Bit Stuffing; Set Lbo; Rx Sensitivity; Figure 5-5. Internal Clock Source - ADTRAN TSU ACE Manual

Internal Timing
The TSU ACE is the source of timing. The TSU ACE is config-
ured to use its own internal oscillator as the source of timing.
Applications include private line driver circuits where one
end is set to network and the other to internal. See Figure 5-5.

BIT STUFFING

When enabled, BIT STUFFING causes the TSU ACE to monitor for
ones (1s) density violations and insert a one (1) when needed to main-
tain ones at 12.5 percent. This option should be disabled if B8ZS is en-
abled, if Nx56 is selected, or if alternate channels are being used. All
of these other options already ensure pulse density requirements.
Choices: ENA, DISA

SET LBO

SET LBO selects the line build-out for the network interface. In
mode, the TSU ACE sets the LBO based on the strength of the receive
signal.
Choices: 0dB, AUTO, -22.5dB, -7.5dB, -15dB

RX SENSITIVITY

RX SENSITIVITY selects the desired receiver sensitivity setting. The
factory default is
The extended setting should be used only in applications where the
setting will not suffice.
NORMAL
61200295L1-20

Figure 5-5. Internal Clock Source

which is adequate for most applications.
NORMAL
TSU ACE User Manual
Chapter 5. Configuration Menu
AUTO
5-5