COMSPHERE 392xPlus Modems
Table
(3 of 3)
Miscellaneous Configuration Options Ð Singleport Mode A
NetworkPosition: Tributary
End Tributary Control
Network Position Identification. Each modem must be identified either as a control modem or a tributary modem.
NOTE: Changes to this configuration option will cause the modem to reset.
NOTE: This configuration option is only applicable for
For the Model 3920Plus, Tributary is the factory default.
For the Model 3921Plus, Control is the factory default.
The AT command for Tributary is S74=0.
The AT command for Control is S74=1.
NetMngmtAddress: 256
Nxt " 256
This configuration option is not available in
Network Management Address. Determines the address used when accessing a modem from the NMS or when using DCP functions that require network management addresses. Within a network link, a control modem can communicate with a tributary modem by using the tributary modem's network management address. Each TMp tributary modem must have a different network management address. Address values range from 001 to 256.
NOTE: Changes to this configuration option will cause the modem to reset.
Diag Connection: Modem(DC)
Nxt Modem(DC) NMS(CC) Disable
This configuration option does not appear when the LeaseLine Rate is configured for TMp and the NetworkPosition is configured for Tributary.
Diagnostic Connection. Allows the configuration of the serial diagnostic port of the modem to be either a diagnostic channel that is connected to another modem (DC), or a control channel that is connected to a network management device (CC).
NOTE: Changes to this configuration option will cause the modem to reset.
Modem (DC) ± Selects the Diagnostic Channel.
NMS (CC) ± Selects the Control Channel.
Disable ± Prevents messages being sent from the diagnostic port.
The AT command is
Link Delay(sec): 0 1
Nxt 0 1 2 5 10 20 50
Link Delay Seconds. Controls the length of time (in seconds) a modem will wait for responses from the downstream devices. This configuration option is used to calculate protocol timers for polling and normal selection.
NOTE: The estimated roundtrip delay in the diagnostic link is entered.
Security Ð Singleport Mode A
The Security configuration options allow you to set the parameters that control how a dial access security password is entered. For security configuration options, refer to Chapter 6, Dial Access Security.
November 1996 |
