Robustel R3000 NU User Manual
Page 10
Robustel GoRugged R3000 NU User Guide
RT_UG_R3000 NU_v.1.0.0 24.03.2014 9 / 110
Confidential
Serial Interface
Number of Ports: 1 x RS-232, 1 x RS-485 or 2 x RS232 or 2 x RS485
ESD Protection: ±15KV
Parameters: 8E1, 8O1, 8N1, 8N2, 7E2, 7O2, 7N2, 7E1
Baud Rate: 300bps to 230400bps
RS-232: TxD, RxD, RTS, CTS, GND
RS-485: Data+ (A), Data- (B), GND
Interface: 3.5mm terminal block with lock
Digital Input
Type: 2 x DI, Dry Contact
Dry Contact: On: open, Off: short to GND
Isolation: 3K VDC or 2K Vrms
Digital Filtering Time Interval: Software selectable
Interface: 3.5mm terminal block with lock
Digital Output
Type: 2 x DO, Sink
Isolation: 3K VDC or 2K Vrms
Absolute Maximum VDC: 36V
Absolute Maximum ADC: 50mA
Interface: 3.5mm terminal block with lock
System
LED Indicators: RUN, WLAN, USR
Built-in RTC, Watchdog, Timer
Expansion: 1 x USB 2.0 host up to 480 Mbps
Storage: 1 x MicroSD
Software
Network protocols: PPPoE, TCP, UDP, DHCP, ICMP, NAT, DMZ, RIP v1/v2, OSPF, DDNS, VRRP, HTTP, HTTPs, DNS, ARP,
QoS, SNTP, Telnet, VLAN, etc