ZTE Corporation R8881S8500 사용자 설명서
ZXSDR R8881 Product Description
ZTE Confidential & Proprietary
11
2.2.4
Power Supply (PWR)
DC power supply:
Converts voltage for the system power supply
Provides the lightning protection for -48 V power supply
Provides -48 V power filter
AC power supply:
Converts voltage for the system power supply
Supports 110V/220V AC power supply
2.2.5
Lightning Protection Module (PIB)
Provides lightning protection for the AISG, RS485 and dry contacts
2.3
External Interfaces
R8881’s external interfaces are located at the bottom and side, as shown in the following
figure.