Digi One SP and Digi One IA - Ethernet / Serial 1 port conversion


Digi One SP and Digi One IA - Ethernet / Serial 1 port conversion

The Serial Port Over Ethernet Family Digi One SP, Digi One SP IA and Digi One IAPprovides highly reliable network connectivity for virtually any type of serial device, all in a very compact package. They are characterized by low latency, transmission speeds of up to 230 Kbps and allow hardware and "full modem" control.
These serial-to-Ethernet solutions are ideal for data communications, RTUs, PLCs.

The Digi One SP has one of the smallest form factors available at a very low cost while theDigi One SP IAand Digi One IAP are DIN rail compatible, Modbus compatible and multi-connection,

There is also a ruggedized 1-port server version for hazardous locations and / or extreme temperatures (Digi One IAP Haz).

All of these servers support a wide range of protocols such as telnet or reverse telnet, using serial tunneling, UDP / TCP connections or Digi's patented RealPort port forwarder: RealPort allows existing applications to communicate, without modification, with serial devices over Ethernet as if they were communicating through a serial cable.


Digi One SP IA
Digi One IA Digi One IAP Digi One IAP Haz
Management Administration HTTP configuration HTTP configuration, Digi Port authorization - Diagnoctics and remote administration and "auto-discovery" tool, SNMP (read / write)
Protocols TCP / UDP Socket Services, UDP Multicast, Telnet, Reverse Telnet, RFC2217, DHCP / RARP / ARP-Ping for IP address assignment Telnet, Reverse Telnet and Extended Telnet RFC 2217; TCP / UDP Socket Services; UDP, supports 32 concurrent socket connections; DHCP / RARP, ARP-Ping; Modbus ASCII / RTU conversion to Modbus TCP; Ethernet-to-Serial Modbus bridge function supporting Modbus / TCP, Modbus / UDP, Modbus / RTU, Modbus / ASCII; Modbus bridge supporting TCP and UDP encapsulation of Modbus / RTU, Modbus / ASCII Telnet, Reverse Telnet, RFC2217, Services Socket TCP / UDP, PPP, DHCP / RARP, ARP-Ping, Static IP for IP address assignment, supports 64 concurrent socket connections, ASCII, DF1, Modbus RTU / ASCII, Modbus / TCP, EtherNet / IP, Allen-Bradley Ethernet
Software RealPort port forwarding (patented) for COM / TTY ports for Microsoft Windows, UNIX and Linux
Security None None SSHv2, SSL, TLS, HTTPS
Operating Systems for RealPort AIX, HP-UX, Linux, SCO OpenServer 5, SCO OpenServer 6, Solaris Intel, Solaris SPARC, Windows XP, Windows Server 2003, Windows Server 2008, Windows Vista, Windows 7
Indicator LEDs
Link, Power Serial signals, Power, Ethernet, Diagnostics
Dimensions (L x W x D) 9.40 cm x 4.30 cm x 2.30 cm 12.00 cm x 2.30 cm x 10.10 cm
Weight 65 g 64 g
Other Full modem and hardware flow control, modem emulation, wall mounting kit (included with the Digi One SP IA) Full modem and hardware flow control, Flash update firmware, 35mm DIN rail mounting kit Full modem and hardware flow control, Flash update firmware, 6 ms serial transfer latency over Ethernet, 35 mm DIN rail mounting kit Conformal coated PCB, Full modem and hardware flow control, Flash update firmware, 6 ms serial transfer latency over Ethernet, 35 mm DIN rail mounting kit
Serial Ports
1 x RS-232/422/485 (selection by switch)
Serial port connector
DB-9M DB-9M or screw terminal connector Screw terminal connector or DB-9M; DB-9M can serve as a second straight-through RS-232 port or can be used as a through port for the screw terminal connector
Serial Flow
Up to 230 Kbps
Ethernet physical layer
10 / 100Base-T
Feed range
9-30 VDC @ 0.5A max
Food Supplied with 120 / 240VAC mains power supply to 12 VDC @ 0.5A max Block power supply with screw terminals for power supply. external Screw terminals for power supply (power supply not included)
Other Consumption: Typical: 4 W; Max: 6W
Power connector: jack connector to bare wires
  Power over Ethernet (802.3af standard), support and failover function when used with 9-30 VDC input  
Overvoltage protection
4 kV peak (EFT) for EN61000-4-4, 2 kV overvoltage for EN61000-4-5 2 kV insulation between the power supply and the serial ground of the product
Operating temperature
10º C to 45º C 0º C to 60º C -35 ° C to + 74 ° C
Relative humidity
5% to 90% (non-condensed)
Insulation Ethernet
No 1500 VAC min for standard IEEE 802.3 / ANSI X3.263
Serial port protection (ESD) No +15 kV air hole and +8 Kv contact discharge for standard IEC 1000-4-2
security UL 60950, EN60950, CAN / CSA C22.2 No. 60950 UL 60950, UL1604 (Class 1 Div 2), EN60950, CAN / CSA C22.2 No. 60950
/ Emissions / immunity
FCC Part 15 Subpart B (Class A), EN55024, EN55022 (Class A), EN61000-3-2,3 FCC Part 15 (Class A), ICES-003 (Class A), CE, AS3548, EN6100-6-2 + EN55024, EN55022 (Class A)

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