Juniper EX4550 - Page 139

Table 55: QSFP+ Direct Attach Cable Specifications (continued)
ValueSpecificationModel Number
40-Gbps full-duplex serial transmissionRateQFX-QSFP-DAC-1M
Copper pigtailConnector type
3.3 VSupply voltage
0.015 WPower consumption (per end)
–40
°
C through 85
°
CStorage temperature
TwinaxCable type
30 AWGWire AWG
2.54 cm (1 in.)Minimum cable bend radius
100 ohmsCable characteristic impedance
1% maximumCrosstalk between pairs
4.3 nsec/ftTime delay
1 m (3.28 ft)Length
40-Gbps full-duplex serial transmissionRateQFX-QSFP-DAC-3M
Copper pigtailConnector type
3.3 VSupply voltage
0.015 WPower consumption (per end)
–40
°
C through 85
°
CStorage temperature
TwinaxCable type
30 AWGWire AWG
2.54 cm (1 in.)Minimum cable bend radius
100 ohmsCable characteristic impedance
1% maximumCrosstalk between pairs
4.3 nsec/ftTime delay
3 m (9.84 ft)Length
117Copyright © 2015, Juniper Networks, Inc.
Chapter 8: Transceiver and Cable Specifications