Approvals For Digital Circuits - DEC Personal DECstation 5000 User Manual

E.3 Approvals for Digital Circuits
The PMBA-AA is approved for direct connection to a particular digital
circuit. This approval includes interconnecting cable with mating connectors
conforming to BS6623 part 1 and part 4.
If the product is connected to the service with anything other than its own
approved cables, then those cables must benefit from the relevant general
approval and/or conform with any other applicable requirements.
Ports J2, J3, J4, J5, J6, J7, J16, J17, J28, J33, J54, J55, J56, J57
(shown in the diagram at the end of this appendix) do not provide
sufficient isolation to satisfy the requirements of the relevant parts of
standard BS6301. Any product connected to these ports must meet one
of the following conditions:
• Be covered by OFTEL's General Approval NS/G/1234/J/100003 (All products
supplied by Digital comply with this General Approval.)
• Have been approved to the relevant parts of standard BS6301
• Have previously been evaluated against the British Telecom (Post Office)
Technical Guide 2 or 26 and given permission to attach
Other usage will invalidate any approval given to this apparatus.
Interconnection directly, or by way of other apparatus, of ports marked by the
safety warning label with other ports that are marked or not so marked, may
produce hazardous conditions on the network. Seek advice from a competent
engineer before making any such connection.
Regulatory Information for the UK
E.3 Approvals for Digital Circuits
Caution
Regulatory Information for the UK E–3