Chapter 3 - Configuring Network Use

To configure crypto resync:

1.Go to System Info > Admin Setup > Security > Crypto Resync.

2.Configure these settings:

Setting

Description

 

 

Crypto Resync

Allows a system connected to cryptographic equipment to

 

signal when it loses video synchronization during a call.

 

The cryptographic equipment can then resynchronize

 

with the far end.

 

When this option is enabled, the resynchronization pulses

 

are sent out on the RTS signal.

 

To use this option, the cable to your cryptographic

 

equipment should route the V.35/RS-449/RS-530 network

 

interface module’s RTS signal to the appropriate resync

 

input on the cryptographic equipment. The equipment’s

 

RTS input can be connected to the V.35/RS-449/RS-530

 

network interface module’s DTR output or tied high.

 

 

Time Between Pulses (sec)

Specifies the time between resync pulses in seconds.

 

 

Pulse Width (millisec)

Specifies the pulse duration in milliseconds.

 

 

You may need to use crypto resync when you connect a cryptographic coder/decoder between the system and the network. This allows the system to signal the cryptographic device when video synchronization is interrupted.

© Polycom, Inc.

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Polycom VS4000 manual To configure crypto resync, Go to System Info Admin Setup Security Crypto Resync
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VS4000 specifications

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