F. Technical Specifications

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

13.5 dBm nominal over frequency band, 0 Hz – 80 kHz

Impedance

135

 

 

Receive Interface

 

Dynamic Range

Operates on 2-wire loops, defined in ANSI T1.601-1992

Impedance

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

 

 

9128-A2-GB20-80

September 2002

F-7

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Image 447
Paradyne 9126 Standards Compliance, Switch Compatibility, Service Supported, Switched Network Interface, Receive Interface