Altigen AltiWare OE/ACC Version 5.0A Administration Manual page 21

UL Regulatory Safety Requirements
(Requisitos Reglamentarios de Seguridad de La Asociación de
Aseguradores (UL)/Sicherheitserfordernisse gemäß UL
(Underwriter's Laboratories, Inc.))
Host Computer
1. Model AltiGen/AltiServ 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 installed.
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 EN60950 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.
B1
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 installed 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 generate 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)
2.0
2.6
4.0
4.0
AltiWare OE System Installation & Administration Manual
ISA bus
B10
Creepage (mm)
2.4 (3.8)
3.0 (4.8)
5.0A (8.0)
6.4 (10.0)
ISA bus
B31
Voltage used or generated by
host or other cards
Up to 50 Vrms or Vdc
Up to 125 Vrms or Vdc
Up to 250 Vrms or Vdc
Up to 300 Vrms or Vdc
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