Nortel Networks Passport ARN Routers - Manual (Page 156)

Installing and Operating Passport ARN Routers
D-14 114200-E Rev 00
Figure D-7. Clearance and Creepage Distances for ISDN BRI and Serial
Adapter Modules
Table D-15. Clearance and Creepage Distances for ISDN BRI and Serial
Adapter Modules
Clearance (X) Creepage (Y)
Voltage used or generated by other parts
of the host or expansion card
2.0 mm 2.4 (3.8) mm Up to 50 V RMS or V DC
2.6 mm 3.0 (4.8) mm Up to 125 V RMS or V DC
4.0 mm 5.0 (8.0) mm Up to 250 V RMS or V DC
4.0 mm 6.4 (10.0) mm Up to 300 V RMS or V DC
SELV cards
Typical
host
chassis
Baseboard
ISDN Module
AN0060A
X Y
X Y