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15
ELF System
Copper / Fiber
:: ELF Family
Table 2 - DS3 Electrical
Specification
Return Loss
<-26 dB at DS3, STS-1, and E3 signal rates
Insertion Loss
<1.00 dB at DS3 signal rates for modules with one monitor network
Monitor Level
21 dB ± 1.5 dB below signal level
Contact Resistance
<0.01 Ohms
Characteristic Impedance
75 Ohms
Table 3 - Fiber Optics
Specification
Return Loss
>55 dB
Insertion Loss
<0.5 dB
Mode
Single
Bandpass
1310/1550 ± 20 nm