Configuration/wan – ADTRAN L768 User Manual
Page 40
Chapter 3: Terminal Menu Operation and Structure
24
Express L768/L1.5 User Manual
61202192L1-1
Configuration/WAN
The WAN menu is used to set up the ISDN parameters for the Express L768/
L1.5. Figure 3-3 shows the WAN menu.
Figure 3-3
Configuration/WAN Screen
WAN/HDSL
Write security: 2; Read security: 5
Selects the mode the HDSL line is in.
HDSL/Mode
Write security: 2; Read security: 5
The Express L768/L1.5 can be in two modes: HDSL Terminal Unit-Central
(HTU-C) or HDSL Terminal Unit-Remote (HTU-R) (def). For HDSL synchro-
nization, one unit must be HTU-C and one must HTU-R.
HDSL/Channel Rate
Write security: 2; Read security: 5
Determines the rate at which data is transferred over the HDSL link. Possible
rates are 128K, 192K, 256K, 320K, 384K, 448K, 512K, 576K, 640K, 704K, 768K,
and 1.536M (available with Express L1.5 only).
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