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TC2850

Multi-Drop Fiber Multiplexer w/Virtual Channel Mapping

TC2850
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Features

Featuring Virtual Channel Mapping, the TC2850 Serial Data Multi-Drop Fiber Multiplexer enables concurrent applications, cost-saving benefits & reduced polling time.

Notice: Product End of Life
(10/29/2020) for new applications use TC3847-1, or TC3847-1DR

Channel Mapping enables users to configure specific channels from the Master to designated Slave units on a fiber ring network. For example, it provides two independent communications networks within one self-healing ring topology, enables cost savings through flexible channel configurations and supports faster polling rates.

  • Virtual Channel Mapping (VCM) Enables Concurrent Applications, Cost-Saving Benefits & Reduces Polling Time
  • Sophisticated Self-Healing Ring
  • All Digital Design
  • Hardened Temperature version exceeds NEMA & CALTRANS specs
  • Protocol Transparent
  • RS-232, RS-422, RS-485 (2/4-wire)
  • Data rates up to 120 Kbps
  • Multimode (1300nm) or Single Mode (1300/1550nm)
  • Built-In Power Redundancy
  • Optical Loop Integrity Test
  • Local Dry Contact Alarm Relay
  • Rackmount or Standalone

Applications

Notice: Product End of Life
(10/29/2020) for new applications use TC3847-1, or TC3847-1DR

Because the TC2850 effectively enables two independent communications networks in one self-healing ring topology, it can be used to run multiple applications concurrently. For example, it enables virtual pointto- point configurations, such as a dedicated telephone circuit, within a Self-Healing Ring network (See diagram on back page).

It is also used in larger networks, with multiple port SCADA Host Controllers, to speed up polling times. Typical application environments include SCADA, Traffic Control, Process Control, Security, Oil & Gas, and Energy Management.

TC2850 - Self-Healing Multi-Drop Fiber Optic Multiplexer (w/VCM)
Click to enlarge

Specifications

Notice: Product End of Life
(10/29/2020) for new applications use TC3847-1, or TC3847-1DR
Data Rates
  1. Async RS-232, RS-422, RS-485up to 120 Kbps*
Optical
  1. TransmitterLED/ELED/LASER*
  2. ReceiverPIN Diode
  3. Wavelength1300nm MM, 1300/1550nm SM
  4. Fiber Optic ConnectorsST, Optional FC
  5. Loss Budget * - 1300/1550nm
  6. Multimode @62.5/125µm15dB
  7. Single Mode @9/125µm20dB
Electrical
  1. Phone ConnectorRJ11 Female
  2. InterfaceRS-232, RS-422, or RS-485 (2 or 4-wire)
Diagnostic Functions
  1. Local & Remote Loopback, Signal Generator, Disable Alarm,Yes
  2. Enable Anti-Streaming (TC2851)Yes
Power
  1. Standard12VDC @ 500mA
  2. Optional24VDC or 115/230VAC with Power Cube
System
  1. Bit Error Rate1 in 109 or Better
Alarm
  1. Dry ContactNormal OPEN
Visual Indicators
  1. System PWR A, PWR B, VccA, VccB
  2. Electrical SignalBRD & RSP (for each channel), AST (TC2851 only)
  3. Optic SignalRxA, TxB, RxB, SYNCA, SYNCB, A2B (TC2851 only), B2A (TC2851 only), LPA, LPB
  4. AlarmPWRA, PWRB, OPTIC, AST (TC2851 only)
Temperature
  1. Operating-10°C to 50°C
  2. Hi-Temp1 (optional)-20°C to 70°C
  3. Hi-Temp2 (optional)-20°C to 80°C
  4. Storage-40°C to 90°C
  5. Humidity95% non-condensing
Physical (Rackmount Unit)
  1. Height(6.71 cm) 2.64"
  2. Width(18.13 cm) 7.14"
  3. Depth(24.89 cm) 9.80"
  4. Weight(1.20 kg) 2.66 lbs
* Contact factory for higher requirements

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