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Model TC1910 Telephone to 10Base-T Ethernet Extender                                 Front/Phone                                Rear         Features  Product or Application Questions (click here) Extends Telephone Link via 10 Base-T Ethernet Connection Connects to Hubs, Routers, Bridges, Transceivers, etc. Automatic Power-Up, Recovery Connection Web-Based Configuration Interface PBX & Key System (POTS) Compatible Voice Bandwidth from 300Hz to 3.4Khz for Toll Quality Sound FXO/FXS Selectable 18 LEDs for Diagnostics & Status Monitoring Built-in Dry Contact Relay for External Alarm and Ringer Connection 12VDC, Optional 24VDC or 115/230VAC with Power Adapter Description The TC1910 Ethernet Telephone Extender enables telephone service over a LAN via 10Base-T Ethernet connections. 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 compatible with PBX and Key Systems (POTS). LAN connections can be made by most types of Ethernet devices, including switches, hubs, routers, bridges, transceivers, etc. A Web-based Configuration user interface (most browsers including Microsoft Windows Explorer, etc.) is provided to view network settings or change IP addresses from the factory default. Phone connection is automatic upon power-up or when network interruption is restored. Depending on network traffic, multiple pairs of TC1910s can be used to set up individual point-to-point telephone links. An extreme temperature version (-20°C to +70°C), Model TC1910-T, is available for harsh environments. The TC1910 provides Toll Quality sound within voice bandwidths from 300Hz to 3.4 Khz. Two types of voice applications are supported: one, connecting to a PBX for outside telephone service; two, setting up a “hot link” point-to-point connection, e.g. between two work stations, within a LAN. Two-wire FXS (foreign exchange subscriber) is provided on the telephone side with ring down capability and FXO (foreign exchange office) on the PBX side. Eighteen LEDs for network status, phone status, power and volume are provided to enhance status monitoring and diagnostics. Dry contacts for external alarm and ringer are standard. The TC1910 is available in standalone (TC1910S) or rackmount (TC1910R) versions. Power is standard 12VDC with optional 24VDC or 115/230VAC with an external power cube. Power redundancy is standard. 10Base-T connectors are RJ-45 Female and Phone connectors are RJ11 Female. TC1910 Specifications     Audio Bandwidth 300Hz to 3.4Khz Electrical Phone Connector RJ11 Female (2-wire used) Ring Voltage † 80Vrms at 20Hz FXO Input Impedance † 600 Ω FXS Output Imped. † 600 Ω Ethernet (10Base-T) RJ45 Female Baud Rate 10Mbps Visual Indicators System Status Alarm, PWR A, PWR B, VccA, VccB Telephone Signal Status Tx and Rx volume, Off-hook, FXO, FXS, Ring, Hot Link Ethernet Signal Status Sync, Link Status, Activity, DHCP, Master/Slave Alarm/Ring Dry Contact Normal OPEN Power Standard 12VDC @ 600mA Optional 24VDC or 115/230VAC (with external power cube) Temperature Operating 0° to 50°C High Temp. (Optional) -20° to 70°C Storage -40° to 90°C Humidity 95% non-condensing Physical (Standalone/Wall Mount Unit) Height (3.53 cm) 1.4" Width (18.14 cm) 7.1" Depth (24.89 cm) 9.8" Weight (835 gm) 1.85 lbs † For US/Canada.  Value varies depending on country. Typical Application (Application Questions) 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. Typical applications follow:

Ethernet, Scada, ITS, Security, Teleconferencing ,Token Ring, ATM.