Installation
2-9
GDC 048R154-000
Table 2-4
Option Application Notes — Switchbank S10, DTE
Characteristics
Option
Selection
Switch
Position
Description
DTE Auto Clock
Invert
Disable*
S10-1
Off*
Normal/Invert condition of DTE
Receive and Send Clocks controlled
by S15-7&8
Enable
S10-1
On
DSU monitors for data/clock
mismatches in DTE data, and auto-
matically toggles between Normal
and Invert conditions to compensate
for detected mismatch conditions.
Overrides settings of S15-7&8
DTE Test Leads
Disable*
S10-2
Off*
DTE Test Leads LL and RL disabled.
Enable
S10-2
On
DTE Test Leads LL and RL enabled.
DTE Test
Pattern
2047*
S10-3
Off*
Selects 2047-bit Self-Test pattern for
channel tests
511
S10-3
On
Selects 511-bit Self-Test pattern for
channel tests
LL Switch Mode
Bilateral
S10-4
Off*
T1 Line Loop test loops full T1 back
to network interface, and loops chan-
nel back to DTE.
Channel Line Loop test loops
channel back to DTE, and loops
DS0s allocated to the channel back to
network interface.
Unilateral
S10-4
On
T1 Line Loop test loops full T1 back
to network interface.
Channel Line Loop test loops
channel back to DTE.
* Factory default selection.
