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Chapter 3: Install the High-Density Media Converter System II
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3. Install the High-Density Media Converter System II
3.1 Installing the 20-Slot Rackmount Chassis
Install the chassis first before installing any modules into a 20-Slot Rackmount
Chassis. When installing the chassis, be sure to observe the following
precautions to prevent electrical or mechanical damage:
1. Protect the chassis from exposure to sunlight and electrical or magnetic
fields.
2. Make sure that the equipment rack remains stable, even with the addition
of the chassis and its associated cabling.
To install the 20-Slot Rackmount chassis:
1. Have four #10 screws and four clip nuts available (hardware may vary
depending on rack type). The rest of the hardware is supplied with the unit.
2. Locate a suitable location in the rack for installation and secure the clip-
nuts onto the mounting rails. Use screws to attach the chassis to the rack.
3. Plug the chassis into a reliable, filtered power source.
4. Elevated Operating Ambient - If installed in a closed or multi-unit rack
assembly, the operating ambient temperature of the rack environment may
be greater than room ambient. Install the equipment in an environment that
is compatible with the maximum ambient temperature (Tma) specified by
Black Box.
5. Reduced Air Flow - Install the equipment in a rack so that the amount of air
flow required for safe operation of the equipment is not compromised.
6. Mechanical Loading - Mount the equipment in the rack so that a hazardous
condition does not occur because of uneven mechanical loading.
7. Circuit Overloading - Consideration should be given to the connection of
the equipment to the supply circuit and the effect that overloading of the
circuits might have on over-current protection and supply wiring.
8. Reliable Grounding - Maintain reliable grounding of rackmounted
equipment. Give particular attention to supply connections other than direct
connections to the branch circuit (e.g., use of power strips).
9. All AC and DC versions are intended for use in a Restricted Access
Location (RAL).
3.1.1 Wiring Instruction Guidelines for DC Module in 2DC and ACDC
1. Connection of a suitable grounding conductor to the grounding terminal
at each power supply module (a minimum 14AWG copper conductor
should be suitable based on a 15A circuit breaker requirement).
2. Connection of suitable supply wiring to the plus and minus terminals at
each power supply module (a minimum 14AWG copper conductors is
considered suitable based on the 11A input maximum). The input terminal
block at the power supply module is suitable for 22-14 AWG copper wire.
Chapter 3: Install the High-Density Media Converter System II
LMC5208A 724-746-5500 | blackbox.com Page 19
3.2.1 DC Power Wiring, Replacing Power Supply and Fans
DC Power Supply Module Wiring Instructions
The following diagram shows the wiring configurations for -48 VDC power
supply for the 6-Slot Rackmount or Desktop.
User-Replaceable Power Supply Modules
The 6-Slot Rackmount/Desktop Chassis ships from Black Box with one or two
power supplies installed depending on the model. Chassis ordered with one
power supply come with a filler tray installed in the second slot.
To install a second power supply:
1. Remove the filler tray.
2. Slide the power supply module into the chassis and click into place.
3. Attach the power cord.
To remove a power supply module:
1. Disconnect the power source from the power supply.
2. Move the Power Supply Release switch toward the right and hold while
grasping the power supply module by the silver handle.
3. Slide out of the chassis. (Power supply modules are hot-swappable.)
4. Install new power supply module.
Fans
Users can define a threshold for fan operation via SNMP (when installed in a
managed environment). If a fan’s speed falls below the specified level, SNMP
sends a trap (configured in iView²) to the administrator. There are also two
LED indicators on the SNMP Management Module for fan failure.
The red Alarm Reset Button also functions as a Fan Test button. To verify fan
functionality, hold the button down for several seconds; the fans should
engage. The fans will turn off when the button is released.
SNMP Management Modules include two twisted pair ports, one for
management and one reserved for future use. The Management Module also
features a DB9 serial port, and supports SNMP V1/V2c.