Nortel Networks DCT1900 - Manual (Page 220)

Technical Product Manual - DCT1900
Installation Instructions, AWS1024 Meridian, AWS1025 Norstar, AWS1026 Lucent
15-2 Install-DCT1900/R8/mw
© 2000-2005
15.3 Installation
1. Insert the DLU on to the card guide in the selected board position.
2. Gently push the board into the backplane connector until it locks. Don’t use too much force.
3. Connect the connectors from cable set AWS1019 to the front of the board according to the
numbered positions.
15.4 Programming
CPU Settings
The information below is for a Stand Alone Radio Exchange strapped as a Master.
The CPUs frame timing sychronization source strap must be strapped to sync externally. If the
Radio Exchange has a DTU, it will synchronize from this link first. If no DTU is present, it will use
the DLU link for synchronization. See Figure 5-1, Chapter 5, Section 5 and Figure 6-2, Chapter 6,
Section 5 for further strap guidance for CPU1 and CPU2.
Set-Up
The following must be connected and set-up before you can update the DLU.
z Make sure the Radio Exchange is powered on the CPU1 is at least release R5C or higher, and
the CPU2 is at least R2A or higher.
z DLU must be inserted into the Radio Exchange.
z DLU interface cable must be connected from an available COM port on the PC to the front
COM port of the DLU being updated.
<Application>.hex Version Download Procedure
Before continuing, make sure all requirements listed above are met. The following steps will
explain how to donwload the newest application software for the DLU.
1. At the DLU> prompt, press da and return. Terminal should display “Erasing the download
area......” and “Begin transmission now, CTRL-C to abort” and “DLU>”
2. Press File:Send File in the Tera Term application; select the <application>.hex file you want to
download and press Open. A pop up window should display the filename you are sending
and the bytes being transferred. When the file is completely transferred (~2 min.), the window
will disappear and the board should reset. On the display you should see “>>>Boot DLU [PBX
type] Ver: Application version.....” and “DLU>”