Evolution® IP-20LH Installation Guide
Ceragon Proprietary and Confidential Page 19 of 101
2.3 Radio Interface Cards (RMCs)
Radio Interface Cards (RMCs) provide the modem interface between the IDU
and the XCVR. The 1RU chassis can accommodate up to four RMCs. The 2RU
chassis can accommodate up to eight RMCs.
The RMC card is called RMC-E and it supports up to 4201 QAM (with ACM), as
well as Header De-Duplication. The RMC-E also supports XPIC, with up to 4201
QAM.
RMC-E also includes an STM-1 interface for both radio and native TDM
support.
RMCs can be placed in any slot except the TCC slot (slot 1 and, in a 2RU
chassis, slot 11). RMCs use a TNC interface to connect to the XCVR.
RMC-E Detailed View
The RMC-E provides the following LEDs:
ACT – Indicates the card status.
LINK – Indicates the status of the radio link.
RFU – Indicates the status of the XCVR.
STM-1/OC3 – Indicates the status of the STM-1/OC3 interface.
RMC LEDs
The RMC is not functioning normally.
The RMC is functioning normally.
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