Operation and Maintenance
In the event of sporadic errors check the installation for earth loops.
6.5.2.3 Terminals
Table 94: Malfunctions on the terminal side
Error description Error cause / error handling
Digital system phones on the DSI bus display Not
Configured along with the node number, the slot
number and the port number.
No terminal has yet been created on the
connected port or an incorrect terminal selection
digit (TSD) has been allocated to the terminal:
• Check system and terminal configuration
• Check installation and connecting cable
System phones do not obtain any dial tone when
seizing a line; display reads Not available.
Replace phone or interface card.
Terminals with configurable dialling method
experience sporadic malfunctions whenever
control key is pressed.
System earth must not be connected on terminals
configured for MFV/DTMF (double signalling on
Flash/earth key).
Analogue terminals do not obtain a dial tone when
off-hook.
No terminal has been created on the connected
port or the terminal created has not been allocated
to a user.
• Create a terminal and allocate a user
• Check installation or connecting cable
6.5.2.4 Operating state of the Mitel DECT radio units
Each radio unit is equipped with 3 LEDs. The operating state the radio units is indicated by different
colours and flashing sequences in cycles of 1 s, specifically by one of the two outer LEDs on the SB-4+
and by both outer LEDs on the SB-8 / SB-8ANT (separately for each DSI bus). Each character (G, R or -)
corresponds to 1/8 of a second.
Example:
During the synchronization phase GGGGRRRR the LED flashes periodically. 1/2 second green, 1/2
second red.
Release 7.1
System Manual for Mitel SMB Controller 260
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