Chapter 3. Installation
48
• Adapter cables to connect from the D/I Mux III DB-25, or 50-pin connectors to the Data
Terminal Equipment (DTE) (cables available from Coastcom)
• Rack adapter brackets, if the D/I Mux III is to be mounted in a 23-inch rack or cabinet
(Coastcom P/N 115632-02)
• Slot-tip and Phillips head screwdrivers (not available from Coastcom)
• Wire cutter/stripper (not available from Coastcom)
• System control terminal (not available from Coastcom)
• System control terminal-to-D/I Mux III cable (available from Coastcom)
• Grounded wrist strap to prevent electrostatic damage (not available from Coastcom)
Shelf Installation
The D/I Mux III is commonly installed in a 19-inch or, with rack adapter brackets, in a 23-inch rack, or
cabinet. Accessory equipment also allows the D/I Mux III to be wall- or desktop-mounted. There are two
methods for wall mounting a D/I Mux III system. A description of all the installations follows.
Rack and Cabinet Installation
D/I Mux III shelves mount on standard 19-inch or 23-inch mounting racks. External brackets must
be ordered for the 23-inch rack installation (Coastcom P/N 115632-02). One set of brackets is
required for 8-slot and 12-slot shelves, and two sets are required for 24-slot shelves. When rack
mounted, both Electronic Industries Association (EIA) and Western Electric Company (WECo)
mounting patterns are accommodated. The shelf mounting ears are reversible, accommodating
flush mount or center mount.
The D/I Mux III 8-slot shelf requires three vertical rack mounting spaces (5.25 inches); the D/I
Mux III 12-slot shelf requires four vertical rack mounting spaces (7.00 inches); and the D/I Mux III
24-slot shelf requires six vertical rack mounting spaces (10.50 inches). One empty rack space is
required above and below the D/I Mux III for ventilation. Review Figure 3-2 when planning space
requirements prior to installation. Cabinet installation usually conforms to the same space
requirements as rack mounting.
WARNING
Adequate ventilation is critical. Allow one rackspace (1.75”) beneath and Above
each D/I Mux shelf. Not doing so will void the warranty. It is recommend that hear
producing devices such as a large power supply not be placed immediately under a
D/I Mux. Maximum ambient operating temperature is 50ºC.-
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