Rack Mount Gigabit Unmanaged Industrial Ethernet Switches
Overview:
* High Port Density, Up to 24 Fast-Ethernet Ports and   2 Gigabit Combo Ports
* Elastic configuration, 100Base fiber port with SC/ST   connectors, multi-mode/single-mode models are available
* Multiple power inputs include low voltage redundant   power models or 110/220VAC models
Specifications
* Technology
Network Standards:
IEEE802.3 10Base-T
IEEE802.3u 100BaseT(X) and 100BaseFX
IEEE802.3ad 1000Base(X)
IEEE802.3z 1000BaseSX/LX/HLX/ZX
IEEE802.3x Flow Control
Flow Control:Full/Half Duplex Back Pressure Flow Control
* Interface
RJ45 Port Connectors:10/100Base(X) or 10/100/1000BaseT(X) Auto-Negotiation
Fiber Port Connectors:1000BaseSX/CX/LHX/ZX(SFP slots, LC connectors)
LED Indicators:Power, Port Status, 10/100/1000M
* Power Requirements
Power Inputs:48VDC(8~56VDC); 110/220VAC(85~265VDC);
220VDC(120~370VDC); 110VDC(100~120VDC);
* Fiber Optic:
| 
 Mode  | 
 Typical Dist  | 
 Wavelength  | 
 Cable Size  | 
 TX Power  | 
 Rx Sensitivity  | 
 Transmission speed  | 
| 
 Multi  | 
 2km  | 
 1310nm  | 
 62.5/125um  | 
 -23.5~-14dBm  | 
 < -35dBm  | 
 10/100/1000Mbps  | 
| 
 Single  | 
 15km  | 
 1310nm  | 
 9/125um  | 
 -15~-8dBm  | 
 < -35dBm  | 
 10/100/1000Mbps  | 
* Physical Characteristics
Case:Slim Metal Case, IP40 Design
Dimensions:(W×H×D):443×44×220mm(HFB18C-2G/26C-2G)
Installation:19" rack mounting
* Environment Limits
Standard Temp Models:-10˚C to 60˚C
Extended Temp Models:-40˚C to 75˚C
Storage Temperature:-40 to 85℃
Ambient Relative Humidity: 10 to 95%(Non-condensing)
* Ordering Information
| 
 Product Model  | 
 Connectors  | 
||||
| 
 (-10℃~60℃)  | 
 (-40℃~75℃)  | 
 10/100/  | 
 10/100  | 
 100BaseFX  | 
|
| 
 MM Fiber, SC  | 
 SM Fiber, SC  | 
||||
| 
 HFB18C-2G Series  | 
|||||
| 
 HFB18C-2G  | 
 HFB18C-2G-W  | 
 2  | 
 16  | 
 
  | 
 
  | 
| 
 HFB18C-2G-2SC  | 
 HFB18C-2G-2SC-W  | 
 2  | 
 14  | 
 2  | 
 
  | 
| 
 HFB18C-2G-2SSC  | 
 HFB18C-2G-2SSC-W  | 
 2  | 
 14  | 
 
  | 
 2  | 
| 
 HFB18C-2G-4SC  | 
 HFB18C-2G-4SC-W  | 
 2  | 
 12  | 
 4  | 
 
  | 
| 
 HFB18C-2G-4SSC  | 
 HFB18C-2G-4SSC-W  | 
 2  | 
 12  | 
 
  | 
 4  | 
| 
 HFB26C-2G Series  | 
|||||
| 
 HFB26C-2G  | 
 HFB26C-2G-W  | 
 2  | 
 24  | 
 
  | 
 
  | 
| 
 HFB26C-2G-2SC  | 
 HFB26C-2G-2SC-W  | 
 2  | 
 22  | 
 2  | 
 
  | 
| 
 HFB26C-2G-2SSC  | 
 HFB26C-2G-2SSC-W  | 
 2  | 
 22  | 
 
  | 
 2  | 
| 
 HFB26C-2G-4SC  | 
 HFB26C-2G-4SC-W  | 
 2  | 
 20  | 
 4  | 
 
  | 
| 
 HFB26C-2G-4SSC  | 
 HFB26C-2G-4SSC-W  | 
 2  | 
 20  | 
 
  | 
 4  |