Extron Electronics MPA 152 User Guide - Manual (Page 20)

Rack Mounting
UL Guidelines for Rack Mounting
The following Underwriters Laboratories (UL) guidelines are relevant to the safe installation of
this product in a rack:
1. Elevated operating ambient temperature — If the unit is installed in a closed or
multi-unit rack assembly, the operating ambient temperature of the rack environment
may be greater than room ambient temperature. Therefore, install the equipment in
an environment compatible with the maximum ambient temperature (TMA: +122 °F,
+50 °C) specified by Extron.
2. Reduced air flow — Install the equipment in the rack so that the equipment gets
adequate air flow for safe operation.
3. Mechanical loading — Mount the equipment in the rack so that uneven mechanical
loading does not create a hazardous condition.
4. Circuit overloading — Connect the equipment to the supply circuit and consider the
effect that circuit overloading might have on overcurrent protection and supply wiring.
Appropriate consideration of the equipment nameplate ratings should be used when
addressing this concern.
5. Reliable earthing (grounding) — Maintain reliable grounding of rack-mounted
equipment. Pay particular attention to supply connections other than direct connections
to the branch circuit (such as the use of power strips).
Rack Mounting Procedure
The unit can be mounted on any of these optional Extron rack systems:
• RSF 123 — 3.5 inch deep, 1U universal rack shelf kit (part number 60-190-20)
• RSB 123 — 3.5 inch deep, 1U basic rack shelf (part number 60-604-21)
• RSU 126 — 6 inch deep, 1U universal rack shelf kit (part number 60-190-10)
• RSB 126 — 6 inch deep, 1U basic rack shelf (part number 60-604-11)
• RSU 129 — 9.5 inch deep, 1U universal rack shelf kit (part number 60-190-01)
• RSB 129 — 9.5 inch deep, 1U basic rack shelf (part number 60-604-02)
To mount the amplifier on a rack shelf, follow the instructions provided with the shelf
accessories.
MPA 152 • Reference Material 14