ADTRAN ISU 512 user manual Sec or EON default, Wait for EON, Security, 25 bis

Chapter 5: Configuration

5 sec or EON (default)

The ISU 512 assumes the dial string is fully entered if more than 5 seconds elapse since input of the last digit, or an EON command is received. This is the factory default setting.

10 sec or EON

The ISU 512 assumes the dial string is fully entered if more than 10 seconds elapse since input of the last digit, or the unit receives the EON command.

20 sec or EON

The ISU 512 assumes the dial string is fully entered if more than 20 seconds elapse since input of the last digit, or the unit receives the EON command.

Wait for EON

The ISU 512 assumes the dial string is fully entered only if the unit receives the EON command.

See the section RS-366 Y Cable in this chapter for information on enabling the RS- 366 Y cable for dual-port video applications.

Security

This option should remain disabled for all normal commercial applications. It is designed for use with only a few specialized military applications and is not described in this manual. For more information on this option, contact ADT- RAN Technical Support (see the inside back cover).

V.25 bis

Configuring the ISU 512 for HDLC V.25 bis enables in-band dialing over a DTE interface using standard synchronous HDLC V.25 bis commands with Mark Idle. Configuring the ISU 512 for HDLC(FLAGS) V.25 bis enables in- band dialing over a DTE interface using standard synchronous HDLC V.25 bis commands with 7E HEX idle. V.25 bis can be used to establish and end a call. Calls can be disconnected using the front panel, a VT 100 terminal, or from the far-end unit. See Configuring the ISU 512 for V.25 bis In-band Dialing in this chapter for more information.

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