Installing 16Coiu And 8Coiu Analog Line Cards - NEC DSX-160 Hardware Manual

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.
Plug a COIU Card into any available slot from
2.
- You should reserve
Set the mode switch on each installed COIU Card to
3.
DSX-80/160 Hardware Manual
for a 16ESIU Card.
CN1
Figure 17: Installing a 16COIU or 8COIU Analog Line Card
.
CN2-CN8
Run.
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.
Installing Cards
DSX-80 4-Slot KSU Shown
Installation ◆ 35