Avaya Configuring WAN Lines Services Manual de usuario Pagina 70

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Configuring WAN Line Services
2-22
308648-14.00 Rev 00
Figure 2-2. KG84A Network Configuration
The Nortel Networks router attaches to the KG84A device using a modified V.35
synchronous cable. The encryption/decryption process is usually transparent to
the router. However, occasionally, two KG84A devices can lose cryptographic
synchronization. When this occurs, the modified cable allows the router to initiate
cryptographic resynchronization. The modified cable also allows the router to
detect and monitor the local KG84A device resynchronization, whether the
resynchronization is initiated locally or remotely by a KG84A device.
The router detects the loss of synchronization between KG84A devices by
monitoring the number of FCS errors and valid frames received. If the router
detects FCS errors and it does not receive a valid frame within a time period you
specify, the router requests resynchronization. The router also requests
resynchronization if it determines that the previous resynchronization request was
not completed in the specified time period.
You can also force a resynchronization of the local KG84A device by pressing its
RESYNC button. The router can detect this type of remote resynchronization and
can request a new one if resynchronization is not completed in the specified time
period.
Use the following parameters in the Edit SYNC Parameters window to configure
KG84A support on synchronous lines that connect to KG84A cryptographic
devices:
KG84A Cycle
KG84A Sync Loss Interval
KG84A Remote Resync Wait
KG84A Sync Pulse
Note:
Be sure to also set the RTS Enable parameter to Enable.
Router
KG84A
KG84A
Router
MODEM
MODEM
LS0017A
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