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EISBM 24 port Copper plus Fiber (multimode) SC connectorsEISC 12 port Copper plus Fiber (multimode) SC connectors
EISBM 24 port Copper plus Fiber (multimode) ST connectors
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EISBM 24 port Copper plus Fiber (multimode) ST connectors

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All switching hubs from Contemporary Controls offer these features:

  • Operate from 8–24 VAC or 10–36 VDC power
  • Auto-negotiate data rate, duplex and flow control
  • Run at 10 Mbps or 100 Mbps data rates
  • Front-panel diagnostic LEDs
  • IP30 ingress protection
  • CE Mark — 93/68/EEC
  • UL 508 Listed
  • CFR 47, Part 15 Compliant
  • C-UL Listed CSA C22.2 No. 14-M91
  • 10–95%, non-condensing relative humidity

Product Features:

  • Extended operating temperature range –40°C to +75°C
  • IGMP Snooping & Query Functionality
  • RapidRing® Redundant Ring Technology (recovery in less than 300 ms)
  • Virtual LAN support (Port VLAN and 802.1Q)
  • Quality of Service (QoS) support (802.1p, DiffServ, TOS, Port-based, MAC-based)
  • Port Mirroring
  • Rate Limiting (broadcast storm control)
  • Configurable via a web browser or terminal emulation
  • Consistent panel space regardless of port count
  • Trunking for high-speed backbone and redundancy (less than 10 ms recovery)
  • Port Security
  • Programmable fault relay
  • Managed via the SNMP Protocol
  • Field upgradable firmware
  • Auto-crossover (Auto-MDIX) on twisted-pair ports
  • 10BASE-T/100BASE-TX/ 100BASE-FX compliant 
  • Choice of auto-negotiated or static data rate, duplex and flow control
  • Wide-range, low-voltage AC or DC powered
  • Provision for redundant power connections
  • LEDs for link/activity, data rate, power and status
  • Easy panel or DIN-rail installation
  • Industrial environment EMC compatible
  • CE Mark
  • UL 508 Listed
  • C-UL Listed, C22.2 CAN/CSA NO.142-M1987

Product Overview:

The EISB_M B-Line Series of compact managed switching hubs provide management functionality in situations where an extended temperature range of –40° to +75°C are expected — enabling them to perform successfully in outdoor applications.

Within a constant form factor (panel space consumed) requiring only 1.75" of DIN-rail, these switches can support 8, 16 or 24 ports with copper and fiber/copper combinations in a rugged aluminum enclosure.

 Equipped with the conventional features standard in Plug and Play switches, the EISB_M B-Line Series is also designed with management features including RapidRing®, VLAN, trunking,  (QoS) (Quality of Service), and SNMP (Simple Network Management Protocol).

The switch learns port assignments by reading Ethernet frames and logs source addresses into a table which can hold more than 4,000 addresses in the 8-port unit, over 8,000 in the 16-port unit and more than 12,000 in the 24-port unit. With this information, it improves throughput by restricting traffic to only those ports party to a data exchange — while other data is simultaneously exchanged on other ports. Store-and-forward operation of frames is implemented using 256 kB of built-in memory in the 8-port unit, 512 kB of built-in memory in the 16-port unit and 768 kB of built-in memory in the 24-port unit.

Only standard straight-through cables are needed to connect the copper ports to stations or another hub since the copper ports are Auto-MDIX compliant — meaning any port can function as an uplink port to another switch or end-station. In addition to one power LED, each port has an LED showing link/activity/data rate by color: green for 100 Mbps, yellow for 10 Mbps. Flashing indicates port activity.

The EISB is shipped with a DIN-rail clip installed. If direct mounting to a sub-panel is desired, the DIN-rail clip can be removed and the attached mounting ears extended to provide panel mounting.

 The unit can be powered from either wide-range, low-powered AC or DC power sources. Redundant power connections are provided to accommodate back-up schemes.

Technicial Specifications:

Ports Copper twiested-pair
Fibre 1300nm
Number of ports
6, 8, 14, 16, 22 or 24
0 or 2
Interface 10BASE-T/100BASE-TX
 10/100Mbps 100Mbps 
 Auto-negotiate or manually set duplex, data rate and flow control Full-duplex
Connectors Shielded RJ-45
SC (on multimode or single-mode  mode)
  ST (only on multimode models) 
Segment lengths 100m
2km (multimode), optical budget 13dB
  15km (single-mode) optical budget 19dB