TTC T-BERD 107A, Справочное руководство

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SECTION 4
4-29
AUXILIARY
FUNCTIONS
Time-out Disable — Disables the loopback
timeout function of the maintenance switch.
The maintenance switch loopback should
be established first, then the timeout disable
function is sent. The timeout function re-
sets when the loopback is deactivated re-
motely.
HDSL
—
The HDSL loop codes are used to
establish a loopback at either the central office or
the customer premises. The
RESULTS switch is
used to select between HTU-C (Central office)
and HTU-R (Remote - customer premises).
ESF DL — The ESF datalink codes determine
which ESF BPMs the T-BERD 107A transmits.
Pressing the
LOOP UP or LOOP DOWN switch
transmits the selected BPM. When a BPM is
being transmitted, its name appears while trans-
mitting in the PATTERN display. The
RE-
SULTS switch is used to select the BPM
command from among the following available
commands:
N F SYNC — Do not use for synchroniza-
tion timing.
STRATUM 1 — Stratum 1 traceable timing.
STRATUM 2 — Stratum 2 traceable timing.
STRATUM 3 — Stratum 3 traceable timing.
STRATUM 4 — Stratum 4 traceable timing.
SONET — SONET clock traceable timing.