Adc and 3 Doubler Manual de usuario descargar pdf (Pagina 29)

LTPH-UM-1234-01 Loopback Operation in HiGain Systems

HDU-409 Lists 1, 2, and 3 April 30, 2003 23

The SPLB generic command set for four-doubler loopbacks is listed in

Table 7. The commands are specific combinations of either 6 or 7 bits that

continuously repeat. All NDUx loopbacks are towards the network. All

CDUx loopbacks are towards the customer. Figure 6 on page 24 is a diagram

of the various HiGain loopbacks.

Table 7. SPLB Generic Command Set

Command Set Loopback

NDU1 1 1 0 0 0 0 (2-in-6)

NDU2 1 1 1 0 0 0 (3-in-6)

NDU3 1 0 1 0 0 0 1

NDU4 1 0 1 0 0 1 0

CDU1 1 1 1 1 0 0 (4-in-6)

CDU2 1 1 1 1 1 0 (5-in-6)

CDU3 1 0 1 1 0 0 1

CDU4 1 0 1 1 0 1 0

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 43 44

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Adc and 3 Doubler Manual de usuario Pagina 29