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Specification
ISDN PRI DBM
ISDN PRI DBM Interface
(FrameSaver 9128)
Physical interface
Service supported
Data rates
Framing format
Coding format
Line Build-Out (LBO)
ANSI PRM
Standards Compliance
Power Consumption
Weight
Switch Compatibility
Framing Format
Coding Format
Line Build-Out (LBO)
ANSI PRM
Criteria
8-position modular unkeyed USOC RJ48C jack
RJ48C
PRI, NI-2, ATT 4ESS, or ATT 5ESS custom
(supporting up to 23 B-channels), with
Circuit-Switched Data capability.
1.536 kbps
D4, ESF
B8ZS
0.0 dB, –7.5 dB, –15 dB, –22.5 dB
Selectable
ANSI T1.403 – 1989 (physical layer) and
AT&T 62411
Bellcore SR-NWT-002120, Issue 1 – May 1992
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
8 mA at 120 Vac
Average power 1 watt
0.15 lbs. 2.4 oz. ( 0.07 kg 68 grams )
National ISDN-2 (NI-2),
ATT 4ESS, or
ATT 5ESS
D4, ESF
B8ZS
0.0 dB, –7.5 dB, –15 dB, –22.5 dB
Selectable
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