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| Available Options | 2 noise generator cards 3 22 AWG ISDN modules to 7000 ft. each 6 24 AWG ISDN modules to 7000 ft each 6 26 AWG ISDN modules to 7000 ft each Expansion Unit "Programming Module", w/5 Relay Daughtercards. Expansion Unit w/power cable and 60 pin ribbon cable (ribbon cable needs new header) Unchecked |