BABT Host-Independent Approvals
Clearance
Table B–3 lists the clearance and creepage distances that
must be maintained between the DSW21 Synchronous
Communications Adapter and other parts of the host, including
other expansion cards. Also listed are creepage distances,
which apply when you install the DSW21 in a controlled
environment.
Table B–3 Clearance and Creepage Distances
Clearance
X mm
Creepage
Y mm
Voltage Used or Generated by Other
Parts of the Host or Expansion Card
Vrms or Vdc
2.0
2.4 (3.8)
1
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.
B–6 DSW21 Synchronous Communications Adapter Installation Information for the United Kingdom