PairGain ETU-772, Quick Installation Manual, Page: 21 / 32

700-722-900-02, Revision 02 System Configuration
UTU-722 and ETU-772 List 1 June 21, 1999 15
S
YSTEM
S
ETTINGS
The following table lists the settings available in the Config System Settings
menu. The settings in boldface type are factory default settings.
Settings in Config System Settings Menu
Settings Description
Application Mode
(a)
SINGLE System uses a single pair of twisted copper wire to transport data.
HDSL Rate Mode Selects the mode by which the HDSL payload rate will be set.
MANUAL HDSL payload rate is set by number of time slots entered for the
HDSL Payload Rate
option.
(b)
Each time slot is 64 kbps.
Nx64K AUTO HDSL payload rate is set by TT clock input at Nx64k data port.
HDSL Payload Rate
(c)
256 kbps/4
Typing a time slot value of 1 through 4 and pressing sets and
displays the HDSL payload rate (in MANUAL mode only). Payload rate
is automatically set in Nx64K AUTO mode.
(d) (e)
Remote Console
Access Selects whether a maintenance terminal connected to an NTU can
affect system changes or is read-only. This field may be set only at
the LTU.
ALLOWED NTU Console screens can be used to configure the system.
BLOCKED NTU Console screens are read-only. The LOC and REM pushbuttons
on the NTU are also disabled. System changes can only be made from
the LTU.
Protect Switch Mode Not available on Nx64k serial data port units.
Local Unit Role Configures UTU or ETU as LTU (master) or NTU (slave). The default
configuration is NTU (slave).
LTU Configures UTU or ETU as LTU (master). The LTU-configured rate
selectable UTU/ETU does not provide line power to other HDSL units.
NTU Configures UTU or ETU as NTU (slave). The NTU-configured rate
selectable UTU/ETU does not provide line power to other HDSL units.
(a) SINGLE is the only application mode.
(b) UTU-722 and ETU-772 have 4 time slots available for rates of 64 kbps to 256 kbps.
(c) An HDSL Payload Rate of 64 kbps (1 time slot) is transmitted at 128 kbps.
(d) Payload rates in both the MANUAL and Nx64K AUTO modes are displayed in the Config LTU and
Config NTU Interface menus as Data Rate/# of TSs (data rate/number of time slots).
(e) Changing the HDSL Payload Rate or Local Unit Role causes the unit to reset and the LEDs to cycle.
Log on again by pressing the several times.
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