28/20-port 100M Managed POE Industrial Ethernet switches adopt high strength IP40 protective housing, industrial EMC design, including CRS7128P-8TX, CRS7128P-8FX, CRS7128P-8SFP and CRS7120P four models. They are layer2 Ethernet switches independently developed by Shenzhen Comark Technology Co., Ltd. Provide powerful management functions, which can be managed through Web browser, command line (CLI) and SNMP. The products provide 16 fixed 10/100M self-adaptive Ethernet ports, 4 fixed 1000M SFP interfaces (adaptable to 1000Base-X or 1000Base-T modules) and 8 optional 100Base-FX optical interfaces (default SC interface, FC/ST optional) or 8*100M SFP interfaces (adaptable to 100Base-X or 100Base-T modules) or 8*10/100M self-adaptive Ethernet ports. The 16 Ethernet ports support the standard POE function (a maximum of 24 Ethernet ports support POE) and support the IEEE 802.3at/af standard. The total power cannot exceed 300W .Base on industrial installation requirements, provide 1U standard rack mounting mode. The products also adopt fan-free, low power consumption, industrial design, working temperature range of - 40 ~ 85℃, which can meet the requirements of various industrial sites, and provide convenient Ethernet communication solutions.
Standard & Protocol |
IEEE 802.3 for 10Base-T IEEE 802.3u for 100Base-TX IEEE 802.3z for 1000Base-X IEEE 802.3x for Flow Control IEEE 802.1Q for VLAN IEEE802.1d for Spanning Tree Protocol IEEE802.1w for Rapid Spanning Tree Protocol |
Advanced Features |
QoS Setting to improve the quality of the service Port MAC-address learning and statistics Port Setting: Enable/Disable, Speed or Mode setting, Flow control Rate-limit to optimize the bandwidth of network Port Trunking to expand the bandwidth and improve the efficiency of the network 802.1Q VLAN to control multicast domain Unicast/multicast MAC-address management IGMP Snooping to filter multicast traffic GMRP industrial multicast registration protocol for application in substation Auto-recovery redundant CK-Ring (full-load failure recovery time < 20ms) Warning by relay output Rich network system management |
Management |
Web, CLI and SNMP V1/V2C/V3 management CLI can login with Telnet and CONSOLE |
Redundancy Protocol |
CK-Ring, STP/RSTP |
Interface |
RJ45 port: 10/100/1000BASE-T rate self-adaption, Full/half duplex mode,MDI/MDI-X self-adaption SFP interfaces: 1000BASE-X or SFP Copper 1000Base-T (Support twisted pair transmission) Console: RS-232 (RJ45 connector) debugging serial ports |
Switching Characteristic |
10M Forward: 14881pps 100M Forward: 148810pps 1000M Forward: 1488096pps Mode: Store and forward Banwidth: 12.8Gbps Cache: 1.5Mbits MAC: 16K |
Power Supply |
AC Input: redundant 100~240V AC(50~60Hz 1.2A) DC Input: redundant 36~48V DC Relay: port, power and ring network errors alarm Max. capcity: 1A@24VDC |
Physical Characteristic |
Dimensions(W×H×D): 482.6mm×44mm×275mm Net Weight: 3.15kg Case: IP40 metal case Install: Standard 1U Rack-Mount |
Environment Limits |
Work Temp: -40~85°C Storage Temp: -40~85°C Relative Humidity:5%~95%(non-condensing) |
Industrial Standard |
IEC61000-4-2(ESD): ±8KV Contact Discharge, ±15KV Air Discharge IEC61000-4-3(RS): 10V/M (80-1000MHZ) IEC61000-4-4(EFT): Power Cable ±4KV, Data Cable ±4KV IEC61000-4-5(Surge): Power Cable ±4KV CM/±2KV DM, Data Cable: ±4KV IEC61000-4-6(Radio Frequency Conduction): 3V (10KHZ-150KHZ), 10V (150KHZ-80MHZ) IEC61000-4-16(Common Mode Conduction ):30V(cont.),300V(1s) IEC60068-2-6(Vibration) IEC60068-2-27(Shock) IEC60068-2-32(Free fall) IEC61000-6-2(General Industrial Standards) IEC61850-3(Transformer Substation) IEEE1613(Power Substation) EN50121-4(Rail Transit |
Warranty |
5 years |
Available Models |
100M Copper Port |
100M Fiber Port |
Gigabit SFP Slot |
CRS7128P-8TX |
24 |
— |
4 |
CRS7128P-8FX |
16 |
8 |
4 |
CRS7128P-8SFP |
16 |
— |
12 |
CRS7120P |
16 |
— |
4 |
Name |
Version |
Date |
V1.1.1 |
2024-08-15 |