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Фрагмент инструкции
RS232 Interface On the IPMC712 module, the four serial ports are used to communicate at RS232 voltage levels (P14). The first three ports are fixed asynchronous ports, while the remaining port can be configured as either a synchronous or an asynchronous port. For additional handshaking signals, the IPMC712 module has the following features: ¦ Port 1 has RTS and CTS ¦ Ports 2, 3, and 4 have RTS, CTS, DTR, DCD ¦ Port 4 has configurable serial clock signals RTxC and TRxC Jumpers J2, J3 and J5 determine the sources for these two signals, refer to Figure 1-5 on page 7. IPMC7126E/7616E I/O Module Installation and Use (6806800A45B) Chapter 1 Product Features 10 IPMC7126E/7616E I/O Module Installation and Use (6806800A45B) Installing the IPMC Module 2 This chapter discusses the configuration and installation of IPMC modules on an MVME6100, MVME5500, or MVME5100 SBCs. For additional information pertaining to the MVME51005E, refer to the information contained in the MVME51005E Single Board Computer Installation and Use manual before proceeding with these instructions contained in this chapter. Packaging As a precautionary measure, IPMC modules are sealed in an anti-static package to protect them from static discharge. Observe standard handling practices of static sensitive equipment. Configuring the IPMC Modules There are two user configurable switches on the IPMC712 and IPMC761 I/O modules. Switches S1 and S2 are described in Chapter 3, Programming. Installing IPMC Modules on Host Board Both the IPMC712 and the IPMC761 modules are installed on PMC slot 1 of the host board. As a general reminder, IPMC modules must be installed on the host board prior to installing it into the VME chassis. To install an IPMC module, refer to the following figure and proceed as follows: 1. Inspect the host board and the IPMC module for evidence of any damage to the PCB itself or for evidence of any damage on the mating connectors. 2. If the host board is installed in a VMEbus card slot, carefully remove it and place it with connectors P1and P2 facing you. IPMC7126E/7616E I/O Module Installation and Use (6806800A45B) 11 IPMC7126E/7616E I/O Module Installation and Use (6806800A45B) Chapter 2 Installing the IPMC Module 12 3. Remove the filler plate from the host board’s front panel. Position the IPMC module over the center area of the slot 1 connectors as follows: 4. Line up the IPMC module’s front panel into the IPMC filler cutout slot on the host board’s front panel. 5. Align connectors P11, P12, P13, P14, and P15 on the IPMC module with the mating connectors on the host board and press firmly into place. 6. Insert the appropriate number of Phillips screws (typically 4) from the bottom of the host board into the standoffs on the IPMC module and tighten the screws. The host board is now ready to be installed into a VME chassis. Before You Install or Remove a Board Boards may be damaged if improperly installed or handled. Please read and follow the guidelines in this section to protect your equipment. Observe ESD Precautions Use ESD Wrist Strap ESD Emerson strongly recommends that you use an antistatic wrist strap and a conductive foam pad when installing or upgrading a system. Electronic components, such as disk drives, computer boards, and memory modules, can be extremely sensitive to electrostatic discharge (ESD). After removing the component from its protective wrapper or from the system, place the component flat on a grounded, static-free surface (and, in the case of a board, component side up). Do not slide the component over any surface. If an ESD station is not available, you can avoid damage resulting from ESD by wearing an antistatic wrist strap (available at electronics stores) that is attached to an active electrical ground. Note that a system chassis may not be grounded if it is unplugged. Figure 2-1. IPMC Installation Chapter 2 Installing the IPMC Module Watch for Bent Pins or Other Damage ! Caution Bent pins or loose components can cause damage to the board, the backplane, or other system components. Carefully inspect your board and the backplane for both pin and component integrity before installation. ECC and our suppliers take significant steps to ensure there are no bent pins on the backplane or connector damage to the boards prior to leaving our factory. Bent pins caused by improper installation or by boards with damaged connectors could void the warranty for the backplane or boards. If a system contains one or more crushed pins, power off the system and contact your local sales representative to schedule delivery of a replacement chassis assembly. Use Caution When Installing or Removing Boards When first installing boards in an empty chassis, we recommend that you start at the left of the card cage and work to the right when cards are vertically aligned; in horizontally aligned cages, work from bottom to top. When inserting or removing a board in a slot adjacent to other boards, use extra caution to avoid damage to th...
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