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E1 Mode
L2 L1 L0 APPLICATION N (1) RETURN LOSS Rt (1)
0 0 0 75O normal 1:2 NM 0
0 0 1 120O normal 1:2 NM 0
1 0 0 75O with high return loss* 1:2 21dB 6.2O
1 0 1 120O with high return loss* 1:2 21dB 11.6O
*TT0 and TT1 of LIC4 register must be set to zero in this configuration.
T1 Mode
L2 L1 L0 APPLICATION N (1) RETURN LOSS Rt (1)
0 0 0 DSX-1 (0 to 133 feet)/0dB CSU 1:2 NM 0
0 0 1 DSX-1 (133 to 266 feet) 1:2 NM 0
0 1 0 DSX-1 (266 to 399 feet) 1:2 NM 0
0 1 1 DSX-1 (399 to 533 feet) 1:2 NM 0
1 0 0 DSX-1 (533 to 655 feet) 1:2 NM 0
1 0 1 -7.5dB CSU 1:2 NM 0
1 1 0 -15dB CSU 1:2 NM 0
1 1 1 -22.5dB CSU 1:2 NM 0