S12800 Routing Switch Installa
tion Manual V1.0
Maipu Confidential & Proprietary Information
Page 13
1.4 Introduction to LPU card
LPU: Line Processing Unit subscriber line interface card. It provides various interface shapes
for the user to select, meeting various application scenario requirements.
The appearance diagram of the LPU card is as follows:
Figure 1-5 The appearance diagram of the LPU card
1. Captive screw
2. Card puller
3. Function port
4. LPU card status indicator
1.5 Introduction to SAIC Card
SAIC: System Alarm Interface Card
The SAIC card is used by SM12800-12-MF (V1) and one is mandatory. It indicates the system
working status via the LED indicator.
The appearance diagram of the SAIC card is as follows:
Figure 1-6 The appearance diagram of the SAIC card
1.Captive screw
2.Function port
3.Card puller
4.System status indicator
5. Device power switch button