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Software release
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- 2-port and 4-port: JUNOS 5.3 and later
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Description
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- Two or four Gigabit Ethernet ports
- Power requirements:
- 2-port: 0.35 A @ 48 V (17 W)
- 4-port: 0.40 A @ 48 V (19.2 W)
- Supports large Ethernet frame sizes for more efficient
throughput across the intra-POP network
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Hardware features
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- High-performance throughput on all ports at speeds up
to 1 Gbps
- Autonegotiation between Gigabit Ethernet circuit partners
- Full-duplex mode
- Maximum transmission units (MTUs) of up to 9192 bytes
Note: If you use a 4-port Gigabit Ethernet PIC on a Juniper
Networks M160 router, the MTU will decrease to 4500 bytes.
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Software features
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- Virtual Router Redundancy Protocol (VRRP) support
- 802.1Q virtual LANs (VLANs) support
- 64 source MAC address filters per port
- 960 destination MAC filters per port
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Cables and connectors
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- Duplex SC connector (TX and RX)
- Optical interface support—see Table 5
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LEDs
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Status LEDs, one bicolor:
- Off—PIC not enabled
- Green—PIC is operating normally
- Red—PIC has an error or failure
Port LEDs, one pair per port:
- Link—If green, the port is online; if there is no
light, the port is down
- Activity—If flashing green, the port is receiving
data; if there is no light, the port might be on, but is not receiving
data
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