
Installing Sync/ISDN BRI Net Modules in ASN Platforms
B-4 115370-A Rev. A
You should obtain advice from a competent telecommunications safety engineer if
in doubt.
Failure to install the net module according to these instructions will invalidate the
Approval.
Dual Sync/ISDN BRI Net Module Safety Status
Table B-3 lists the safety status of interconnection points to the connection of
other equipment.
Table B-3. Dual Sync/ISDN BRI Safety Status
Port Location Port Description Type of Circuit
COM1 V.28, X.21, V.35 Telecommunications network voltage(TNV)
COM2 V.28, X.21, V.35 TNV
P1 Host Port Safety extra-low voltage (SELV)
P2 Host Port SELV
ISDN BRI ISDN TNV
P6 Host Port SELV
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