Service Manuals, User Guides, Schematic Diagrams or docs for : HP 9000_cio 27140A_6-Channel_Modem_Multiplexer_IMS

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>> Download 27140A_6-Channel_Modem_Multiplexer_IMS documenatation <<

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           '2,7 J 40A




o Six full duplex modem/terminal channels

o EIA RS-232-C AND CCITT V.28 compatability

o Selectable number of bits/char: 5,6,7, or 8 plus parlity

o Selectable number of stop bits: 1,1.5,2

o Two transmission modes: full duplex hardwire or modem

o Selectable parity: None, odd, or even

o Internal clock

o Programmable baud rate: 50,75,110,134.5,150,300,600,900,
                          1200,1800,2400,3600,4800,7200,
                          9600, or 19200. Default is 9600

o Break detection and generation

o Programmable device controlled X-ON/X-OfF handshaking

o On board self-test which will automatically test rrontplane
  circuitry if test hood is present

o Timer for various modem functions


o Optional interrupt for asynchronus event sensed
      / e-RIVlIN/t l              Id      A ND~ 1-/ A 1== IN 6

      X-ON/X' oFF

-f}    f1evi   r~~                PC{ c.es


                                                 x-    OFF


 -QTo          13   +0 r-l-     )( VV\l   +;      x-      01\/




  ~ ~ n&.ov-            t;e   Y\~ S       EN Q      -10    rcr   LII   e~'+   'S~~ r t

  ~     R~celvev-             'respovu:is        w;-+ ~     ,Ac ~
                                                   CONTROL




          Card            Common
          Abbr            Abbr.            Description


I         RO              RO               Received Data
N         CS              CTS ~(t\~        Clear To Send
p         RR              coc,~r           Receiver Ready (Received Line Signal Detect)
U           OM            OSR              Data Mode (Data Set Ready)
T           IC            RI               Incoming Call (Ring Indicator)
S


0         SO              SO               Tra ns mit ted Da t a
U         RS              RTS              Request To Send
T         TR              DTR              Data Terminal Ready
p         SR              SR               Frequency Select
U
T
S


          SG                               Signa I Ground



                                Modem Line Definitions



OM: Locq\                      VV\.c!> cR.r;; ~ i So     re~dy

~R~          ~ ~Mo+e t""-~~fr\-                    ,-s    re~'y

    ~Il 

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