Rack M114 Lower Backplane and Details
                 -------------------------------------

                                                                15-APR-1992
                                                   Latest Rev.  9-JULY-1993


        Layout of the Lower Backplane in Rack M114     Solder Side View
      ------------------------------------------------------------------

            J4        J3        J2        J1
      --------------------------------------------
20.   |  ==TERM==  ========  ========  ========  |   OPEN
      |  ||||||||                                |
19.   |  ========  ========  ========  ========  |   DBSC Frn  4..1   CA = 56
      |  ||||||||                                |
18.   |  ========  ========  ========  ========  |   DBSC Frn  8..5    CA = 53
      |  ||||||||                                |
17.   |  ========  ========  ========  ========  |   DBSC Frn 12..9   CA = 50
      |  ||||||||                                |
16.   |  ========  ========  ========  ========  |   DBSC Frn 16..13   CA = 47
      |  ||||||||                                |
15.   |  ========  ========  ========  ========  |   DBSC Frn 20..17  CA = 44
      |  ||||||||                                |
14.   |  ========  ========  ========  ========  |   DBSC Frn 24..21   CA = 41
      |  ||||||||                                |
13.   |  ========  ========  ========  ========  |   DBSC Frn 28..25  CA = 38
      |  ||||||||                                |
12.   |  ========  ========  ========  ========  |   DBSC Frn 32..29   CA = 35
      |  ||||||||                                |
11.   |  ========  ========  ========  ========  |   DBSC Frn 36..33  CA = 32
      |  ||||||||                                |
10.   |  ========  ========  ========  ========  |   DBSC Frn 40..37   CA = 29
      |  ||||||||                                |
 9.   |  ========  ========  ========  ========  |   DBSC Frn 44..41  CA = 26
      |  ||||||||                                |
 8.   |  ========  ========  ========  ========  |   DBSC Reserved     CA = 23
      |  ||||||||                                |
 7.   |  ========  ========  ========  ========  |   DBSC L0 P5..P6   CA = 20
      |  ||||||||                                |
 6.   |  ========  ========  ========  ========  |   DBSC L0 P0..P4    CA = 17
      |  ||||||||                                |
 5.   |  ========  ========  ========  ========  |   CTMBD w/CCCP     MBA = 106
      |                                          |
 4.   |  ========  ========  ========  ========  |   ANDOR RfSt vs ST CA = 14
      |                                          |
 3.   |  ========  ========  ========  ========  |   ANDOR SupRS vs ST CA = 11
      |                                          |
 2.   |  ========  ========  ========  ========  |   (open)
      |                                          |
 1.   |  ========  ========  ========  ========  |   (open)
      |__________________________________________|
            J4        J3        J2        J1

                 Rear "Solder Side" View

    Terminator is on: S20 J4