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Operation
Channel Configuration Screen
The Channel Configuration screen shown in
that determine operating parameters for the DTE interface of the DSU. Each option is identified by
a selection number or letter, and displays its current setting.
lists the settings available for each option.
[1] Channel Starting DS0:
[2] Channel Rate:
[3] Channel DS0 Format:
[4] Channel Allocation:
[5] Channel Inband DCC Mode:
[6] Channel Split Timing:
[7] Channel Respond RDL:
[8] Channel Inband DL Timeout:
[9] Channel Data Invert:
[a] Channel Clock Invert:
[b] Channel Auto Clock Invert:
[c] Channel Constant DCD:
[d] Channel Constant DSR:
[e] Channel Constant CTS:
[f] Channel EIA Test Leads:
[g] Channel Routing:
[h] Channel Redundancy:
[0] RETURN TO PREVIOUS MENU
Figure 3-10
Table 3-3
SC 553 Channel Configuration Option Settings
Option
[0] Return to Previous Menu
[1] Channel Starting DS0:
[2]
Channel Rate:
[3] Channel DS0 Format:
[4]
Channel Allocation:
[5] Channel Inband DCC Mode
076R155-000
Issue 7
CHANNEL CONFIGURATION
Select: [ ]
Channel Configuration Screen
Returns display to the Configuration menu screen
01 (Default) through 24 = selects first DSI in the group used for channel
data
None – selects unit to operate as a CSU, cascade port DS0s 1-24 linked
to network interface DS0s 1-24
64kbps (1 DS0) through 1536 kbps (24 DS0s) (Default)
or 56kbps (1 DS0) through 1344 kbps (24 DS0s)
N x 64 kbps (Default)
N x 56 kbps
Consecutive – selects consecutive DS0s for payload (Default)
Alternate – selects alternate DS0s for payload; unused DS0s are forced
to marks
None (Default)
DCC DS0 = DSU adds 1 DS0 to group required to support Channel Rate
and uses it for diagnostic channel communications with remote
Embedded = DSU performs diagnostic channel communications with
remote using the FDL (56 kbps DS0 format only)
SpectraComm 553 Fractional T1 DSU
Installation and Operation Manual
Figure 3-10
presents a screen of configuration options
Table
3-2, which follows the figure,
01
1536Kbps(24 DS0s)
Nx64K
Consecutive
None
Disable
PN127
Disable
Tx Norm, Rx Norm
Tx Norm, Rx Norm
Disable
Disable
Disable
Disable
Disable
Network
Disable
Potential Settings
Terminal Interface
3-13
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