Data Communication Trainer Model TCM 007

* Communication Protocol
– Two 9 pin D-type RS-232 ports for Serial Communication
– Two 25 pin D-type LPT ports for Parallel Communication
– ASCII code identification are provided on led indicators
* Fiber Optic Communication
– Transmission using Fiber optic LED’s having peak wave length of 660nm
– Reception using Fiber optic photo detector
– Core is Step indexed multimode PMMA plastic cable
– Operating Baud rate is 115200 bps
– Length of Fiber is one meter.
* Wireless Communication
– 920 nm IR LED for Infrared Transmission
– Infrared Receiver using Photo detector with TTL logic output
– Operating Baud rate is 2400 bps
– 38 KHz demodulation Carrier Frequency


Item Description

* Modem Communication
– FSK Modulation technique :
– 300 KHz Mark Frequency Modulation
– 200 KHz Space Frequency Modulation
– Demodulation using PLL Detector
– 300 KHz Mark Frequency Demodulation

– 200 KHz Space Frequency Demodulation
– Operating Baud rate is 19200 bps
– Serial-RJ 11 Connector Interface type
– Two RJ 11Connector

Technical Specifications

* Interconnections
– All interconnections are made using 2mm banana Patch cords.
– Test points are provided to analyze signals at various points.
– All ICS are mounted on IC Sockets.
– Bare board Tested Glass Epoxy SMOBC PCB is used.
– In-Built Power Supply of +5V/1.5A, ±12V/250mA with Power ON indication
– Attractive Wooden enclosures of Light weight Australian Pine Wood.
– Set of 2mm Patch cords for interconnections
– User’s Manual with sample experimental programs