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 13 

Technical Specifications

Specification

Criteria

ISDN BRI DBM

ISDN BRI DBM Interface
(FrameSaver 9126)

Physical interface

Service supported

Data rates

ISDN BRI U-interface:
One 8-position modular keyed USOC RJ49C jack

RJ49C

Capability Package B for 1B-channel service, or
Capability Package 

I

 for 2B-channel support,

NI-1 (supporting up to two B-channels)

56 kbps and 64 kbps

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

Weight

0.27 lbs. 4.3 oz. ( 0.12 kg  122 grams)

Switch Compatibility

National ISDN-1 (NI-1)

Switched Network Interface

One USOC RJ45 8-pole 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

Ω

Receive Interface

Dynamic Range

Impedance

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

135

Ω

Modulation and Frequency

2B1Q line coding with
4-level amplitude modulation (PAM) at 80 kbps

Channel Equalization

Receiver

Automatic adaptive equalizer with echo cancellation

Содержание FrameSaver

Страница 1: ...0 FrameSaver 9120 Technical Reference 9128 A2 GB20 FrameSaver SLV 9126 9128 User s Guide 9621 A2 GH30 FrameSaver 9620 Technical Reference To request a paper copy of a Paradyne document Within the U S A call 1 800 PARADYNE 1 800 727 2396 Outside the U S A call 1 727 530 8623 To order the 9120 Technical Reference request Feature Number 9120 M1 001 To order the 9126 9128 User s Guide request Feature ...

Страница 2: ...llips head screws PRI DBM Three standoff posts six washers and six Phillips head screws Safety Instructions Please read the EMI warnings and Important Safety Instructions that come with the FrameSaver unit HANDLING PRECAUTIONS FOR STATIC SENSITIVE DEVICES This product is designed to protect sensitive components from damage due to electrostatic discharge ESD during normal operation When performing ...

Страница 3: ...utlet then from the rear of the FrameSaver unit 2 Disconnect the other cables 3 Using a small flat blade screwdriver gently pry open the housing at each of the four connecting tab points Be careful not to damage the housing using a screw driver that is too big could damage the housing 4 Remove the cover and lift the NAM and its integrated I O card backplane rear panel from the base 5 Lay the NAM o...

Страница 4: ...rier 2 Press open the ejector latches to disengage the card 3 Supporting the card by its edges pull straight out until the card clears the carrier 4 Lay the NAM on an electrostatic discharge protective work surface component side up with the card connectors on the left hand side Proceed to Removing a DBM on page 5 if transferring a DBM to another NAM or replacing a DBM Otherwise proceed to Install...

Страница 5: ...emoved 98 15228a Connectors DBM Pins Standoff Posts Screws Washers Screws Washers 2 Turn the NAM over and remove the screws and washers on the underside of the NAM and set the standoff posts screws and washers aside 3 Turn the NAM over again so the DBM is on top 4 Work the DBM away from the NAM by very carefully and gently pulling and rocking the DBM connectors away from the NAM connectors Work fi...

Страница 6: ...ns to the holes of the two connectors 5 Press the pins and connectors together until both pin sets are firmly seated Be careful not to force or bend any pins 6 Insert the remaining screws and washers into the standoff post holes on the DBM and tighten Reinstalling the NAM Select the appropriate procedure for reinstalling the NAM in its housing Reinstalling the NAM in a 1 Slot Housing Refer to the ...

Страница 7: ...the DBM interface or BKP interface on a FrameSaver 9620 2 Insert the other end of the cable into the ISDN service RJ49C jack 3 Reconnect the power cord first to the rear of the FrameSaver unit then to the power outlet 98 16237 FrameSaver 9126 Shown POWER COM DBM DSX 1 MDM NET DSX RJ49C Jack Installing a PRI Cable 1 Insert the 8 pin connector on the ISDN cable into the DBM interface 2 Insert the ot...

Страница 8: ...lines Configure a Link Profile for the central site in the first link profile called HQ_Site This ensures that a backup DLCI will be created automatically on the backup link for each DLCI discovered on the network interface using the central site s link profile Configure the unit to originate calls to the central site if it is a FrameSaver 9128 A FrameSaver 9126 is already configured to originate ...

Страница 9: ...ds New and press Enter Minimally configure the following options to create DLCI records for the link DLCI number DLCI Type is set to Multiplexed if a multiplexed DLCI is being backed up 9 Save the configuration and return to the Configuration Edit Display menu 10 Select PVC Connections then New Minimally configure the following options to create a PVC connection to be backed up Alternate Destinati...

Страница 10: ...KP LED starts blinking When the answering FrameSaver unit receives the call its BKP LED starts blinking and the ISDN Active message appears The BKP LEDs of both units stop blinking and remain on when the connection is made and the Backup Active message appears Verify that data is passing between DBMs by selecting a backup link Main Menu Status Performance Statistics Frame Relay If data is being pa...

Страница 11: ...hat backup will be allowed can also be specified The following table describes what happens when Auto Backup is enabled or disabled Auto Backup Description Enable Auto configuration of backup is enabled and traffic is rerouted to the backup alternate interface when a failure occurs The FrameSaver unit automatically enables the Alternate Link configuration option and creates an Alternate DLCI and E...

Страница 12: ...is a failure ALM Operational Alarm Fail Red ON FrameSaver unit has just been reset or an error or fault has been detected OFF No failures have been detected TST Test Mode Yellow ON Loopback or test pattern in progress initiated locally remotely or from the network OFF No tests are active BKP 1 Backup Yellow ON FrameSaver unit is in Backup mode that is the backup link has been established and backu...

Страница 13: ...ork 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 Weight 0 27 lbs 4 3 oz 0 12 kg 122 grams Switch Compatibility National ISDN 1 NI 1 Switched Network Interface One USOC RJ45 8 pole keyed modular plug and jack specified in ISO IEC 8877 Transmit Interface Signal Level Impedance 13 5 dBm nom...

Страница 14: ...0 0 dB 7 5 dB 15 dB 22 5 dB Selectable Standards Compliance 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 Power Consumption 8 mA at 120 Vac Average power 1 watt Weight 0 15 lbs 2 4 oz 0 07 kg 68 grams Switch ...

Страница 15: ...RI U Interface Pin Assignments Function Circuit Direction Pin Number BRI Transmit Receive Ring DBM4 To From Local Loop 4 BRI Transmit Receive Tip DBM5 To From Local Loop 5 ISDN PRI Interface Pin Assignments Function Circuit Direction Pin Number PRI Receive Ring DBM1 From Local Loop 1 PRI Receive Tip DBM2 From Local Loop 2 PRI Transmit Ring DBM4 To Local Loop 4 PRI Transmit Tip DBM5 To Local Loop 5...

Страница 16: ...r to speak with a company representative Within the U S A call 1 800 870 2221 Outside the U S A call 1 727 530 2340 Document Feedback We welcome your comments and suggestions about this document Please mail them to Technical Publications Paradyne Corporation 8545 126th Ave N Largo FL 33773 or send e mail to userdoc eng paradyne com Include the number and title of this document in your corresponden...

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