NEC ND-91649 manual Line Conditions

Page 55

SPECIFICATIONS

Line Conditions

Table 5-3 Line Conditions

Loop Resistance Note 1

Analog Telephone Set

Standard

 

600 ohms

 

 

 

 

 

 

 

 

Option

 

2,500 ohms (DP: 10pps), 1,700 ohms (DP: 20pps),

 

 

 

1,200 ohms (DTMF)

 

 

 

 

 

 

 

 

Loop Start Trunk

Exchange Line

 

1,700 ohms

 

 

 

 

 

 

 

 

 

Tie or DID Line

 

2,500 ohms

 

 

 

 

 

 

 

Cable Length Note 2

 

 

Standard

with AC Adapter

 

 

 

 

 

Dterm Series i

Dterm 2/8/8D/16D

8DLC

300m (984ft)

Note 3

 

 

4DLC

300m (984ft)

1200m

(3937ft)

 

 

 

 

 

 

 

 

2DLC

850m (2789ft)

1200m

(3937ft)

 

 

 

 

 

 

Dterm 32D

8DLC

200m (656ft)

Note 3

 

Dterm 16LD

 

 

 

 

 

4DLC

200m (656ft)

1200m

(3937ft)

 

 

 

 

 

 

 

 

 

 

2DLC

850m (2789ft)

1200m

(3937ft)

 

 

 

 

 

 

 

DSS/BLF Console

8DLC

-

300m

(984ft)

 

Note 4

 

 

 

 

 

4DLC

-

1200m

(3937ft)

 

 

 

 

 

 

 

 

2DLC

-

1200m

(3937ft)

 

 

 

 

 

 

Operation Position

Attendant Terminal

 

Same as Dterm Series i

 

 

 

SN716

8DLC and PN-PW00 or AC Adapter

300m

(984ft)

 

Desk Console

 

 

 

 

 

4DLC and PN-PW00

350m (1148ft)

 

 

 

 

 

 

 

 

 

4DLC and AC Adapter

1200m

(3937ft)

 

 

 

 

 

 

 

2DLC

 

350m (1148ft)

 

 

 

 

 

 

Note 1: Loop resistance includes an internal resistance of telephone set or distant exchange.

Note 2: Cable length is based on the following conditions. Diameter of the cable is 0.5 mm.

The Protection arrester is not inserted between the terminal and PBX.

Note 3: When using 8DLC card, it is not available for long line function, even if it is equipped with AC Adapter.

Note 4: The DSS/BLF Console requires local AC/DC supply.

ND-91649(E)

CHAPTER 5

 

Page 47

Image 55
Contents General Description NEC Corporation Page Liability Disclaimer Page Neax 2000 IPS Figure Title Title Page Neax 2000 IPS System OverviewPeer to Peer Remote PIM over IP Example of Network Configuration of Remote PIM over IPMigration Path Reduced Hardware with IP-based Architecture Hardware ArchitectureEnhanced Built-in Firmware Processor FP on MP Universal Slot Various Power supply systemVarious Installation Methods Extended Application Processor AP Port CapacitySoftware Architecture Office Data Backup EnhancementBuilt-in DRS Device Registration Server on MP Technical Terms of Neax 2000 IPS System Technical TermsTrunking Diagram of Neax 2000 IPS Trunking DiagramModule Configuration of Neax 2000 IPS Module ConfigurationFloor Standing Installation Installation MethodsWall-mounting of PIM Wall-mounting Installation19-inch Rack-mounting Inch Rack-mounting InstallationModules Modules and Installation HardwareModules of Neax 2000 IPS System System Conditions Circuit CardsConditions for DRS Conditions for MaintenanceTerminals Desk Console SN716 Deskcon FeaturesDterm Series i/Dterm IP Digital Multifunction Terminals Dterm 16D 16-button Dterm with Display Dterm Series i/Dterm IP Lineup Dterm 2 2-button DtermDterm 8 8-button Dterm Dterm 8D 8-button Dterm with DisplayIP Adapter IPW Analog Port Adapter APRAncillary Device Adapter ADA Computer Telephony Adapter CTAFigures of Dterm Series i/Dterm IP Dterm 16D White Dterm 16LD Black 11 Computer Telephony Adapter CTA 32D 16LD Dterm Series i/Dterm IP SpecificationsAPR ADA CTA IPW WMU Versatile Communication Tool for a variety of industries Wireless System13 System Configuration of Wireless Communications System ConfigurationPersonal Handyphone System PHS Personal Station PS PHS Personal Station PS SpecificationsCell Station CS 2-Wired U-Interface Cell Station CS SpecificationsIP Base Station IP-BS IP Base Station IP-BS SpecificationsIP-BS Personal Communication System PCS Personal Station PS PCS Personal Station PS SpecificationsZone Transceiver ZT Zone Transceiver ZT SpecificationsSpecifications Wire Zone Tranceiver U-I/F15 Zone Transceiver ZT and PCS Personal Station PS 16 SP30 Screen Dterm Softphone SP30Requirements Subpanels and FunctionsGrounding Requirements InstallationSystem Initialization Installation of Main EquipmentProgramming Mounting Circuit CardsSystem Data Entry MaintenanceSystem Administration Remote MaintenanceSystem Capacity Single MP System System Capacity32IPLA+16VCTA System Capacity Single MP System Cont’dPayload Size IP Specifications IP SpecificationsIP Specifications Cont’d Line Conditions Line ConditionsTransceiver for Latin America Cell Station/Zone Transceiver Line ConditionsCell Station/Zone Transceiver Line Conditions Cell StationPIMs Traffic CapacityDRS Device Registration Server Traffic Capacity Number

ND-91649 specifications

The NEC ND-91649 is an advanced optical disc writer designed for data storage and retrieval. It is particularly known for its impressive compatibility with various disc formats, enabling users to write, read, and erase data on multiple types of DVDs and CDs. This versatility makes it a choice favorite among both casual users and professionals who require reliable optical storage solutions.

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