Filter
Top Products
ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance
2-311
© 2000, ADC Telecommunications, Inc.
TAP-103
Page 1 of 1
LOCAL CRAFT INTERFACE CONNECTION TROUBLESHOOTING
This TAP describes how to troubleshoot local Craft Interface connections.
1. Verify that you have the correct cable and connectors for the port you intend to use:
• A straight-through RS-232 25-pin D-sub female connectorized cable is required to
connect to the MPU.
• A null-modem RS-232 25-pin D-sub female connectorized cable is required to connect
to chassis Port 2 or 3.
Reference
: DLP-504 Local Craft Interface Connection
2. Verify that the cable length is correct for your application by referring to the EIA-232
protocol. The maximum length is 50 feet.
3. Verify that the cables and connectors are in good working condition.
4. Verify that you are using a control terminal (VT-100 or equivalent) or a host computer with
VT-100 emulation.
5. Verify that the MPU is functioning properly by re-installing it. This procedure is non-
service-affecting.
Reference
: DLP-502 MPU Installation and Testing
Reference
: DLP-519 MPU Replacement and Testing
6. If you are using chassis Port 2 or 3 and are unable to logon to the local Craft Interface after
following Steps 1 through 5:
• Verify that Port 2 or 3 is configured for CRAFT through a connection to the MPU Craft
Port.
Note:
Ports 2 and 3 must be configured through the Craft Interface first before they can
be used because they do not default to CRAFT.
Reference
: DLP-504 Local Craft Interface Connection
Reference
: DLP-549 Serial Port Configuration
7. If you are using the MPU Craft Port and are unable to logon to the local Craft Interface
after following Steps 1 through 6:
• Check your records to see if the MPU has been reconfigured for a different interface
than Craft, such as a TBOS or TL1 interface.
Note:
The MPU Craft Port defaults to CRAFT but can also be configured for TBOS,
TL1 or NONE. Refer to the TBOS and TL1 sections in this manual for additional
information.
Reference
: DLP-549 Serial Port Configuration