8-Port EIA-422A Portmaster Adapter/A
Type 2-I - #7006 7008 7044

                                           _
                                            |   100-position
       _____________________________________|   D Shell female
      | | Base Card   ______________________|
      | | 53F2603    | Interface Card       |                ________
      | | FFC B69    | 8-Port EIA-422A      |________T4_____| Port 0 |
      | | #7006/7008 | 53F2615  B72 #7044   |               | Port 1 |
      | |            |______________________|               | Port 2 |
      |_|_______      _                ___  |               | Port 3 |
                |_|||| ||||||||||||||_|   |_|               | Port 4 |
                                            |               | Port 5 |
       __Memory Module __    Base Card with:                | Port 6 |
      |  1mb 53F2662     |    1MB 53F2660                   | Port 7 |
      |  2mb 53F2666     |    2MB 53F2664                   |________|
      |__________________|                             53F2621 (33F8962)


         T4-  Interface Cable & Box 8-Port 232/422   B81   1.2m   #7102