10.1 L
10.1.1 LED Indication
Description
The LED of the Message/Ringer Lamp and the following buttons (Line Status Buttons and Corresponding
Extension Status Button) can indicate line status with a variety of light patterns.
Line Status Buttons: S-CO, G-CO, L-CO,
INTERCOM, ICD Group, PDN
Corresponding Extension Status Button: DSS, SDN
1. Light Pattern of the Message/Ringer Lamp
[Digital proprietary telephone (DPT)]
• Incoming call from a CO line: Red flashing
• Incoming call from another extension: Green flashing
• Message(s) present (no incoming call): Red on
• No message(s) present (no incoming call): Off
[Analog proprietary telephone (APT)]
• Incoming call: Red flashing
• Message(s) present (no incoming call): Red on
• No message(s) present (no incoming call): Off
178 Feature Manual Document Version 2010-11
10.1.1 LED Indication
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