Network Options/Leased Line; Leased Line/Clock Mode; Figure 6-3. Limited Distance Modem Application - ADTRAN ISU 512e Manual

Network Options/Leased Line

Selecting the L L
EASED
vice or service that provides a permanent connection between end
points such as limited distance modem or LDM service; see Figure 6-3.

Figure 6-3. Limited Distance Modem Application

The ISU 512e must be set to the B
leased applications.

Leased Line/Clock Mode

By configuring the ISU 512e for M
vide clocking for both ends of the phone line. This M
intended to be used at one end of a limited distance modem applica-
tion, where two ISU 512e units are directly connected without the use
of channel banks. The far-end unit should be configured for S
(def) timing, deriving its clocking from the ISU 512e configured for
M timing.
ASTER
If two ISU 512e units are connected through channel banks, one unit
should be configured for S
) or M depending on the channel bank and its configuration;
TER ASTER
see Figure 6-4 on page 6-14. To easily configure ISU 512e's for this ap-
plication, all three leased mode configurations are available on the
Q S menu. For more information, see Quick Setup Configura-
UICK ETUP
tion on page 6-32.
61203086L1-1
Chapter 6. Configuration Menu
mode configures the unit for leased line ser-
INE
timing, the ISU 512e can pro-
ASTER
mode and the other for S
LAVE
ISU 512e User Manual
protocol for
ONDING
option is
ASTER
LAVE
(M
LAVE AS
6-13
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