NEC Univerge SV8100 System Hardware Manual page 177

5.2
CN2 (COTA)
Analog Trunk
Fr om Central Office
For Interface Circuit
Interface #1 - #4
4-60
CHUYÊN CUNG CẤP TỔNG ĐÀI NEC
PZ-4COTE (4 Loop Start Interface Daughter Board)
Figure 4-21 Installing the PZ-4COTE Daughter Board
5.2.1 Description
The PZ-4COTE blade provides:
♦ Four analog loop start/ground start trunk circuits
♦ Four Caller ID Circuits
♦ Connector for CD-4COTA/CD-LTA Blade
CN2 (COTE)
Installing the SV8100 Blades
http//vietpro.com.vn
UNIVERGE SV8100
Daughter Board I/F
(CD-4COTA/CD-LTA)