Patton electronic COPPER LINK 2174 - Manual (Page 15)

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Switch S1-1: Local/Remote Configuration
Use switch S1-1 to configure the unit as Remote or Local in the Model
2174 pair.
Switches S1-2 and S1-3: Symmetric/Asymmetric Operation
Use switches S1-2 and S1-3 to configure the CopperLink line rate type-
and operation.
Note See Appendix D on page 20 for line rate distances.
Switch S1-5: General Protection (Signal to Noise Ratio)
Use switch S1-5 to configure line noise protection.
• 6dB: Original line noise protection with 6dB SNR
• 9dB: Better line noise protection with SNR up to 9dB
Table 2: Local/Remote Unit Configuration
S1-1 Setting
ON CPE/Remote
OFF CO/Local
Table 3: Symmetric/Asymmetric Selection Chart
S1-2 S1-3 Setting
OFF OFF High-Speed “Symmetric”
OFF ON High-Speed “Asymmetric”
ON OFF Long-Range “Symmetric”
ON ON Long-Range “Asymmetric”
Table 4: Signal to Noise Ratio
S1-5 Setting
ON 6dB
OFF 9dB