| Schedule of Disaggregation of Revenues |
For Transition Networks, we analyze revenue by region and product group, which is as follows for the three and six months ended June 30, 2019 and 2018:
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Transition Networks Sales by Region
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Three Months Ended June 30
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Six Months Ended June 30
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2019
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2018
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2019
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2018
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North America
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$
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8,052,000
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$
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6,450,000
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$
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14,963,000
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$
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14,092,000
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Rest of World
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672,000
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864,000
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1,396,000
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1,840,000
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Europe, Middle East, Africa ("EMEA")
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451,000
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520,000
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1,706,000
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1,056,000
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$
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9,175,000
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$
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7,834,000
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$
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18,065,000
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$
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16,988,000
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Transition Networks Sales by Product Group
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Three Months Ended June 30
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Six Months Ended June 30
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2019
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2018
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2019
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2018
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Media converters
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$
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4,683,000
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$
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4,492,000
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$
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10,061,000
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$
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9,677,000
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Ethernet switches and adapters
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2,831,000
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1,827,000
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4,831,000
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4,086,000
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Other products
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1,661,000
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1,515,000
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3,173,000
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3,225,000
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$
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9,175,000
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$
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7,834,000
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$
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18,065,000
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$
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16,988,000
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For Suttle, we analyze revenues by product and customer group, which is as follows for the three and six months ended June 30, 2019 and 2018:
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Suttle Sales by Product Group
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Three Months Ended June 30
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Six Months Ended June 30
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2019
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2018
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2019
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2018
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Structured cabling and connecting system products
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$
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3,766,000
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$
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5,169,000
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$
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8,843,000
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$
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11,742,000
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DSL and other products
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981,000
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704,000
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1,425,000
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1,104,000
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$
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4,747,000
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$
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5,873,000
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$
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10,268,000
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$
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12,846,000
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Suttle Sales by Customer Group
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Three Months Ended June 30
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Six Months Ended June 30
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2019
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2018
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2019
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2018
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Communication service providers
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$
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3,367,000
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$
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4,500,000
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$
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7,958,000
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$
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10,447,000
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International
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109,000
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766,000
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508,000
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1,346,000
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Distributors
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568,000
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607,000
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1,099,000
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1,053,000
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Other
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703,000
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-
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703,000
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-
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$
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4,747,000
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$
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5,873,000
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$
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10,268,000
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$
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12,846,000
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For JDL, we analyze revenue by customer group, which is as follows for the three and six months ended June 30, 2019 and 2018:
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JDL Revenue by Customer Group
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Three Months Ended June 30
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Six Months Ended June 30
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2019
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2018
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2019
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2018
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Education
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$
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295,000
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$
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280,000
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$
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1,768,000
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$
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388,000
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Healthcare and commercial clients
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656,000
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633,000
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1,392,000
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1,234,000
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$
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951,000
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$
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913,000
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$
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3,160,000
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$
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1,622,000
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