Siemens SCALANCE M874-2 - Page 54

Technical specifications
5.2 HSPA+ router SCALANCE M874-3
SCALANCE M874, M876
54 Operating Instructions, 06/2015, C79000-G8976-C331-05
M874-3
Relative humidity
During operation
≤ 95% at 25 °C, no condensation
Design, dimensions and weight
Module format
Compact module S7-1500
Degree of protection
IP20
Weight
290 g
Dimensions (W x H x D)
34.8 x 150.9 x 134.7 mm
Installation options
• Wall mounting
• Mounting on a DIN rail
• Mounting on an S7-300 standard rail
• Mounting on an S7-1500 standard rail
Installation direction Vertical
(ventilation openings at the top and bottom)
Product functions
Firewall and security
• Stateful inspection
• Packet filter
• IPsec VPN for up to 20 connections
• SINEMA RC client
• Password protection
Router functions
• NAPT (port forwarding)
• NAT (IP masquerading)
• NAT traversal
• NETMAP
• Dynamic DNS client
• DNS cache
• NTP
• Remote logging
• Connection monitoring
Configuration / management
• Web-based administration user interface
(WBM)
• Remote access with HTTPS
• SNMP and SNMP traps