DISCRIPTION: EPABX Trainer is a single board EPABX TRAINING Kit configured around the most popular microcontroller 89C51. EPABX Trainer can be used to train the engineers about the architecture of EPABX. This EPABX Trainer has the provision to use 1, 2 or 3 trunk lines & 4, 6 or 8 extension lines respectively. Locking & other facilities are provided in EPABX Trainer same as normal Epabx. EPABX Trainer can perform functions such as use the password to protect the call extension to extension call, hold, call transfer, call pickup, call parking, call forwarding, redial, call control, conference, do not disturb etc.

Specifications

Based on 89c51 CPU 

• Provision for up to 1 trunk line & 3 extension lines

• IBM PC compatible keyboard for using command

• 20 x 2 LCD display

• Complete circuitry of EPABX is on board

• Working in 2 Modes

• Trainer model Epabx mode

• Explanation, Observation, Alignment and adjustment of Internal & external controls is possible

• Programmed for different section can be written in RAM

• Programs written by user are executable

• Standard EPABX specification

• 79dbm Cross Talk Attenuator

• Telephone Instruments (Optional)

Experiments Performed on the EPABX Trainer are 

• Redial

• Extension to extension call

• Paging

• To hold a line

• Call consult

• Call parking

• Call forwarding busy

• Talk trunk to extension

• Call pickup

• Call transfer