Installing Cards
DSX-80/160 Hardware Manual Installation ◆ 35
Installation
Installing 16COIU and 8COIU Analog Line Cards
The 16COIU connects 16 analog loop start lines. The 8SCOIU connects 8 analog loop start lines.
To install a COIU Card:
1. Turn to System Preparation (page 21) to be sure you haven’t exceeded the allowable system load factor.
2. Plug a COIU Card into any available slot from CN2-CN8.
- You should reserve CN1 for a 16ESIU Card.
3. Set the mode switch on each installed COIU Card to Run.
Figure 17: Installing a 16COIU or 8COIU Analog Line Card
1093096 - 17
DSX-80 4-Slot KSU Shown
Notes:
• The system will respond to telco ring signal in
the range of 42-103 VAC @ 20 Hz.
• Telco battery must be 44-56 VDC.
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