3 | Installing the TX 4000 board |
System requirements
To install and use the TX 4000 board, your system must have the following components:
•An available PCI bus slot.
•At least 8 MB of memory (excluding operating system requirements).
•NaturalAccess software development environment.
•NaturalAccess Signaling Software.
•A chassis with 3.3 V of supplied power to provide a minimum of 6.5 A per TX 4000 board.
•An uninterruptible power supply (UPS). Although a UPS is not strictly required, it is strongly recommended for increased system reliability.
•An H.100 bus connector cable if you are connecting to other H.100 boards.
•Cables to connect the board interfaces to T1 or E1 lines.
•A crossover Ethernet cable if you are connecting two TX 4000 boards for redundancy support.
•Straight through Ethernet cables if you are connecting to an Ethernet hub or switch in a SIGTRAN network.
Warning: Important safety notes for telephony connections:
•Allow only qualified technical personnel to install this board and the associated telephone wiring.
•Make sure the PC chassis is grounded through the power cord or by other means before connecting the telephone line.
•If your system requires an external power supply, make sure it is grounded through the power cord or by other means.
•Never install telephone wiring during a lightning storm.
•Never install telephone jacks in wet locations.
•Telephone companies provide primary lightning protection for their telephone lines. If your site connects to private lines that leave the building, make sure that external protection is provided.
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