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Telephone/Analog-over-Ethernet Extender (10BaseT)

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The TC1910 Ethernet Telephone/Analog Extender provides toll quality telephone service over LANs. Compatible with POTS Key Systems and PBXs, it has a built-in Codec that digitizes voice and converts to packets for transmission between local and remote TC1910s with designated IP addresses.

It is used in a variety of Ethernet network applications including point-to-point "hot links" or connecting to a PBX for outside telephone service. Phone connection is automatic upon power-up or when network interruption is restored. LAN connections can be made by most Full Duplex Ethernet devices, including switches, routers, bridges, transceivers, etc.

  • Extends Telephone/Analog Link via 10 Base-T Ethernet Connection
  • Web-Based Configuration Interface
  • PBX & Key System (POTS) Compatible
  • Voice Bandwidth from 300Hz to 3.4KHz for Toll Quality Sound
  • 18 LEDs for Diagnostics & Status Monitoring
  • Built-in Dry Contact Relay for External Alarm and Ringer Connection
  • 12VDC, Optional 24VDC, -48VDC, 125VDC, or 115/230VAC with Power Adapter
  • Hardened Temperature Version (optional)


The TC1910 is intended to provide flexible point-to-point telephone service via Ethernet Networks. It is often used by maintenance or service personnel in Campus, Traffic Control, or Utility Substation Networks.
TC1910 - Ethernet Telephone Extender
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Audio Bandwidth
  1. Bandwidth300Hz to 3.4Khz
  1. Phone ConnectorRJ11 Female
  2. Ring Voltage55Vrms at 25Hz (Depending on the ringing load)
  3. FXO Impedance600 Ohm
  4. FXS Impedance600 Ohm
  5. Ethernet (10Base-T)RJ45 Female
  6. Rate10Mbps
Visual Indicators
  1. Off Hook, Ring, Master/Slave, Hot Link, Link Status, Tx and Rx Volume, DHCP, off-hook, FXO, FXS, Alarm, Link, Sync, Activity, VccA, VccB, PWR A, PWR
Alarm / Ring
  1. Dry ContactNormal OPEN
  1. Standard12VDC @500mA
  2. Optional24VDC, -48VDC, 125VDC, or 115/230VAC with power cube
  1. Operating-10°C to 50°C
  2. Hi-Temp(optional)-20°C to 70°C
  3. Storage-40°C to 90°C
  4. Humidity95% non-condensing
Physical (Standalone Unit)
  1. Height(3.53 cm) 1.39"
  2. Width(18.13 cm) 7.14"
  3. Depth(24.89 cm) 9.80"
  4. Weight(907 gm) 2.0 lbs


For more information

Product version may differ from current manual. For assistance or proper manual version please contact Technical Support.