TR550 Modem Time Recorder with Built-in Modem

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Products on this page may have
previously been offered by
Zygo Systems Limited

Modem Time Recorder (TR550) is designed for facility attendance logging, employee time record tracking and job management and other applications.
It has a built-in modem, allowing it to be installed at the branch office and managed from the faraway headquarters via the telephone line. The TR550 uses RFID cards or magnetic cards or barcode cards as the identification storage medium for each authorized user seeking access to the facility.


Available with or without Built-in modem.

Use's VFD(Vacuum Fluorescent Display) for clock display, giving a wide viewing angle, long life and high display quality

Provides both RS-232 interface and RS-485 interface with two serial port connectors for daisy-chain connection of multi-unit application up to 255 units

Contains 512K bytes memory buffer, storing up to twenty thousands records with 10 digit ID-code.

Display can show some messages, such as Machine Address number, Baud Rate and Memory Buffer Status.

Event can be controlled by the preset event time table or by the manual event function keys

Allows up to 32 preset time table to activate external alarm ring

May be connected to serial printer directly.

Wall-mount or desk top use

Uses non-volatile memory, allowing memory to be held even during power failure


Time & Attendance Management

Flexible Working Hour Management

Security and Watchman Control


Magnetic Card: ISO Track 2, 75BPI

TR550B, TR550F
Barcode Code: Code 39, numerical

RFID Proximity Card: 125KHz, ASK, 64Bits, Manchester coding

RS-232 interface / RS-485 interface
Memory Size for Storing Data: 512K bytes

Real Time Clock(RTC) module with built-in 10-year battery
Modem: 2400 bps Modem, CCITT V.22bis, V.22, Bell212, Bell 103
Display: Vfd, 4 digits
Power Supply: DC 12V, 500mA
Dimensions: 192(W)x120(H)x52(D)mm
Mounting: Wall-mounting or Desk-top
Operating Temp: 0~55 Deg. C
Storage Temp: -10~65 Deg. C
Humidity: 10~90% relative

No Modem
TR550B -- Barcode card, red LED
TR550F -- Barcode card, infrared
TR550M -- Magnetic card
TR550R -- RFID Proximity card

Built in Modem
TR550BM -- Barcode card, red LED
TR550FM -- Barcode card, infrared
TR550MM -- Magnetic card
TR550RM -- RFID Proximity card

Product Currency 1+ 5+ 25+
TR550R £ (Pounds) 384.75 337.70 290.65
TR550RM £ (Pounds) 428.00 392.35 356.70
TR550B £ (Pounds) 374.75 327.70 280.65
TR550BM £ (Pounds) 418.00 382.35 346.70
TR550F £ (Pounds) 384.75 337.70 290.65
TR550FM £ (Pounds) 428.00 392.35 356.70

Call for other prices

Cheapest RFID tags in the World ( 125khz )
Product Currency 1+ 10+ 100+ 500+ 1,000+ 5,000+
KeyFob £ (Pounds) 2.45 1.55 0.95 0.62 0.51 0.41
Disc £ (Pounds) 2.45 1.55 0.95 0.62 0.51 0.41