101MN024-010
TPRN
4.1. TPRNx4 Subrack
Major TPRN features
The TPRNx4 is a 19”subrack where all the ION-B plug-in modules can be inserted. ION-B
equipment provides a wide variety of these sub-rack models differentiated according to
power supply. Each one is provided with:
• 12 free slots, each with Height=4HE, Width=7TE
• Power supply 220 Vac or -48 Vdc
• Locally or remotely connectable through:
a. RS232 serial port
b. RS485 two-wire bus
c. sub-D 15 pin male-connector
• Internal microcontroller for I2CBUS alarm collection
• Manual reset button, able to re-initialize both the inserted modules and the TPRN
microcontroller
• Manual stand-by button, able to re-initialize the inserted modules, while keeping the TPRN
microcontroller working.
TPRN models
All of the available TPRN sub-racks are described briefl y on the following pages:
Figure 4.1.1 : TPRN subrack
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