Mitel NWK954 PIN Descriptions, Network Interface, Continues…, Signal Pin no Type Description

Page 9

NWK954

PIN DESCRIPTIONS

Active low signals are denoted by the _N suffix; all other signals are active high

Network Interface

Signal

Pin no.

Type

 

Description

 

 

 

 

 

 

 

P0_RXIP

24

Analog input

 

(1) Differential receive signal from port 0 magnetics

 

 

 

 

 

 

 

P0_RXIN

23

Analog input

 

(2) Differential receive signal from port 0 magnetics

 

 

 

 

 

 

 

P0_TXOP

31

Analog output

 

(1) Differential transmit signal to port 0 magnetics

 

P0_TXON

30

Analog output

 

(2) Differential transmit signal to port 0 magnetics

 

 

 

 

 

 

P0_TXREF

27

Analog output

 

Port 0 transmitter current setting pin, grounded externally

 

 

 

 

 

 

P1_RXIP

41

Analog input

 

(1) Differential receive signal from port 1 magnetics

 

 

 

 

 

 

 

P1_RXIN

42

Analog input

 

(2) Differential receive signal from port 1 magnetics

 

 

 

 

 

 

 

P1_TXOP

34

Analog output

 

(1) Differential transmit signal to port 1 magnetics

 

 

 

 

 

 

 

P1_TXON

35

Analog output

 

(2) Differential transmit signal to port 1 magnetics

 

P1_TXREF

38

Analog output

 

Port 1 transmitter current setting pin, grounded extemally

 

 

 

 

 

 

P2_RXIP

56

Analog input

 

(1) Differential receive signal from port 2 magnetics

 

 

 

 

 

 

 

P2_RXIN

55

Analog input

 

(2) Differential receive signal from port 2 magnetics

 

P2_TXOP

63

Analog output

 

(1) Differential transmit signal to port 2 magnetics

 

 

 

 

 

 

 

P2_TXON

62

Analog output

 

(2) Differential transmit signal to port 2 magnetics

 

 

 

 

 

 

P2_TXREF

59

Analog output

 

Port 2 transmitter current setting pin, grounded extemally

 

 

 

 

 

 

P3_RXIP

73

Analog input

 

(1) Differential receive signal from port 3 magnetics

 

 

 

 

 

 

 

P3_RXIN

74

Analog input

 

(2) Differential receive signal from port 3 magnetics

 

 

 

 

 

 

 

P3_TXOP

66

Analog output

 

(1) Differential transmit signal to port 3 magnetics

 

 

 

 

 

 

 

P3_TXON

67

Analog output

 

(2) Differential transmit signal to port 3 magnetics

 

 

 

 

 

 

P3_TXREF

70

Analog output

 

Port 3 transmitter current setting pin, grounded extemally

 

 

 

 

 

 

 

 

 

Table 4

 

Expansion Port

 

 

 

 

 

 

 

 

 

 

 

Signal

Pin no.

Type

 

Description

 

 

 

 

 

 

IRD4

1

High drive open

 

Inter-repeater data. Transfers 5-bit symbol data between

IRD3

128

drain digital

 

NWK954s on the local expansion bus, and to/from the

IRD2

127

output and digital

 

backplane drivers. Transfers are synchronous to BPCLK.Require

IRD1

98

input with pull-up

 

external pull-ups for correct operation.

 

IRD0

97

 

 

 

 

 

 

 

 

 

LACTOUT_N

2

High drive digital

 

Local activity output. Indicates receive activity in this

 

 

output

 

NWK954. Connects to all other NWK954s on the local

 

 

 

 

expansion bus. Output changes asynchronously.

 

 

 

 

 

 

LACTIN_N5

10

Digital input,

 

Local activity inputs. One input from each NWK954 on

LACTIN_N4

9

no pull-up

 

the local expansion bus to indicate receive activity. Unused

LACTIN_N3

8

 

 

inputs must be pulled high or connected directly to

 

LACTIN_N2

7

 

 

DIGVDD. Inputs are sampled on on the rising edge of TXCLKIN.

LACTIN_N1

6

 

 

 

 

 

 

 

 

 

BPACTOUT_N

105

Standard digital

 

Backplane activity output. Indicates receive activity on

 

 

output

 

any of the NWK954s on the local expansion bus. Drives

 

 

 

 

the backplane through an external driver. Only one of the

 

 

 

 

local NWK954s is required to drive this signal, the others

 

 

 

 

should be left unconnected. Output changes asynchronously.

 

 

 

 

 

 

 

 

 

Table 5

Continues…

9

Page 8 Page 10
Image 9
Page 8 Page 10
Contents Features Preliminary InformationOrdering 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 input enable. Enables the external Backplane data output 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.
Top Page Image Contents