Routing Matrix FPC Numbering

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A routing matrix can contain up to four T640 routing nodes, and each T640 routing node can contain up to eight FPCs (numbered 0 through 7). Therefore, the routing matrix as a whole can consist of up to 32 FPCs (numbered 0 through 31).

Each T640 routing node is assigned a number (LCCs 0 through 3) that depends upon the hardware setup and connectivity to the TX Matrix platform. Table 1 shows the basic correspondence between the FPC hardware slot numbers in T640 routing nodes and the FPC assignments recognized by a routing matrix.

Table 1: FPC Correspondence Between T640 Routing Nodes and the Routing Matrix

T640 Routing Node	T640 FPC Range	Routing Matrix FPC Range
LCC 0	0–7	0–7
LCC 1	0–7	8–15
LCC 2	0–7	16–23
LCC 3	0–7	24–31

To easily convert FPC numbers in the T640 routing nodes to the correct FPC number in a routing matrix, use the conversion chart shown in Table 2. You can use the converted FPC number to configure the interfaces on the TX Matrix platform in your routing matrix.

Table 2: T640 to Routing Matrix FPC Conversion Chart

FPC Numbering	T640 Routing Nodes
	LCC 0
T640 FPC Slots	0	1	2	3	4	5	6	7
Routing Matrix FPC Slots Equivalent	0	1	2	3	4	5	6	7
	LCC 1
T640 FPC Slots	0	1	2	3	4	5	6	7
Routing Matrix FPC Slots Equivalent	8	9	10	11	12	13	14	15
	LCC 2
T640 FPC Slots	0	1	2	3	4	5	6	7
Routing Matrix FPC Slots Equivalent	16	17	18	19	20	21	22	23
	LCC 3
T640 FPC Slots	0	1	2	3	4	5	6	7
Routing Matrix FPC Slots Equivalent	24	25	26	27	28	29	30	31

Routing Matrix FPC Numbering

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