COMSPHERE 3600 Series Data Service Units
4-8 December 1996 3610-A2-GB46-60
Table 4-3
(2 of 3)
Diagnostic General Configuration Options
Link Delay: 0s
Next 0s 1s 2s 5s 10s 20s 50s Prev
Link Delay. Controls the additional time in seconds that a DSU or DBM waits for a response from a device one level
downstream. This configuration option does not appear for a multipoint single port device.
NOTE: This configuration option only appears when Diag Type is
set to NonD (Table 4-2).
If diagnostic time-outs are occurring during polling or DATAPHONE commands, increase the link delay to the
next higher value.
0s to 50s – Sets the number of seconds the DSU or DBM waits for a downstream device response.
Network Delay: 0s
Next 0s 1s 2s 5s 10s 20s 50s Prev
Network Delay. Controls the additional time in seconds that a DSU or DBM waits for a response from a multilink channel.
The amount of delay should be set to at least 1 second if the downstream link is MCMP. Increase the network delay
when:
• Receiving timeouts from an NMS
• Fast Select configuration option is disabled
• A tributary is two or more units downstream from the control unit
NOTE: This configuration option only appears when Diag Type is
set to NonD (Table 4-2) and only applies when the
protocol mode is set to ADp.
0s to 50s – Sets the time the DSU or DBM waits for a multilink channel response.
Packet Delay: 0s
Next 0s 1s 2s 5s Prev
Packet Delay. Controls the time in seconds that a DSU or DBM waits for a packet to complete from an NMS. This
configuration option only appears for a DSU configured as a control.
NOTE: Must be used when the Model 3600 DSU’s diagnostic channel operates over packet switch, satellite
communications, or other facilities that provide extended throughput delays.
0s to 5s – Sets the time the DSU or DBM waits for an NMS to complete its command.
Extend Chan: No
Next Yes No Prev
Extend Main Channel.
1
For an extended network, specifies whether there is main channel connectivity between the
DTE port of the tributary DSU and the DTE port of the extended control DSU. If set to Yes, DSUs send Test mode
conditions across multiple links. Test mode is not sent over a circuit configured for disruptive diagnostics.
Yes – Set this configuration option to Yes to extend main channel connectivity between the DTE ports of the tributary and
extended DSU in an extended network. A tributary DSU sends Test mode conditions downstream, and a control DSU
receives/accepts the Test mode condition.
No – Set this configuration option to No if you do not have an extended network. A control DSU does not receive/accept
the Test mode condition; the condition is ignored.
1
When in MCMP or TDM mode, using a multipoint single-port device, or Diag Type is set to Disr or None, this
configuration option does not appear. Instead, it is displayed in the MUX Port configuration options under Port 1.
Ports 2 – 6 must be set independently. See Document No. 3610-A2-GB48 for MUX Configuration Options.
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