TC1720 RS-422/RS-449 "High Speed" Sync/Async Fiber Modem - Fiber Optic Modems, Multiplexers, Multidrop (SCADA) Modem, RS-232, RS-422, RS-485,V.35, T1/E1, T3/E3, Intercom/Voice

Features

Application

Description

Technical
Specifications

Size and
Dimensions

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Async Data Rates up to 10Mbps
Sync data rates up to 5Mbps
Distances Up to 80km*
Multimode (1300nm) or Single Mode (1300/1550nm)
Built-In Test Signal Generator
Local & Remote Loopback
Built-In Power Redundancy
Local Dry Contact Alarm Relay
Standalone, Wall Mount, or Rackmount
Temperature Hardened (-20°C to 70°C & -40° to 80°C) Versions Optional
Optical Redundancy (optional)
Profibus Compatible

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Data Sheets: 2 pages (55 Kb)

TC1720S Standalone Unit

2 X TC1720R Rackmount Cards
(Housed in TCRM196 19" Rackmount Card Cage)

(Click on images to enlarge)

Applications

The TC1720 High Speed Fiber Optic Modem is intended for applications requiring high data rates and handshaking.

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Description

The TC1720 is the ultimate "configure-it-as-you-need-it" fiber optic modem. Ideal for applications requiring high data rates, it supports asynchronous data rates up to 10Mbps and synchronous rates up to 5Mbps. TC1720 is Profibus compatible with speeds up to 10Mbps async.

It supports the RS-449 DB37 electrical connector. Electrical interfaces are modular and can be easily changed before or after installation.

Distances up to 80km* are possible depending on various factors including electrical interface, optical transmitter, number of fiber optic connectors and fiber type and quality. Power redundancy is standard. Optical redundancy is optional.

Diagnostics are extensive and include a built-in Test Signal Generator, local & remote loopback tests and LEDs for Power, Alarm, Tx, Rx and all applicable control signals. The Test Signal Generator verifies both device and fiber optic link operation.

Available for multimode (1300nm) or single mode (1300/1550nm), the TC1720 is compatible with all popular sizes and types of fiber optic cable. Fiber optic connectors are ST, SC or FC. Electrical connectors are DB37 female. Power options are 12VDC (standard), 24VDC, -48VDC, 125VDC or 115/230VAC with an external power cube.

The TC1720 is available in two versions: TC1720R Rackmount Card for installation in a 19" rack assembly (TCRM192 or TCRM196) or TC1720S Standalone version. Standalone or rackmount versions can be mixed or matched on either end. There are two optional versions (Model TC1720T) for extreme temperature applications (-20° to 70°C & -40° to 80°C).

*Contact factory for higher requirements (Laser version).

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Technical Specifications

Data Rates
RS-422/RS-449 (Sync)	up to 5Mbps
RS-422/RS-449 (Async)	up to 10Mbps
Optical
Transmitter	LED/LASER* with AGC
Receiver	PIN Diode
Wavelength	1300nm Multimode 1300nm, 1550nm Single Mode
Fiber Optic Connectors	ST or FC
Loss Budget* (1300nm, 1550nm)	Multimode (62.5/125µm): 15dB Single Mode (9/125µm): 20dB
Electrical
Connector	DB37 Male
Interface	RS-449
System
Bit Error Rate	1 in 10⁹ or better
Alarm
Dry Contact	Normal Open
* Contact factory for higher requirements

Visual Indicators
System Status	PWR A, PWR B, Vcc, ALARM
Electrical Signal Status	TxD, RxD, DTE, "data & timing LEDs"
Optical Signal Status	Rx-A, Rx-B
Diagnostic Function
Local & Remote Loopback Test
Power
Standard	12VDC @ 300mA
Optional	24VDC, -48VDC, 125VDC, or 115/230VAC (with external power cube)
Temperature
Operating	-10° to 50°C
Hi-Temp1 (optional)	-20° to 70°C
Hi-Temp2 (optional)	-40° to 80°C
Storage	-40° to 90°C
Humidity	95% non-condensing
Physical (Standalone Unit) (Details)
Height	(3.53 cm) 1.39"
Width	(18.13 cm) 7.14"
Depth	(16.59 cm) 6.53"
Weight	(192 gm) 5.44 oz

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