20-80
ISDN BRI DBM (Optional Feature) Technical Specifications
Specification
Standards Compliance
Power Consumption
Weight
Switch Compatibility
Service Supported
Switched Network Interface
Transmit Interface
Signal Level
Impedance
Receive Interface
Dynamic Range
Impedance
Modulation and Frequency
Channel Equalization
Receiver
September 2002
Criteria
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
60 mA at 15 VDC
Average power .9 watt (3.07 Btu per hour)
0.27 lbs. 4.3 oz. (0.12 kg 122 grams)
National ISDN-1 (NI-1)
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.
One USOC RJ49C 8-pin keyed modular plug and jack,
specified in ISO/IEC 8877
13.5 dBm nominal over frequency band, 0 Hz – 80 kHz
135
Operates on 2-wire loops, defined in ANSI T1.601-1992
135
2B1Q line coding with 4-level amplitude modulation
(PAM) at 80 Kbps baud
Automatic adaptive equalizer with echo cancellation
F. Technical Specifications
F-7