Safety-Related Electrical, Physical, and Environmental Information
Physical specifications
MAX TNT Hardware Installation Guide C-3
USOC jacks and codes
A MAX TNT unit uses the following USOC jacks and codes:
Alarm-relay operating specifications
MAX TNT units are equipped with an alarm relay whose contacts are brought out onto the
back panel’s alarm-relay terminal block. The alarm-relay contacts close during loss of power,
during hardware failure, or whenever the unit is being reset, such as during its power-on self
test (POST). During normal operation, the alarm-relay contacts remain open.
The gauge of the wire you use to connect to the unit’s alarm relay must be based on the current
flow of the circuit that the relay is attached to and the capacity of the alarm relay. Because the
unit’s alarm relay can carry a maximum of 2A, 18–20 AWG wire is adequate.
The alarm relay has the following characteristics:
• 1A at 30Vdc
• 0.3A at 110Vdc
• 0.3A at 125Vac
Physical specifications
A MAX TNT base system (empty with no power supplies) weighs 27.2 pounds (12.34kg). A
fully loaded system with 672 modems (single power supply) weighs 130 pounds (58.97kg).
The unit has the following dimensions: 14 inches x 17.4 inches x 11.5 inches
(35.6cm x 44.2cm x 29.2cm).
Facility Interface Code Service Order Code Jack Type
04DU9-BN 6.0N RJ-48C
04DU9-DN 6.0N RJ-48C
04DU9-1KN 6.0N RJ-48C
04DU9-1SN 6.0N RJ-48C
04DU9-1ZN 6.0N RJ-48C
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