TTC T-BERD 107A, Reference Manual

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1-5
SECTION 1
GENERAL
INFORMATION
Smart Loopback/Command Codes Option
(107A-4)
Adds intelligent repeater loop codes that en-
able the T-BERD 107A to control intelligent
network equipment, such as office repeaters,
line repeaters, and maintenance switches.
Adds HDSL loop codes that enable the
T-BERD 107A to control PAIRGAIN or equiva-
lent HDSL circuit repeaters.
Fractional T1 Option (107A-5)
Fractional T1 (FT1) modes provide contigu-
ous and noncontiguous, 56KxN and 64KxN,
fractional T1 testing capabilities in D4, D1D,
and ESF framing formats.
Adds three FT1 patterns (63, 511, and 2047)
for testing DDS and fractional T1 circuits.
Adds VF tones (404 Hz, 1004 Hz, and 2804 Hz
at user-selectable output level; 2713 Hz at 0.0
dBm) that can be transmitted on a user-selected
DS0 channel.
1.5 ACCESSORIES
T-BERD T1 Repeater Extender
(Model #41157)
The T-BERD T1 Repeater Extender is a hand-
held circuit card extender that provides test access to
T1 signals at span repeater housings. It is designed to