The Moxa NPort 6600-8-HV-T is an industrial-grade 8-port secure serial device server designed for high-voltage DC environments and extreme temperatures. It supports RS-232/422/485 on each port individually and ensures secure, encrypted communication using TLS and SSH protocols.

This device is ideal for critical infrastructure and automation scenarios where downtime is unacceptable and operational environments are demanding. It supports IPv6, serial-to-Ethernet modes, and comes equipped with 64 KB port buffers for data retention during network interruptions.

Key Highlights:

• 8 individually configurable RS-232/422/485 serial ports via RJ45
• Wide-range high-voltage DC input: 110 VDC (88 to 300 VDC)
• Extended temperature range: -40 to +75 °C
• Secure data communication with TLS 1.2, SSHv2, AES-128/256
• IPv4/IPv6 dual-stack with full management protocol support
• Configurable termination and biasing for RS-485 per port

Specifications:

Serial Interface:

• Ports: 8
• Connector: 8-pin RJ45
• Protocols: RS-232, RS-422, RS-485 (2/4-wire)
• Baudrate: 50 bps to 921.6 kbps
• RS-485 resistors: 120 Ω termination, 1 kΩ pull-high, 150 kΩ pull-low (adjustable)

Network Interface:

• 1 x 10/100BaseT(X), RJ45 with Auto MDI/MDI-X
• IPv4/IPv6, SNMP, HTTPS, LLDP, DHCP, Telnet, Turbo Ring via NM module

Security:

• Authentication: Local DB, RADIUS, TACACS+
• Encryption: TLS 1.2, AES-128/256, HMAC, SHA-1/256/384
• Secure Protocols: SSHv2, SNMPv3, HTTPS

Power:

• Input Voltage: 110 VDC (range: 88 to 300 VDC)
• Current: ~200 mA @ 88 VDC

Mechanical:

• Dimensions: 440 x 195 x 44 mm (without ears)
• Weight: ~3460 g
• Housing: Rugged metal chassis, rack-mountable

Environmental:

• Operating Temp: -40 to +75 °C
• Storage Temp: -40 to +75 °C
• Humidity: 5–95% (non-condensing)

Certifications:

• EMC/EMS: IEC 61000-4-2 to -11, FCC Part 15B, EN 55032/35
• Safety: UL 60950-1, NEMA TS2
• Vibration/Freefall: IEC 60068-2-6 / -34
• Environmental: RoHS, CRoHS, WEEE

MTBF:

• 501,171 hours (Telcordia standard)

Package Contents:

• 1 x NPort 6600-8-HV-T terminal server
• 2 x rack-mounting ears
• 1 x DB9 male to RJ45 cable
• 1 x quick installation guide
• 1 x warranty card