| Schedule of Disaggregation of Revenues |
For Transition Networks, we analyze revenue by region and product group, which is as follows for the three and nine months ended September 30, 2019 and 2018:
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Transition Networks Sales by Region
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Three Months Ended September 30
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Nine Months Ended September 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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11,479,000
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$
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8,015,000
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$
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26,442,000
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$
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22,107,000
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Rest of World
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426,000
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690,000
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1,822,000
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2,530,000
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Europe, Middle East, Africa ("EMEA")
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578,000
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526,000
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2,284,000
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1,582,000
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$
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12,483,000
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$
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9,231,000
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$
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30,548,000
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$
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26,219,000
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Transition Networks Sales by Product Group
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Three Months Ended September 30
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Nine Months Ended September 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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5,031,000
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$
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5,059,000
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$
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15,092,000
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$
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14,735,000
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Ethernet switches and adapters
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5,957,000
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2,563,000
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10,788,000
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6,650,000
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Other products
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1,495,000
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1,609,000
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4,668,000
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4,834,000
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$
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12,483,000
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$
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9,231,000
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$
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30,548,000
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$
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26,219,000
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For Suttle, we analyze revenues by product and customer group, which is as follows for the three and nine months ended September 30, 2019 and 2018:
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Suttle Sales by Product Group
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Three Months Ended September 30
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Nine Months Ended September 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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3,706,000
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$
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4,748,000
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$
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12,549,000
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$
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16,490,000
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DSL and other products
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945,000
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261,000
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2,369,000
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1,365,000
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$
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4,651,000
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$
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5,009,000
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$
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14,918,000
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$
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17,855,000
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Suttle Sales by Customer Group
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Three Months Ended September 30
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Nine Months Ended September 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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3,506,000
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$
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4,258,000
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$
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11,463,000
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$
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14,705,000
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International
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137,000
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350,000
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645,000
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1,696,000
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Distributors
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414,000
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401,000
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1,513,000
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1,454,000
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Other
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594,000
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-
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1,297,000
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-
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$
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4,651,000
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$
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5,009,000
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$
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14,918,000
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$
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17,855,000
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For JDL, we analyze revenue by customer group, which is as follows for the three and nine months ended September 30, 2019 and 2018:
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JDL Revenue by Customer Group
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Three Months Ended September 30
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Nine Months Ended September 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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63,000
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$
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185,000
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$
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1,831,000
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$
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574,000
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Healthcare and commercial clients
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720,000
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674,000
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2,111,000
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1,908,000
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$
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783,000
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$
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859,000
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$
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3,942,000
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$
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2,482,000
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