Nortel ICS Install Manual page 41

• ASM8+: The Nortel Networks ASM8+ I/O ports are
designated as OPX. This product does
Telecommunications Ringing Voltages and can be configured
to provide Voltage Message Waiting Indicator (VMWI).
Installation of this device and all connections to this device must
be performed by Qualified Installation Personnel who are aware
of the hazards associated with telecommunications wiring and
are aware of the local regulations for treatment of
telecommunications wiring for OPX deployment.
The following interfaces are classified as Safety Extra Low
Voltage (SELV) circuits, and shall not be connected to
exposed plant:
• BRIM Interface
• TCM extensions
• external music sources (MSCX)
• auxiliary ringer (AUX)
• paging system relay (PAGE)
• serial port
• LAN interface
The following interfaces are classified as Telecommunication
Network Voltage (TNV) circuits, and shall NOT be connected
to exposed plant:
• ATA II
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Safety / 41
provide
Modular ICS 7.1 Installer Guide