| Monaco Technical Reference | Spectrum Signal Processing | 
Processor Nodes
Pin assignments for the serial ports are given in the following tables.
Table 6 PEM Connections for Serial Port 0 and 1
| Signal | 
 | PEM 1 Port 0 | PEM 2 Port 1* | 
| 
 | 
 | 
 | 
 | 
| CLKS | External clock | 56 | 17 | 
| 
 | 
 | 
 | 
 | 
| CLKR | Receive clock | 52 | 13 | 
| 
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 | 
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| CLKX | Transmit clock | 42 | 3 | 
| 
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 | 
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| DR | Received serial data | 48 | 9 | 
| 
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 | 
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| DX | Transmitted serial data | 46 | 7 | 
| 
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 | 
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| FSR | Receive frame synchronization | 50 | 11 | 
| 
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 | 
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| FSX | Transmit frame synchronization | 44 | 5 | 
| 
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 | 
 | 
 | 
*The serial port routing jumper corresponding to the node (J7, J8, J9, or J10) must be OUT for port 1 to be routed to the node’s PEM 2 connector.
Table 7 VME and PMC Connections for Serial Port 1
| 
 | 
 | Node A (J7 IN) | Node B (J8 IN) | Node C (J9 IN) | Node D (J10 IN) | ||||
| Signal | 
 | PMC JN5 | 
 | PMC JN5 | PMC JN5 | PMC JN5 | |||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
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| CLKS | External clock | 1 | 21 | 2 | 22 | ||||
| 
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| CLKR | Receive clock | 5 | 25 | 6 | 26 | ||||
| 
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| CLKX | Transmit clock | 9 | 29 | 10 | 30 | ||||
| 
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| DR | Received serial data | 11 | 31 | 12 | 32 | ||||
| 
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| DX | Transmitted serial data | 13 | 33 | 14 | 34 | ||||
| 
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 | 
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| FSR | Receive frame synchronization | 15 | 35 | 16 | 36 | ||||
| 
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| FSX | Transmit frame synchronization | 17 | 37 | 18 | 38 | ||||
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| 18 | Part Number  | 
| 
 | Revision 2.00 |