ip88-EDGE Network Interface

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ip88-EDGE Network Interface

With the growing use of IP wireless radios and other commercial connectivity options for STLs, the Network EDGE offers a broadcast-quality interface into these inexpensive transport methods.
Wheatstone_EDGE_2560
EDGE-REAR-PHOTO-2560
Edge-Flowchart_v3_2560
Edge_Interface_Graphics_Function_25609
Edge_Interface_Graphics_Studio_2560
Edge_Interface_Graphics_Transmitter_2560

Network EDGE is designed specifically as a translator between high-quality, low-latency studio networks such as WheatNet-IP and low-bandwidth STL connectivity options such as IP wireless radios.

IP wireless radios in the unlicensed 5 or 24 GHz range are priced from a few hundred to several thousand dollars.

Typically located at the studio, the Network EDGE interfaces directly to an IP wireless radio or commercial leased line for point-to-point connectivity between locations. Network EDGE can be used with any of the major IP radio brands currently on the market. When used within the WheatNet-IP system, with a Network EDGE at one end and a BLADE at the other, this opens up a world of possibilities based on BLADE I/O functionality such as silence detection, clip player, logic for automation, et al.

The Network EDGE includes local I/O (two AES and two stereo analog) and 12 programmable logic ports.

EDGE provides the data buffering needed between the studio IP audio network and the STL in order to handle the latency swings typical of unlicensed IP radios. It handles the necessary delay as a buffer to any latency shifts that come across the link and acts as an interface between the WheatNet-IP audio network and the IP radio. (This is because the critical difference between unlicensed and licensed wireless IP systems is how the two handle latency. IP wireless radios operating on licensed frequencies have exclusive use of the band and therefore have a consistent, lower latency, typically around 100 microseconds. Comparatively, latency on an unlicensed system can jump from 2 milliseconds up to 12 or 20 milliseconds depending on interference or even changes in weather patterns.)

For more info in IP Radios, check out these two articles:

1. Your Cheat Sheet to Part 101 Wireless STLs

and 

2. Life On The Edge: STL via IP Microwave

Below are three diagrams that illustrate the function of the EDGE, it's application in a STUDIO, and its application at the TRANSMITTER.

Edge Interface Graphics Function 600

 

Edge Interface Graphics Studio 600

 

Edge Interface Graphics Transmitter 600

 

  • IP Wireless STL (half-duplex) compatible
  • 2 programmable logic ports (GPIO)
  • 4 audio inputs: 2 AES/2 analog
  • Compatible with WheatNet-IP BLADEs for control functions
  • Front panel headphone jack
  • 1RU, no fans
  • Ethernet port

Specifications for all BLADEs...

Common Specs:

LOGIC I/O

Connector       RJ45 (2), 12 channels

Voltage          +5VDC to GND,  +5VDC and GND provided

Current          100mA max source/sink

 

ETHERNET

Connectors   RJ45

Cable          CAT5E or CAT6

Audio transport          Gigabit Ethernet   1000BASE-T, used for all BLADE-to-BLADE audio traffic

Utility interface          100BASE-TX for future use

 

SYSTEM

Sample rate          44.1 or 48kHz, user selectable in software

Sync                    Internal or external, External sync input on any I/O digital BLADE

Reference level     0dBFS=+4dBu (+4dBu=1.23VRMS)

Latency                0.5mS, BLADE to switch to BLADE

 

PHYSICAL 

Dimensions         

19"/48.3cm wide, 1-3/4"/4.5cm high 

13-1/4"/33.7cm deep 

15-1/4"/38.7cm deep with connectors

 

Shipping weight          14lbs/6.4kg

 

POWER REQUIREMENTS

90-260VAC, 50-60Hz

ip88a: 49VA, 30W 

ip88d: 23VA, 12W 

ip88ad: 35VA, 19W

ip88m: 35VA, 19W 

ip88cb: 35VA, 19W

ip88e: 18VA, 10W

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