RAD Data comm ASM-10/8 Especificaciones Pagina 42

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Chapter 4 Diagnostics ASM-10/8 Installation and Operation Manual
4-4 V.54 Loopback Tests
Local Digital Loopback (DIG)
The local digital loopback (DIG) test allows the operator at the remote end to
check the performance of the local and remote ASM-10/8 units, and their
connecting lines. The DIG test loops the received data back to the remote
ASM-10/8 (see Figure 4-3). The local digital loopback test is equivalent to activating
the remote loopback from the remote ASM-10/8.
Local
DTE
Remote
DTE
Link
Interface
Link
Interface
Transmit
DIG
Pressed
Receive
Receive Transmit
Data
Data
Clock
Clock
Local ASM-10/8 Remote ASM-10/8
Figure 4-3. Local Digital Loopback
To activate the local digital loopback:
Press the DIG pushbutton on the local ASM-10/8 front panel.
The TEST LED lights up.
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