Technical information

Technician’s Handbook
104
Test Line Indicator LEDs
After the maintenance person enters a command sequence, the MCC
LEDs display the results as explained in the following table.
Table 16: Test Line Command Codes
Numeric Alpha Command Codes Description
22 BC Busy Out Channel (Remove Channel)
26 BO Busy Out device
35 DL Dump Logs
38 DT Direct Trunk select
72 RC Return Channel
73 SD Stop Dump Logs
77 RS Return Device to Service
78 ST Stop Test Printers
82 TC Test Channel
83 TD Test Device
872 TPB Test Printer Bay_Slot_Circuit
873 TPE Test Printer Extension_Number
877 TPP Test Printer Port