hatch X-RAY Operating Manual page 20

HATCH X-RAY Operating Manual
RJ11 (6P4C) WITH SINGLE DOORBELL SWITCH
Can use Internal Keypad Console with Internal Exposure Switch and single
door bell switch
RJ11 (6P4C) WITH DOUBLE DOORBELL SWITCH (optional)
Can use Internal Keypad Console with Internal Exposure Switch and double
door bell switch
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