Juniper DPCE-R-40GE-TX ユーザーズマニュアル
Gigabit Ethernet Enhanced Queuing IP Services DPCs with SFP
Figure 2: 40-Port Gigabit Ethernet Enhanced
Queuing IP Services DPC with SFP
Queuing IP Services DPC with SFP
Figure 1: 20-Port Gigabit Ethernet Enhanced
Queuing IP Services DPC with SFP
Queuing IP Services DPC with SFP
1/0
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20-port: Junos OS Release 9.1 and later
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40-port: Junos OS Release 8.5 and later
End-of-life (see notification
Software release
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20 or 40 Gigabit Ethernet ports
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Power requirement:
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20-port: 4.2 A @ 48 V (200 W)
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40-port: 7.6 A @ 48 V (365 W)
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Weight:
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20-port: 13 lb (5.9 kg)
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40-port: 13.1 lb (5.9 kg)
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Supports large Ethernet frame sizes for more efficient throughput across the intra-POP network
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Model numbers:
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20-port: DPCE-R-Q-20GE-SFP
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40-port: DPCE-R-Q-40GE-SFP
Description
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High-performance throughput on each port at speeds up to 1 Gbps
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Autonegotiation between Gigabit Ethernet circuit partners
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Full-duplex mode
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Maximum transmission units (MTUs) of up to 9192 bytes
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Enhanced ASICs for increased performance and scalability of Layer 2 features
Hardware features
Copyright © 2013, Juniper Networks, Inc.
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