Upgrade an ITG Trunk 1.0 node to support ISDN signaling trunks Page 239 of 378
ITG Trunk 2.0 ISDN Signaling Link (ISL) Description, Installation and Operation
5Pull the top and bottom locking devices away from the ITG faceplate.
Insert the ITG card into the card slots and carefully push it until it
makes contact with the backplane connector. Hook the locking
devices.

Install the DCHIP I/O Panel breakout cable from the upgrade

kit

The breakout cable provides one D-channel connector.
If you are installing the DCHIP upgrade kit for the NTCW80AA 8-port ITG
Trunk card, use the NTCW84MA I/O Panel breakout cable.
If you are installing the DCHIP upgrade kit for the NTCW80CA 8-port ITG
Trunk card, use the NTCW84LA I/O Panel breakout cable.
1For the large system, locate the I/O connector that corresp onds to the
leftmost card slot of the ITG 8.0 port that is undergoing the hardware
upgrade.
2Disconnect existing ELAN and serial cables. Remove the existing I/O
panel breakout cable.
3Install the new cable (NTCW84LA or NTCW84MA). Be sure to u se the
screw provided.
4Reconnect ELAN and serial connectors. For NTCW80CA car ds, ins tall
a shielded TLAN cable.
5Turn to “Install filter and NTND26 cable (for MSDL and DCHIP cards
in same Large System equipment row)” on page169 to install the
DCHIP connector and MSDL cable.
Upgrade the 8-port ITG basic trunk software toITG ISL trunk software
You use the MAT ITG Basic Trunk application to perform this procedure.
Once you have upgraded to MAT 6.6 or later, all the configuration data for
the ITG Trunk node will have been converted.