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Operations Interfaces

6-8 Issue 8.0 July 2002

Local Access Through the CIT (DCE) Port 6

The FT-2000 OC-48 Lightwave System supports CIT local access through the

CIT (DCE) port on the user panel of the Low Speed Shelf - System Controller and

the Repeater Shelf - System Controller. The CIT (DCE) port is configured as data

circuit equipment (DCE) for direct CIT access. This port is also compatible with

the ASCII EIA-232-D standard.

The CIT (DCE) port allows a PC running FT-2000 CIT-PC software to

communicate with the FT-2000 OC-48 Lightwave System using the F-interface

protocol. A PC running FT-2000 CIT-PC software automatically selects the

highest usable baud rate (up to 9600 baud).

In Release 5 and later releases, the CIT (DCE) port can be provisioned using the

SECURITY-Set-Security-Port input or ENT-CID-SECU TL1 command to

allow a PC running CPro-2000 software or an ASCII-based terminal to access the

FT-2000 OC-48 Lightwave System. A PC running CPro-2000 software or an

ASCII-based terminal communicates with the FT-2000 OC-48 Lightwave System

using the same TL1 message set (excluding autonomous messages) as the

message-based operations system interface (X.25/TL1). For more information

about provisioning and the SECURITY-Set-Security-Port input, refer to

Volume I, Section 8, "Administration and Provisioning."

For more information about local access using the CIT (DCE), refer to the

"Operation and Maintenance (TOP)" section (Volume II).

Dial-Up Access Using a Modem Through the CIT

(DTE) Port 6

The FT-2000 OC-48 Lightwave System supports CIT dial-up access using a

modem through the CIT (DTE) port on the interconnection panel of the Low

Speed Shelf - System Controller and the Repeater Shelf - System Controller. The

CIT (DTE) port is configured as data terminating equipment (DTE) to allow a

permanent connection to a modem. The CIT (DTE) port also allows local access

using a null modem adapter. This port is also compatible with the ASCII

EIA-232-D standard.

The CIT (DTE) port allows a PC running FT-2000 CIT-PC software to