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Tri-Rate Enhanced DPC
Software release | - Junos OS Release 9.1 and later
|
Description | - 40 autonegotiating 10BASE-T,
100BASE-TX, or 1000BASE-T Megabit Ethernet ports
- Power requirement: 6.67 A @ 48 V (320 W)
- Weight: 14.5 lb (6.6 kg)
- Supports large Ethernet frame sizes for more efficient
throughput across the intra-POP network
- Model number: DPCE-R-40GE-TX
|
Hardware features | - High-performance throughput on each port at speeds of
10 Mbps, 100 Mbps, or 1000 Mbps
- Autonegotiation between Gigabit Ethernet circuit partners
- Full-duplex mode
- Maximum transmission units (MTUs) of up to 9192 bytes
- Enhanced ASICs for increased performance and scalability
of Layer 2 features
- The ports are grouped in sets of four and labeled:
- 0/0 through 0/9
- 1/0 through 1/9
- 2/0 through 2/9
- 3/0 through 3/9
|
Software features | |
Cables and connectors | - Connector: Four-pair, Category 5 shielded twisted-pair
connectivity through an RJ-45 connector
- Pinout:
- Junos OS Release 9.1: MDI
- Junos OS Release 9.2 and later: MDI, MDI crossover
- Maximum distance: 328 ft/100 m
Caution:
Do not use RJ-45 cables with strain-relief boots exceeding
1.5 mm from the bottom of the connector. Cable boots that exceed
this measurement can damage the port. |
LEDs | OK/FAIL LED, one bicolor: - Steady green—DPC is functioning normally.
- Blinking green—DPC is transitioning online or offline.
- Red—DPC has failed.
ACT LED, one green per port: - Off—No active traffic.
- Blinking—Link is active.
- Green—DPC is functioning in 1000BASE-T mode.
- Yellow—DPC is functioning in 10BASE-T or 100BASE-TX
mode.
- Off—No link.
The ACT and SPD LEDs are located on either
side of the ports labeled horizontally and top to bottom 0/0 through 3/9. |
Published: 2011-12-21
Copyright© 1999-2012 Juniper Networks, Inc. All rights reserved.
