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4-Port Serial E1/G.703 and E1/G.704 Balanced/Unbalanced NPM (NP-4GB and NP-4GU)
4-Port Serial E1/G.703 and E1/G.704 Balanced/Unbalanced NPM (NP-4GB and NP-4GU)
Figure 17-109: 4-Port Serial E1/G.703 and E1/G.704 Balanced/Unbalanced NPM (NP-4GB and NP-4GU)
