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SC800 T3 Operation
Network Options Screen
At the SC800 T3 Configuration Menu, press 1 and then press Enter to access the Network
Options screen, shown below.
Table 3-4
Network Options
Option
Line Coding (Read-only)
Frame Mode (Read only)
Txmt Clock Source (Read only)
Line Buildout
[1] AIS Loopdown
[2] Inband Loopback
[CR] Return to Previous Menu
[S] Save
[0] Return to Main Menu
Note
The read-only values displayed for Frame Mode, Txmit Click Source, and Line Buildout are determined from
user-selected settings on the unit's Switch S1
076R160-000
Issue 4
Table 3-4
Display the fixed Zero Code Suppression in use on the link.
(Always:
M13 - Configures the network interface to M13 framing.
C-Bit Parity
Internal – DSU itself provides the timing source
Receive
receives at the network interface and uses that as its timing source.
Long – 100 to 450 ft. DS-3 mode.
(read only)
Short
Disable
05-60 - Seconds of AIS that causes termination of loopback test.
Enable or
Press Enter (Carriage Return) to return to the Configuration Menu.
Saves changes made at the Network Options screen.
Displays confirmation prompt, then exits the Configuration menu
without saving changes; returns to SC800 T3 Main Menu.
SpectraComm 800 T3 Data Service Unit
Installation and Operation Manual
SC800 T3 Configuration Menu
describes the terminal interface selections.
Description/Settings
B3ZS
)
- Configures the network interface to C-bit parity.
(default) - DSU recovers receive clock from T3 data it
(default) - 0 to 100 ft. DSX-3 mode.
- Alarm Indication Signal does not terminate loopbacks
Disable
inband loopback from Telco Operation System
(Table
2-3).
3-7
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