NEC Univerge SV8100 System Hardware Manual page 191

5.6 CD-PRTA (PRI/T1/E1 Interface)
5.6.1
4-74
CHUYÊN CUNG CẤP TỔNG ĐÀI NEC
Figure 4-25 CD-PRTA Blade (Front and Side View)
Please view the "SV8100 Digital Trunk Interface Card (E1) Guide"
for E-1 Setup, Connector, LED information.
Description
The CD-PRTA PRI/T1/E1 blade provides an interface for E1 and ISDN
Primary Rate Interface (PRI) applications. This blade has a single
30-channel 64Kb per second digital signal circuit configured for either E1
or PRI. Each blade connects to the network via an NT1 Network
Termination.
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UNIVERGE SV8100
Installing the SV8100 Blades