Safety Status; Cable Approval - DEC 600s Owner's Manual

Table D–3 Clearance and Creepage Distances
Clearance
(Xmm)
2.0
2.6
4.0
4.0
1
where heat, humidity, and temperature may fluctuate.

Safety Status

All interconnection points on this product are either TNV and/or
SELV circuits and should only be connected to products with like
circuits.
•
•
•

Cable Approval

The 54-21813 module is approved for direct connection
Cable
to a particular digital circuit. This approval includes an
Connection to
Digital Circuits interconnecting cable with mating connectors that conform to
the British standard BS6623, parts 1 and 4. If the module
is connected to the service with anything other than its own
approved cables, those cables must benefit from relevant
Creepage
1
(Ymm)
2.4 (3.8)
3.0 (4.8)
5.0 (8.0)
6.4 (10.0)
The distances shown in parentheses apply in an uncontrolled environment
Asynchronous/Synchronous Communication Port - TNV
/SELV
ISDN Port - TNV (Not currently supported)
All other ports - SELV
Special Information for PTT Network Users D–5
Module Isolation
Voltage Used or Generated by Other
Parts of the Host or Expansion Card
(Vrms or Vdc)
Up to 50
Up to 125
Up to 250
Up to 300