Raisecom RC801 User Manual

Also see for RC801: User manual

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Raisecom RC801 User Manual Manual pdf 10 page image

Raisecom Technology Co., Ltd94.2. Introduction of the Rear PanelFigure 4. RC800-240B standalone PDH multiplexer4.2.1. Power SwitchThis switch is used to turn on/off the power supply.4.2.2. Power SocketAC: 220V standard triple-phase power socketDC: -48V power interface. Left pin for -48V, right pin for 0, and the middle pin for ground4.2.3. E1 InterfaceThere is a DB37 male connector at the rear panel, providing the 1 st – 4th E1 channelsinterfaces. Please refer to Appendix B for cable making.• When adopting 75 Ohm connector, it is required to plug a DB37 to 8 CC3 coaxialadapter, which is of CC4B-8G type. From the left is the 1st – 4th E1 channel. The upperrow is for OUT signals and the lower row is for IN signals.• It is not required to plug adapters when adopting 120 Ohm connector.4.2.4. The Expansion Slot 1 and Slot 2RC800-240B series provide two expansion slots for accommodating various kinds ofexpansion sub-modules. Thus they can provide great configuration flexibility to satisfyusers’ requirements. The typical configurations are as follows.ConfigurationType SLOT 1 SLOT 2 TransmissionCapacityBasic Capacity Empty Empty 4 E1Max CapacitySUBM-4E1sub-module (5th –8th E1 channels)Empty 8 E1Ethernet or V.35sub-module(occupy 5th E1channel)Ethernet or V.35sub-module (occupy8th E1 channel)Multi-serviceConfiguration Fast Ethernetsub-module(occupy 5th – 8th E1channels)Empty4 E1 plusmulti-serviceinterface