Verilink IMUX (880-503137-001) Product Manual Manual do Utilizador descarregar pdf (Página 41)

Diagnostics

Verilink IMUX User Manual 5-3

Figure 5-3 IMUX Loopbacks

Table 5-2 IMUX Loopbacks

Loopback Type Definition

Payload Loopback (PLB) A PLB loops the signal intended for the DTE back

toward the far-end at the data port. It tests the

T1 channels and the IMUX module up to the data

port.

Equipment Loopback (ELB) When used with an M1-3, the DTE signal is

looped back to the DTE. This test isolates the

equipment cable and DTE as possible trouble

locations.

IMUX

Equipment

Loopback

DTE

IMUX M1-3

Payload

Loopback

IMUX

M1-3

MLS

Midplane

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Verilink IMUX (880-503137-001) Product Manual Manual do Utilizador Página 41