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UL Regulatory Safety Requirements

16 Telephony Hardware Manual

Host Computer

1. Model AltiGen/MAX Communication Server apparatus is approved for connection to

Telecommunications Systems specified in these instructions for use subject to the

conditions set out in them. Any other usage will INVALIDATE this approval.

2. The host machine shall be “CE” marked, with the

internal ISA and PCI slots operating

at SELV in accordance with EN60950, 1992, issue 2, +A4.

3. This apparatus MUST be professionally installe

4. The host machine MUST be hardwired earthed in accordance with EN60950, 1992,

issue 2, +A4,

1997, cl. 6.2.1.2 with an earth wire from the host machine earthing

terminal to the building earth.

5. The host machine SELV circuit is connected to the protective earthing terminal in

accordance with EN609

50 cl. 2.5.

6. The host machine ISA bus pins B1, B10,

or B31 (edge connectors on CPU mother-

board/backplane) MUST be less than 0.1 Ohms to host machine earthing terminal.

ISA bus ISA bus

B1 B10 B31

7. AltiGen complies with PCI Board specifications Rev. 2.1 (5V 32-bit).

8. The power required by the host machine and the total of all adapter cards installe

within the host environment, together with any ancillary apparatus, shall not exceed

the power specification of the host machine.

9. It is essential that, when other option cards are introduced that use or g

enerate a

hazardous voltage, the minimum creepages and clearances specified in the following

table are maintained. A hazardous voltage is one that exceeds 42.4V peak AC or 60V

DC. If you have any doubt, seek advice from a competent engineer before installing

other adapters into the host machine.

Clearance (mm) Creepage (mm)

Voltage used or

generated by host

or other cards

2.0 2.4 (3.8) Up to 50 Vrms or Vdc

2.6 3.0 (4.8) Up to 125 Vrms or Vdc

4.0 5.0A (8.0) Up to 250 Vrms or Vdc

4.0 6.4 (10.0) Up to 300 Vrms or Vdc

For a host or other expansion card fitted in the host, using or generating voltages

greater than 300V (rms or dc), advice from a competent safety engineer must be

obtained before installation of the relevant equipment.

Any other usage will INVALI

DATE the approval of the apparatus, if as a result, it

then ceases to conform to the standards against which approval was granted.

10. For the following AltiServ platforms — AltiSe

rv1A-IP, AltiServ1E-IP, and Alti-Office

1B — make sure the input voltage selection switch (115/230V) is on the back of the

chassis and is set to the proper voltage for your installation.

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