Parameters
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PTN 7900E-12
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PTN 7900E-24
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PTN 7900E-32
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Switching Capacity
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12 Tbit/s
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24 Tbit/s
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32 Tbit/s
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Number of Slots
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12 processing board slots, 2 switching board slots, 2 main control board slots, 2 PIU board slots, 2 fan module slots
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24 processing board slots, 2 switching board slots, 2 main control board slots, 8 PIU board slots, 4 fan module slots
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32 processing board slots, 7 switching board slots, 2 main control board slots, 10 PIU board slots, 1 EMI filter board slot, 4 fan module slots
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Interface Capacity per Device
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200 GE optical: 24
100 GE optical: 96
50 GE optical: 96
40 GE optical: 24
25 GE optical: 288
10 GE optical: 288
GE optical: 288
GE electrical: 24
FE optical: 24
E1: 126
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200 GE optical: 48
100 GE optical: 192
50 GE optical: 192
40 GE optical: 48
25 GE optical: 384
10 GE optical: 576
GE optical: 576
GE electrical: 48
FE optical: 576
FE electrical: 48
E1: 252
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200 GE optical: 64
100 GE optical: 256
50 GE optical: 256
40 GE optical: 64
25 GE optical: 512
10 GE optical: 768
GE optical: 768
GE electrical: 48
FE optical: 768
FE electrical: 48
E1: 252
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Subrack Dimensions (W x D x H)
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496 x 310 x 697.2 mm (15U)
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496 x 310 x 1385 mm (31U)
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496 x 310 x 1900 mm (42U)
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Weight (Empty Loaded)
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45 kg
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95 kg
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118 kg
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Working Voltage
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48 V DC: –40 V to –57.6 V
–60 V DC: –48 V to –72 V
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–48 V DC: –40 V to –57.6 V
–60 V DC: –48 V to –72 V
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–48 V DC: –40 V to –57.6 V
–60 V DC: –48 V to –72 V
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Standard Power Consumption
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1666 W
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2139 W
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3324 W
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Environment Requirements
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Long-term working temperature: –5ºC to 50ºC
Storage temperature: –40ºC to 70ºC
Relative humidity: 5% to 100% Long-term working altitude: ≤ 4000 m
Storage altitude: < 5000 m
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Long-term working temperature: –5ºC to 45ºC
Storage temperature: –40ºC to 70ºC
Relative humidity: 5% to 100% Long-term working altitude: ≤ 4000 m
Storage altitude: < 5000 m
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Long-term working temperature: –5ºC to 45ºC
Storage temperature: –40ºC to 70ºC
Long-term relative humidity: 5% to 95%
Storage relative humidity: 5% to 100% Long-term working altitude: ≤ 4000 m Storage altitude: < 5000 m
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Service Types
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E-Line, E-LAN, L3VPN, and CES
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Service Protection
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LMSP, LAG, LSP APS, PW APS, ring network protection, IP/VPN FRR, and VRRP
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