DEC 3000 800, Owner'S Manual

Page: 271 / 318

Module Isolation
Table E–3 Clearance and Creepage Distances
Clearance
(Xmm)
Creepage
(Ymm
1
)
Voltage Used or Generated by Other
Parts of the Host or Expansion Card
(Vrms or Vdc)
2.0 2.4 (3.8) Up to 50
2.6 3.0 (4.8) Up to 125
4.0 5.0 (8.0) Up to 250
4.0 6.4 (10.0) Up to 300
1
The distances shown in parentheses apply in an uncontrolled environment
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.
• Asynchronous/Synchronous Communication Port - TNV
/SELV
• ISDN Port - TNV (Not currently supported)
• All other ports - SELV
Special Information for PTT Network Users E–5