| Feature Overview | VDX 6940-144S |
| Form Factor | 2U |
| Switching bandwidth (data rate, full duplex) | 2.88 Tbps |
| Switch performance | 2.16 Bpps |
| Port-to-port latency | 800 ns |
| Dimensions and weight | Width: 44 cm (17.32 in.) |
| Height: 8.7 cm (3.41 in.) |
| Depth: 48.5 cm (19.1 in.) |
| Weight: 15.46 kg (34.1 lb) empty; 17.32 kg (38.2 lb) with media |
| 10 GbE SFP+ ports | 96 fixed 10 GbE ports and additional 48 10 GbE ports with breakout cables |
| 1 GbE SFP | 96 |
| 1/10 GBASE-T | 0 |
| 40 GbE QSFP+ | 12 |
| 100 GbE QSFP28 | 4 |
| 40 GbE Ports on Demand (PoD) | 6, 12 |
| 10 GbE Ports on Demand (PoD) | 64, 80, 96 |
| Power Supplies | Two internal, redundant, field-replaceable, load-sharing AC/DC power supplies |
| Cooling fans | 4 field-replaceable fans (FRUs); each fan FRU has 1 fan |
| Airflow | Rear-to-front or front-to-rear airflow |
Scalability Information
|
|---|
| Connector Options | Out-of-band
Ethernet management: RJ45 (fixed)
Console management: RJ45 to RS-232 (fixed)Firmware and diagnostic: USB |
| Maximum VLANs | 4,096 |
| Maximum MAC addresses | 112,000 (L2 MACs); fabric-wide 256,000 (CML) |
| Maximum port profiles (AMPP) | 512 |
| Maximum members in a standard LAG | 16 |
| Maximum per-port priority pause level | 8 |
| Maximum switches that a vLAG can span | 8 |
| Maximum members in a vLAG | 64 |
| Maximum jumbo frame size | 9,216 bytes |
| Queues per port | 8 |
| DCB Priority Flow Control (PFC) classes | 8 |
| Maximum ACLs | 10,000 |
| Maximum ARP entries | 84,000 |
| Maximum IPv4 unicast routes | 12,000 |
| Maximum IPv6 unicast routes | 3,000 |
| HA/ISSU | ISSU fully supported |
Mechanical
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|---|
| Enclosure | Front-to-rear, rear-to-front airflow; 1U (6940-36Q) and 2U (6940-144S), 19-inch EIA-compliant; power from non-port side |
Environmental
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|---|
| Temperature | Operating: 0°C to 40°C (32°F to 104°F)
Non-operating and storage: -25°C to 70°C (-13°F to 158°F) |
| Humidity | Operating: 5% to 93% at 50°C (122°F )
Non-operating and storage: 10% to 95% at 60°C (140°F) |
| Altitude | Operating: 0 to 3,000 m (9,842 ft.)
Non-operating and storage: 0 to 12,000 m (39,370 ft.) |
| Shock | Operating: 15 G, 11 ms, half-sine wave
Non-operating and storage: 33 G, 11 ms, half-sine wave, 5/ea axis, and 33 G 6 ms, trapezoidal, 1/ea axis |
| Vibration | Operating: 1 G sine, 0.5 gms random, 5 to 500 Hz
Non-operating and storage: 2.4 G sine, 1.1 gms random, 5 to 500 Hz |
| Airflow | Maximum: 370 CMH (218 CFM)
Minimum: 95 CMH (56 CFM) |
Power
|
|---|
| Power supplies | Two internal, redundant, field-replaceable, load-sharing power supplies |
| Power inlet | C13 |
| Input voltage | 100 to 240 V or 48 V DC |
| Input line frequency | 50 to 60 Hz |
| Inrush current | 40 A peak at either cold or warm start <10 ms, 10 A peak for cycles 10 ms to 150 ms, <7 A peak for >150 ms |
| Maximum current | 6 A at 100 VAC
7 A at 85 VAC |
| Typical power consumption | At 100 VAC 3.288 A, 327 W, 1,116 BTU/hr
At 200 VAC 1.639 A, 321 W, 1,095 BTU/hr
Input current calculated with 1 PSU; watts and
BTU/hour with 2 PSUs |
| Maximum power consumption | At 100 VAC 2.706 A, 512 W, 1,747 BTU/hr
At 200 VAC 1.375 A, 500 W, 1,706 BTU/hr
Input current calculated with 1 PSU; watts and
BTU/hour with 2 PSUs |
Safety Compliance
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|---|
CAN/CSA C22.2 No. 60950-1-07 including A1 / UL 60950-1-07, Ed. 2 including A1
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CAN/CSA-C22.2 No. 60950-1 Second Edition
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EN 60950-1 Second Edition +A1/A12
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IEC 60950-1 Second Edition +A1
|
GB 4943.1-2011 and GB9254-2008
|
CNS14336-1(99)
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| CSA/NRTL Certification |
EMC
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|---|
FCC Class A
|
ICES-003 Class A
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VCCI-Class A
|
CE
|
C-Tick
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BSMI
|
| KCC Class A |
Immunity
|
|---|
| EN55024 |
Environmental Regulatory Compliance
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RoHS-6 (with lead exemption) Directive 2002/95/EC
NEBS-Compliant
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