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DC640 Installation Notes:
1. The Primary Number must always be provisioned as Key 1.
2. The Voice Mail Key must be provisioned as Key 12.
3. This telephone set is polarity sensitive and will not operate if Tip and Ring are reversed at
the wall jack. It is recommended to only use the 15' line cords provided with each telephone.
These are 6 conductor line cords that also supply AC power to the telephone.
5025 Galley Road Colorado Springs CO 80915 • 1.800.462.9446 • 719.638.8757 fax • www.telematrixusa.com
Digital Centrex DC640 Console Telephone
Provisioning Instructions
Speaker
Headset
on/off
Key10
Key 12
Key 9
Voice Mail
Key 8
Key 7
Key 6
Key 5
Key 4
Key 3
Key 2
Key 1
TeleMatrix DC640 Console
Primary Number
Key 44
Key 29
Key 28
Key 43
Key 27
Key 42
Key 41
Key 26
Key 40
Key 25
Key 39
Key 24
Key 38
Key 23
Key 22
Key 37
Key 36
Key 21
Key 35
Key 20
Key 19
Key 34
Key 33
Key 18
Key 32
Key 17
Key 31
Key 16
Key 15
Key 30
L a y o u t
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