User Guide

Chapter 3. Operation
61200142L1-1 Dual Nx56/64 Option Module User Manual 3-9
This menu option can also be set to
O
N
-D
EMAND
which
will activate the Inband Channel only when commands
are sent from T-Watch Pro to the remote unit (TSU 600 B
in Figure 3-5). If no T-Watch Pro activity is detected for
10 minutes, the Inband Channel is deactivated.
TX CLK SOURCE
Controls the clock used by the DTE. Normally this is set
to
INTERNAL
. If the DTE provides a clock with TX data,
the clock selection is set to
EXTERNAL
. The Nx56/64
will depend on an externally supplied clock to accept the
TX data.
Choices: INTERNAL or EXTERNAL
Figure 3-5. Inband Remote Configuration
TSU 600 A
NX
DSX 1
CHAIN IN
ROUTER PBX
TSU 600 B
NX DSX 1
ROUTER PBX
NETWORK
T-WATCH
Although a router can accommodate this 8K rate reduction, some DTE
devices may not (i.e., video). Determination should be made if the
connected DTE can handle this reduced clock source. A second option
would be to operate in 56K/DS0.