Hirschmann GREYHOUND-GRS105 Industrial Aggregation Switch

Hirschmann GREYHOUND-GRS105 Industrial Aggregation Switch

Product Overview
The GREYHOUND GRS105 is a 1U rack-mount, fanless managed industrial Layer 3 aggregation switch from Hirschmann, part of Belden. Designed for industrial backbone and aggregation layers in factory automation, rail transit, power, and energy applications, it enables seamless integration between industrial OT networks and office IT networks. It belongs to the standard Greyhound 105 series (the upgraded model GRS106 in the same series supports 10G SFP+).

Hardware Core Specifications
1. Port Architecture (Maximum 30 Ports for the Entire System)
Standard Port Configuration: 6 multiplexed SFP optical ports + 24 Gigabit electrical ports. Model suffixes indicate configurations:
GRS105-24TX/6SFP: 6×1/2.5G SFP + 24×GE RJ45 (Most commonly used model)
GRS105-6F8F16T: 6 SFP + 8 SFP + 16 electrical ports, up to 14 optical ports
Optional PoE++ Version: Supports 24-port IEEE 802.3bt 90W power supply
SFP Slot Characteristics: Adaptive 1G/2.5G optical modules; GRS105 does not support 10G 10 Gigabit (10 Gigabit selected as GRS106)
2. Physical and Environmental
Installation: 19-inch standard 1U rack, fanless full silent cooling
Protection: IP30, industrial pollution grade 3
Operating Temperature: -10°C ~ +60°C (Full system load)
Power Supply: Single / Dual redundant power supply options available
DC: 24–48VDC; AC: 110–240VAC; High Voltage DC 110–250VDC
Storage: Front SD card slot for backup configuration, firmware upgrade
Weight: Single power supply 4.7kg, dual power supply 5.1kg
Size: Standard 1U rack equipment
3. Switching Performance
Switching Capacity: Full-speed Gigabit / 2.5G forwarding, non-blocking architecture
Support for large frames Jumbo Frame, port traffic shaping, storm suppression

Software System HiOS-2A (Core Functions)
1. Industrial Redundancy Protocol (Core of Industrial Control Ring Network)
HIPER-Ring (Hirschmann self-developed self-healing ring, fault recovery < 10ms)
MRP/MRPD (IEC62439 standard industrial ring network)
RSTP/STP, LACP link aggregation, link backup
2. Layer 2 / Layer 3 Switching Routing
Full VLAN, dual-label QinQ, GVRP/MVRP, Voice VLAN
IGMP Snooping v1/v2/v3, multicast filtering (video surveillance / industrial multicast)
Static routing, RIP, OSPF three-layer routing (optional three-layer authorization)
QoS 802.1p/DSCP port priority, industrial real-time traffic guarantee
3. Network Security (Compliance with Industrial Security Protection)
MACsec IEEE802.1AE Layer 2 link encryption (models with MACsec GRS115)
IEC 62443-4-1 Industrial Network Security Certification Development Process
Hierarchical administrator accounts, configuration encryption, SSH/HTTPS/Telnet control
Port security, ACL access control, intrusion prevention, disabling unused ports
HiDiscovery device management, dual firmware image, online without downtime upgrade

Typical Application Scenarios
Centralized control in factory automation: PLC, machine vision, robot backbone switch
Railway vehicle depot / station comprehensive network
Power substation, new energy photovoltaic / wind power station
Large factory industrial + office integrated network centralized core
Port, tunnel, building industrial security monitoring platform