iDCS 500 Release 2 / OfficeServ INSTALLATIONTECHNICAL MANUAL PART 3 MARCH 20043.53.2 SCP2 CARD (see Figure 3–3)The iDCS 500 Expansion Control Processor (SCP2) is used when the system isexpanded to more than one cabinet or when L version software is used in a singlecabinet system In a multiple cabinet system the SCP2 becomes the processor for thefirst iDCS 500 cabinet and communicates via a high speed data link to the MCP2. TheSCP2 installs in the ninth (9) slot in the first cabinet. The SCP2 can have three daughterboards installed as indicated by the table below.SWITCH CONTROL PROCESSOR (SCP2) DAUGHTER BOARD CAPABILITIESPosition Types of Daughter Boards allowed per positionSCP2 – D1 MFM, SCM, RCMSCP2 – D2 MFM, SCM, RCM and MISCSCP2 – D3 MFM, SCM, RCMNOTE: Only one of any type of daughter board may be installed on any processorcard.Only an SCM or MFM can be installed on the SCP2 not both.NOTE: Do not insert this card with system power ON.There are 12 LED indicators on the front of the SCP2 card. The uses are as follows:• TX: SCP2 HDLC TX (Transmit) StatusOFF indicates that there is no link from the MCP2 cardON indicates that the link from the MCP2 card is being set upFlicker indicates a message has been transmitted.• RX: SCP2 HDLC RX (Receive) StatusOFF indicates that there is no link from the MCP2 cardON indicates that the link from the MCP2 card is being set upFlicker indicates a message has been received.• SCP SCP2 Processor StatusOFF indicates that Power is OFFON indicates that the SCP2 is bootingFlicker indicates normal operation.• S1~S8 Card StatusOFF indicates that the card is idle or not installedON indicates that one or more circuits on the card are in useFlicker indicates a problem with the card.• S9 Not Used.