American Tech Supply carries a complete line of fiber optic modems from several different manufacturers. These fiber optic modems are designed for Ethernet, T1/E1, T3/E3 & Audio for campus & intra-building fiber optic networks. Our other fiber transmission products include Fiber Optic Modems & Multiplexers; Fiber Optic Data/Telephone Multiplexers; Fiber Ethernet Switches, Transceivers & Media Converters and Ethernet/Fiber/RS-232 Telephone Extenders. Specialty products include Industrial-Hardened Ethernet and Multi-Drop Fiber Modems & Multiplexers for SCADA, Traffic Control, Security & Process Control applications. Fiber Optic Modems and industrial modems (from Motorola and Telenetics) are often used to link various process control systems in manufacturing plants, refineries, etc. It is also used to connect Remote Terminal Units to SCADA hosts or controllers in Utility environments.

RS-422, RS-485 Fiber Optic Modem
(Model TC1520)

Async Data Rates Up to 500 Kbps
RS-422, 2 or 4-wire RS-485
Detachable Terminal Block Connectors
Distances up to 20km
Multimode or Single Mode (850/1300/1550nm)
Six Diagnostic LEDs
Sturdy Compact Metal Case
Regular and Wallmount Base
High Temperature (-20°C to 70°C) Version Optional

The TC1520 work well in harsh environments because of their fiber optic benefits. This results in a simple and low cost solution to electrical/radio frequency interference and ground loop problems. Data security is also assured because fiber optic cable is virtually impossible to tap without detection.

RS-485 Async/Sync Fiber Optic Modems
(Model TC1530)

The TC1530 RS-485 Async/Sync Fiber Optic Modem are often used to link various process control systems in manufacturing plants, refineries, etc. It is also used to connect Remote Terminal Units to SCADA hosts or controllers in Utility environments.

The TC1530 work well in harsh environments because of their fiber optic benefits. This results in a simple and low cost solution to electrical/radio frequency interference and ground loop problems. Data security is also assured because fiber optic cable is virtually impossible to tap without detection.

Multi-Interface (RS-232/422/485) Fiber Optic Modem
(Model TC1540)

The TC1540 typically interconnects CPUs or Host Controllers with remote terminal units (RTUs). It is frequently used in SCADA, Traffic Control, Manufacturing Process Control and Security applications

*Async Data Rates Up to 500 Kbps
2 Ch. Async (2-wire RS-485),
1 Ch. Sync (2-wire RS-485), or
1 Ch. Async (4-wire RS-485)
Distances up to 30km
Multimode or Single Mode (850/1300/1500nm)
Six Diagnostic LEDs
Sturdy Compact Metal Case

T1/E1 Fiber Optic Modems
(Model TC1630) Prices Start at $742.00 ea.

Applications
The TC1630 Fiber Optic T1/E1 Modem is typically used to link Channel Banks, PBXs, and M13 multiplexers to DSX-1 Cross Connects in Video Conferencing and Distance Learning applications. It is also used to link Customer Premises Equipment to CSU/DSUs and with metallic medium T1/E1 multiplexers to transmit over fiber optic cable.

Distances up to 40 km
Local/Remote Loopback
Supports AMI/B8ZS/HDB3 Line Codes
Eight LED Indicators
No Jitter
Multimode or Single Mode (850/1300/1550)
Low Power Consumption (3 Watts)
Full Digital Technology Design
12/24/-48VDC, or 115/230VAC Power
High Temperature (-20°C to 70°C) Version Optional

T3/E3 Fiber Optic Modems
(Model TC1680)

The TC1680 is ideal for most T3/E3 connectivity applications up to distances of 100km. Typical applications include replacing coaxial cable with fiber, extending the point of presence from Telco demarcation points and ATM nodes, transmitting digitized video or linking T3/E3 multiplexers.

Conforms to Applicable Standards (ANSI T1.102-1993,TR-TSY-000499, CCITT G.703)
Distances up to 100km
Coaxial Connection up to 450 feet
Built-In Self Test & Link Test
16 LEDs/4 DIP Switches for Diagnostics
Multimode and Single Mode (1300/1500nm)
Power Redundancy (standard)
Optical Redundancy (optional)
Low Power Consumption
Local Dry Contact Alarm Relay
Rackmount or Standalone
High Temperature (-20°C to 70°C) Version Optional

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