ICS TRIPLEX T9300 Channel contact module

The Motorola MVME2603/2604 family of single board computers is specified, designed, and tested to operate reliably with an incoming air temperature range from 0° to 55° C (32° to 131° F) with forced air cooling of the entire assembly (base board and modules) at a velocity typically achievable by using a 100 CFM axial fan. Temperature qualification is performed in a standard Motorola VME system chassis. 25-watt load boards are inserted in two card slots, one on each side, adjacent to the board under test, to simulate a high power density system configuration. An assembly of three axial fans, rated at 100 CFM per fan, is placed directly under the VME card cage. The incoming air temperature is measured between the fan assembly and the card cage, where the incoming airstream first encounters the module under test. Test software is executed as the module is subjected to ambient temperature variations. Case temperatures of critical, high power density integrated circuits are monitored to ensure component vendors’ specifications are not exceeded.

FCC Compliance 

The MVME2603/2604 single board computer was tested in an FCC-compliant chassis and meets the requirements for Class A equipment. FCC compliance was achieved under the following conditions: 

❏ Shielded cables on all external I/O ports. 

❏ Cable shields connected to earth ground via metal shell connectors bonded to a conductive module front panel. 

❏ Conductive chassis rails connected to earth ground. This provides the path for connecting shields to earth ground. 

❏ Front panel screws properly tightened. For minimum RF emissions, it is essential that the conditions above be implemented. Failure to do so could compromise the FCC compliance of the equipment containing the module.

As described in previous chapters of this manual

 the MVME2603/2604 serial communications interface has four ports. Two of them are combined synchronous/asynchronous ports; the other two are asynchronous only. Both synchronous and asynchronous ports supply an EIA-232-D DCE/DTE interface via P2 and the MVME712M transition module.

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