Page 640 - 5G Basics - Core Network Aspects

2 Transport aspects

Table 7-3 – supra-2.488G CBR clients

Nominal bit rate Bit-rate tolerance
[CPRI] client signal
(kbit/s) (ppm)
Option 4 3 072 000 0.002
Option 5 4 915 200 0.002
Option 6 6 144 000 0.002

Option 7 9 830 400 0.002
Option 8 10 137 600 0.002
Option 9 12 165 120 0.002
Option 10 24 330 240 0.002

Table 7-4 shows the replacement signal for CPRI clients.

Table 7-4 – Replacement signal for CPRI clients

[CPRI] client signal Replacement signal Bit-rate tolerance (ppm)
Option 1 Link fault 100
Option 2 Link fault 100
Option 3 Link fault 100
Option 4 Link fault 100
Option 5 Link fault 100
Option 6 Link fault 100
Option 7 Link fault 100
Option 8 TBD 100
Option 9 TBD 100
Option 10 TBD 100

Table 7-5 shows the number of tributary slots required for ODUj into HO OPUk and OPUCn.

Table 7-5 – Number of tributary slots required for ODUj into HO OPUk and OPUCn

# 2.5G tributary
# 1.25G tributary slots # 5G tributary slots
slots
LO ODU OPU2 OPU3 OPU1 OPU2 OPU3 OPU4 OPUCn
– [CPRI]

ODUflex(CBR)
– ODUflex(option 4) – – – 3 3 3 1
– ODUflex(option 5) – – – 4 4 4 1
– ODUflex(option 6) – – – 5 5 5 2
– ODUflex(option 7) – – – 8 8 8 2
– ODUflex(option 8) – – – – 9 8 2
– ODUflex(option 9) – – – – 10 10 3
– ODUflex(option 10) – – – – 20 19 5
Table 7-6 shows Cm and Cn (n = 8) for ODUj into ODTU2.M.

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