III IP7 ST / STX Specifications    

Network Protocols TCP, UDP, IP, ARP, ICMP, IGMP, MULTICAST

Network Interface 10/100 Base-T Ethernet, Auto-MDIX

Core Processor ICC-256 50 MIPS SoC (System On A Chip)

IP Address Assignment  Static, DHCP

Transport Bandwidth 64kbs Nominal

Audio Protocol G.711. 8/16bit PCM/uLaw

Audio Latency  <200 Auto-Adaptive

Audio Line In/Out  Nominal 1V p/p

PoE Standards   802.3af 

Microphone  Balanced, Pseudo-Differential / AGC > 40db

Audio Power Out  1W / 8 Ohm Balanced Transformerless (BTL)

External I/O Relay: 250 VAC / 30VDC @ 60W / 1500 VAC Isolation;
Sensor Input: External Active Low

Expansion Bus  I2C for multiple relays, data acquisition sensors, displays, keyboards – requires custom integration.

Power (Nominal)  9-32VDC @ 5W 

Diagnostics  LED Status, USB, Temperature and Power Monitoring

Programming  Flash programmable via USB, Ethernet

Fault Management  Advanced Fail-Forward™ fault detection

Connector I/O  3.81 MM DIN Pluggables, RJ45, USB-B, RJ10

Direct Peripheral Support  Mic In, Line In, Speaker, Line Out, PTT, Relay, Sensor, I2C, USB-B, 

Temperature  -30~70 C (Operating), -40 C~85 C (Storage) 

Size 3.85. x 3.59 x 1.37 in (98 mm x 91mm x 35mm)