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COMSPHERE 3600 Series Data Service Units
5-24 March 1999 3610-A2-GB41-60
Bilateral Loopback
Bilateral Loopback, shown in Figure 5-9, is a
combination of DTE and Digital Loopbacks operating
simultaneously in the same DSU. Bilateral Loopback or
Digital Loopback is a customer-selectable configuration
choice (see the General Configuration Option Table in
Chapter 6 of the COMSPHERE 3600 Series Data Service
Units, Models 3610 and 3611, Operator’s Guide).
NOTE
If the Bilat Lpbk (Bilateral
Loopback) configuration option
is enabled, requesting a Remote
Digital Loopback or Digital Test
on a port also initiates a DTE
Loopback on the port.
Requesting an aggregate
Remote Digital Loopback or
Digital Loopback automatically
initiates a DTE Loopback on all
ports.
Figure 5-9. Bilateral Loopback