POE-VOICE-RD Silicon Laboratories Inc, POE-VOICE-RD Datasheet - Page 9

• Manufacturer Part Number: POE-VOICE-RD
• Description: KIT REF DESIGN PWR OVER ETHERNET
• Manufacturer: Silicon Laboratories Inc

Specifications of POE-VOICE-RD

• Main Purpose: Reference Design, Power Over Ethernet , Voice Transmission
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: C8051F340, CP2201, Si3400
• Primary Attributes: Embedded Ethernet, Power over Ethernet, 8 kHz Voice Sampling System
• Secondary Attributes: Graphical User Interface
• Processor To Be Evaluated: C8051F340
• Interface Type: Ethernet
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 336-1326

7.1. Monitoring Real-Time Sensor Data Using a Web Browser
Clicking the first link on the main web page ‘1. View sensor data’ will load the embedded sensor data web page
shown in Figure 11. This page alternates between refreshing the temperature and the light sensor data every two
seconds. The temperature measurements are taken from the C8051F340’s on-chip temperature sensor and the
ambient light reading is taken from the light sensor in the right hand side of the board next to the microphone.
7.2. Simulating Yellow and Green (System Status LEDs) From a Web Browser
The yellow LED on the Ethernet connector and the green LED on the board are used to indicate system status
when first connecting the PoE-VoIP-EB to a network. Table 2 describes the various system states indicated by the
yellow and green LEDs.
Blinking (slow)
Blinking (fast)
On (continuous)
Blinking (intermittent)
Off (continuous)
LED State
The MCU is waiting for a network connection. The Ethernet cable is not connected.
The MCU is connected to a network and is trying to acquire an IP address using DHCP.
The system has obtained an IP address and is properly configured.
The system has entered static IP address mode. Please use Netfinder to assign a static
IP address or cycle power to continue searching for a DHCP server.
A hardware error has occurred. Please cycle power.
Figure 11. Viewing Sensor Data
Table 2. Yellow LED States
Rev. 0.2
System State
PoE-VOICE-RD
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