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Chapter 5. Configuration Menu
5-6 TDU 120e User Manual 61202156L2-1
TIMING MODE
Selects the clock source for transmission toward the net-
work from the NI.
Choices: N
ETWORK
, B
ASE
DTE, B
ASE
DS-1, N
ORMAL
(CSU) (only with DSX-1 option card), U-BR1TE (only
with U-BR1TE option card), I
NTERNAL
, and S
ECONDARY
(SI) (only with secondary port option card).
The selected clock option always designates the clock source for
transmission. Clocking necessary for receiving data is always recovered
from incoming data.