Ethernet |
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Product Specifications |
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Interfaces |
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Environmental Specifications |
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Physical Specifications |
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Power Characteristics |
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Performance |
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Certifications |
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EMI & EMS |
FCC Class A, CE EN55032 Class A, CE EN55035, CE EN61000-4-2, CE EN61000-4-3, CE EN61000-4-4, CE EN61000-4-5, CE EN61000-4-6, CE EN61000-4-8, CE EN61000-6-2, CE EN61000-6-4, EN 61131-2 |
Stability Testing |
IEC 60068-2-6 (Vibration), IEC 60068-2-27 (Operational and Non-operational Shock) |
HSR / PRP |
IEC 62439-3 HSR / PRP Seamless Redundancy Protocol (recovery time=0ms), PTP (IEEE 1588v2) over HSR / PRP support |
Power Substation |
IEC 61850-90-4 MMS Server for SCADA integration, IEC 61850 QoS traffic prioritization (GOOSE, SV, R-GOOSE, R-SV) |
Precision Time Protocol (PTP) |
IEEE 1588v2 Transparent Clock (E2E / P2P) One-step / Two-step, Profile: Default (IEEE 1588 v2), IEEE C37.238-2017 (Power Utility Profile), IEC / IEEE 61850-9-3 & IEEE C37.238-2011 |
Management |
Web GUI, CLI with context-sensitive help, LLDP, LLDP-MED, Console port (USB Type-C), Front panel LEDs (PSU / PoE / fault), USB storage for firmware / config backup & distribution, Recessed reset button, Flow control (802.3x), REST API / OpenAPI, CDP, FTP / FTP-SSL / SFTP |
IP Stack |
IPv4 + IPv6 dual stack, ICMP |
IPv6 Features |
IPv6 hardware ACLs |
SNMP |
SNMP v1 / v2c / v3, Trap, SNMPv3 USM / TSM, RFC2819 RMON 1,2,3,9 / MIB II / IF-MIB / Bridge / Q-BRIDGE / LAG / LLDP-EXT / Private MIB |
Multicasting |
IGMP snooping with fast leave, MLDv2 / MLD snooping, GMRP / GARP |
VLAN |
GVRP, VLAN stacking / Q-in-Q, 802.1Q tag VLAN 4K, VLAN ID 1-4094, Port-based VLAN |
QoS |
8 priority queues, SP / WRR / mixed scheduling, DiffServ / IP precedence marking (L2 / L3 / L4), Policy-based QoS (VLAN / port / MAC / classifier) and traffic shaping, Policy-based storm protection, Taildrop queue congestion control |
Resiliency |
ITU-T G.8032 ERPS, LACP, Loop detection and thrash limiting, MRP (Manager / Client), MSTP / RSTP, STP root guard, xSTP |
Services |
DNS client, DNS / DNSv6 relay, DHCP client / server / relay, DHCPv6 server / relay, HTTP / 1.1, NTP Client (IPv4 / IPv6), NTP Server, SNTP server / client, SSHv2, TELNET, TFTP |
Reliability |
Protection circuits / redundant power input, Environmental monitoring (temperature / voltage) |
Diagnostic |
Link flap detection / port shutdown, Syslog over IPv4, Optical DDM, Ping IPv4 / IPv6, Port mirroring (4 Rx analyzer / 1 Tx analyzer), VLAN mirroring (RSPAN), TraceRoute IPv4 / IPv6, Copper cable test / TDR, Signal contact (relay output), SFP management, Snapshot configuration, Self test on cold start, Event logging |
Config |
Readable text config import / export, Backup / restore via HTTP / HTTPS / FTP / FTP-SSL / SFTP / TFTP |
Security Features |
AAA, Auth-fail / guest VLAN, Management ACL (remote admin), BPDU protection, DHCP snooping / IP source guard / DAI, DoS attack blocking, HTTPS, MAC filtering / lockdown, Password protected bootloader, Port-based learn limit, Strong password / Login Policy, TACACS+ authentication and accounting, Two-authentication: MAC-based and IEEE 802.1X, Trust access control (PACC), Port Security (Static Port Lock), RADIUS / TACACS+ authentication, IEC 62443-4-2 SL2*, IEEE 802.1X |
Firmware |
Upgrade via HTTP / HTTPs / FTP / FTP-SSL / SFTP / TFTP, Dual Image |
Dual Homing |
Two separate uplink paths |
Rate Limit |
Bi-directional Rate limit in percentage (Ingress and Egress), Ingress packet-type combination (BC / MC / UC), Egress traffic shaping |
ACL |
L2 / L3 (IPv4 / IPv6)/L4 filtering, classification by MAC / IP / port / VLAN, Bi-directional ACL (ingress + egress), Time-range based ACL, VLAN-based ACL, IMPB (IP-MAC-Port Binding) |
Layer 3 Routing |
IGMP v1 / v2 / v3, MLD v1 / v2 |
Time Sync |
Daylight Saving Time |


| P/N | Model Name | Description |
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DRS-8G-2S2SR_W |
DRS-8G-2S2SR | Local Ports: 8x 1G Copper and 2x 1G Fiber, HSR/PRP Ports: 2x 1G Fiber, -40°C ~ 75°C / -40°F ~ 167°F, Redundant Dual Input 12/24/48 VDC (9 ~ 56V) |
DRS-8G-2S2SR_H |
DRS-8G-2S2SR | Local Ports: 8x 1G Copper and 2x 1G Fiber, HSR/PRP Ports: 2x 1G Fiber, -40°C ~ 75°C / -40°F ~ 167°F, Redundant Dual Input 100 ~ 300 VDC or 90 ~ 264 VAC |
| License Name | Availability/Type | Features Included |
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| HSR/PRP | Built-in (Default) |
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| IEC 61850 | Built-in (Default) |
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| PTP-POWER | Built-in (Default) | PTP Power Profiles:
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| PTP-TC | Built-in (Default) | IEEE 1588v2 Default Profile supporting Transparent Clock (TC):
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| IEC 62443-4-2 | Optional (Available upon request) |
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