Design Benefits - Lucent Technologies MERLIN LEGEND Release 5.0 Pocket Reference

If all three thresholds are set to the same value, the result is one
threshold only. If two values are the same, then the result is two
alarm levels. The factory setting is one call for all three
thresholds.
An external alert only signals when the number of calls in the
queue exceeds the programmed Threshold 3 value.
MLX-5 and MLX-5D Telephones. The MLX-5 nondisplay and
the MLX-5D display telephones are compatible with all system
releases. The display telephone includes a 2-line by
24-character display, and both telephones come with 5 line
buttons. In systems prior to Release 5.0, the MLX-5 and MLX-
5D telephones are treated as MLX-10 and MLX-10D telephones
respectively. As of Release 5.0, the system recognizes the
MLX-5 and MLX-5D telephones as 5-button telephones.

Design Benefits

Modular components allow easy, cost-effective growth in both size and
function. For upgrades from the MERLIN LEGEND Communications
System, all wiring and analog MERLIN system telephones can be reused.
For upgrades from the MERLIN II Communications System, certain trunk
and extension modules can also be reused. The modules are 800, 400,
400EM, 012, 008, and 408.
Menu-driven system programming maintains the customer's command of
business operations.
Built-in 1200/2400-bps modem allows fast access to the system by
customers, Lucent Technologies personnel, or authorized dealers from a
remote location for system programming and maintenance.
Flexible mode of operation saves upgrade costs by allowing system
configuration in one of three modes: Hybrid/PBX, Key, and Behind Switch.
(The default setting on the 3.0 processor board is Hybrid/PBX.)
Connectivity to other systems in the Behind Switch mode optimizes
existing resources by allowing the system to work as part of another
MERLIN LEGEND Communications System, System 25, System 75,
System 85, DEFINITY 75/85, or other communications system. The control
— If the number of waiting calls is greater than or equal to
the Threshold 2 value but less than the Threshold 3
value, the LED winks.
— If the number of waiting calls is greater than or equal to
the highest value, Threshold 3, the LED lights steadily.
NOTE:
A DSS (Direction Station Selector) button that is used as a
Calls-in-Queue Alarm button can only indicate two
threshold levels, either by flashing or by lighting steadily. If
a calling group must use this type of Calls-in-Queue Alarm
button, only two threshold levels should be programmed.
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