Mitel NWK954 manual Power Supply, DC Electrical Characteristics

Page 13

NWK954

POWER SUPPLY

Recommended Operating Conditions apply except where otherwise stated

Characteristic

Symbol

 

Value

Units

Conditions

 

 

 

Min.

Typ.

Max.

 

 

 

 

 

 

 

 

 

 

 

Supply voltage

VDD

4·25

 

5·25

V

 

Supply current

IDD

 

 

400

mA

Includes current through external components(see Fig. 8)

DC ELECTRICAL CHARACTERISTICS

Recommended Operating Conditions apply except where otherwise stated

Characteristic

Symbol

 

Value

Units

Conditions

 

 

 

Min.

Typ.

Max.

 

 

 

 

 

 

 

 

 

 

 

Digital input, no pull-up

 

 

 

 

 

 

Input high voltage

VIH

2

 

VDD

V

 

Input low voltage

VIL

VSS

 

0·8

V

 

Hysteresis

VH

0·3

 

 

V

 

Input high current

IIH

 

 

1

μA

 

Input low current

IIL

 

 

Ð1

μA

 

Capacitance

CI

 

 

8

pF

Including package

 

 

 

 

 

 

 

Digital input, with pull-up

 

 

 

 

 

 

Input high voltage

VIH

2

 

VDD

V

 

Input low voltage

VIL

VSS

 

0·8

V

 

Hysteresis

VH

0·3

 

 

V

 

Input high current

IIH

 

 

1

μA

 

Input low current

IIL

Ð17

 

Ð130

μA

VIL = 0

Capacitance

CI

 

 

8

pF

Including package

 

 

 

 

 

 

 

Standard digital output

 

 

 

 

 

 

Output high voltage

VOH

4

 

VDD

V

IOH = Ñ6mA

Output low voltage

VOL

VSS

 

0·4

V

IOL = 6mA

Rise time

tR

 

 

4

ns

0·4V to 2·4V into 20pF load

Fall time

tF

 

 

3

ns

2·4V to 0·4V into 20pF load

Tristate leakage

 

Ð1

 

1

μA

 

Capacitance

CO

 

 

8

pF

Including package

 

 

 

 

 

 

 

High drive digital output

 

 

 

 

 

 

Output high voltage

VOH

4

 

VDD

V

IOH = Ñ24mA

Output low voltage

VOL

VSS

 

0·4

V

IOL = 24mA

Rise time

tR

 

 

TBD

ns

0·4V to 2·4V into 100pF load

Fall time

tF

 

 

TBD

ns

2·4V to 0·4V into 100pF load

Tristate leakage

 

Ð1

 

1

μA

 

Capacitance

CO

 

 

8

pF

Including package

 

 

 

 

 

 

 

Open drain digital output

 

 

 

 

 

 

Output low voltage

VOL

VSS

 

0·4

V

IOL = Ñ6mA

Fall time

tF

 

 

TBD

ns

5V to 0·4V into 30pF load

Tristate leakage

 

Ð1

 

1

μA

 

Capacitance

CO

 

 

8

pF

Including package

 

 

 

 

 

 

 

High drive open drain digital output

 

 

 

 

 

 

Output low voltage

VOL

VSS

 

0·4

V

IOL = 24mA

Fall time

tF

 

 

TBD

ns

2·4V to 0·4V into 100pF load

Tristate leakage

 

Ð1

 

1

μA

 

Capacitance

CO

 

 

8

pF

Including package

 

 

 

 

 

 

 

13

Image 13
Contents Preliminary Information FeaturesOrdering Information NWK954 Functional Description GP128Overvlew Compliance with StandardsNWK954 block diagram Jabber Protection Basic Repeater FunctionAuto-Partition Function Carrier Integrity MonitorExternal backplane drivers/receivers NWK954 LED DriversPort status Network utilization100BASE-TX Receiver Power Saving on unused ports100BASE-TX Transmitter InitializationPIN Descriptions Signal Pin no Type DescriptionNetwork Interface Continues…Backplane data output enable. Enables the external Backplane data input enable. Enables the externalBackplane collision output enable. Enables the external Clocks and Controls No Connects PowerAbsolute Maximum Ratings Recommended Operating ConditionsDC Electrical Characteristics Power SupplyCharacteristic Reference AC Electrical CharacteristicsExternal Components See Fig Component Value Tol DescriptionMagnetics Lead Plastic Quad Flatpack GP128 Package Details

NWK954 specifications

The Mitel NWK954 is a powerful, versatile networking device designed to meet the demands of modern communication systems. This device is tailored for businesses seeking robust networking capabilities while offering a suite of features that enhance connectivity and communication efficiency.

One of the standout characteristics of the Mitel NWK954 is its advanced call handling capabilities. It supports multiple concurrent calls, ensuring that organizations can handle high volumes of communication without any degradation in service quality. This feature is particularly beneficial for customer service centers and enterprises that prioritize seamless communication.

Equipped with VoIP technology, the NWK954 allows businesses to take advantage of Voice over Internet Protocol for efficient and cost-effective voice communications. Integration with existing telephony systems is simplified, enabling organizations to leverage their current infrastructure while upgrading to more sophisticated functionalities. The device supports a range of codecs, making it adaptable for various bandwidth scenarios, which is essential for ensuring voice clarity and minimizing latency.

The NWK954 is also characterized by its robust security features. It incorporates advanced encryption protocols to safeguard voice data from potential threats, ensuring secure communication across the network. This security is crucial for businesses that require confidentiality and data protection in their communication processes.

In terms of connectivity, the Mitel NWK954 offers multiple Ethernet ports that facilitate easy integration with existing networks. This flexibility allows businesses to connect various devices and systems, enhancing the overall communication ecosystem. Additionally, its support for Power over Ethernet (PoE) simplifies the installation process, eliminating the need for separate power sources for connected devices.

Another notable feature is its user-friendly interface, which simplifies management and configuration tasks. Organizations can easily monitor call activities, customize settings, and generate reports, fostering an efficient and user-centric environment.

In summary, the Mitel NWK954 is a comprehensive networking solution that boasts advanced call handling, VoIP support, robust security features, flexible connectivity options, and a user-friendly management interface. These characteristics position it as a valuable asset for businesses looking to enhance their communication capabilities and streamline operations in an increasingly interconnected world.