atcomsystems.ca/forum Forums TDM Business Telephone Systems Mitel Telephones & Systems SX-200 EL **Carded Express Messenger**

just hook up a regular null modem cable. hook up procomm/hyperterminal
2 formats
hyatt encore = 1200,E,7,1
HIS = 2400 E,7,1

Make sure you enable it in 999 admin box

Actually the best test to make sure your cable is good is to go into MBX 999 and turn on express manager - if you can get into programming the vmail with that cable---then the cable is good.