Details:
Description
  VDX 6940-36Q VDX 6940-144S
Form factor 1U 1U
Switching bandwidth (data rate, full duplex) 2.88 Tbps 2.88 Tbps
Switch performance 2.16 Bpps 2.16 Bpps
Port-to-port latency 800 ns 800 ns
Dimensions Width: 44 cm (17.32 in.)
Height: 4.4 cm (1.73 in.)
Depth: 43.8 cm (17.22 in.)
Width: 44 cm (17.32 in.)
Height: 8.7 cm (3.41 in.)
Depth: 48.5 cm (19.1 in.)
Weight 8.9 kg (19.6 lb) without media; 10.1 kg (22.3 lb) with media 15.46 kg (34.1 lb) empty; 17.32 kg (38.2 lb) with media
10 GbE SFP+ ports 144 10 GbE ports using breakout cables 96 fixed 10 GbE ports and additional 48 10 GbE ports with breakout cables
1 GbE SFP 0 96
1/10 GBASE-T 0 0
40 GbE QSFP+ 36 12
100 GbE QSFP28 0 4
40 GbE Ports on Demand (PoD) 24, 36 6, 12
10 GbE Ports on Demand (PoD) N/A 64, 80, 96
Power supplies Two internal, redundant, field-replaceable, loadsharing AC/DC power supplies Two internal, redundant, field-replaceable, loadsharing AC/DC power supplies
Cooling fans 5 field-replaceable fans (FRUs); each fan FRU has 2 fans 4 field-replaceable fans (FRUs); each fan FRU has 1 fan
Airflow Rear-to-front or front-to-rear airflow Rear-to-front or front-to-rear airflow
Scalability Information
Connector options Out-of-band Ethernet management: RJ-45 (fixed)
Console management: RJ45 to RS-232 (fixed)
Firmware and diagnostic: USB
Out-of-band Ethernet management: RJ-45 (fixed)
Console management: RJ45 to RS-232 (fixed)
Firmware and diagnostic: USB
Maximum VLANs 4,096 4,096
Maximum MAC addresses 112,000 (L2 MACs); fabric-wide 256,000 (CML) 112,000 (L2 MACs); fabric-wide 256,000 (CML)
Maximum port profiles (AMPP) 512 512
Maximum members in a standard LAG 16 16
Maximum per-port priority pause level 8 8
Maximum switches that a vLAG can span 8 8
Maximum members in a vLAG 64 64
Maximum jumbo frame size 9,216 bytes 9,216 bytes
Queues per port 8 8
DCB Priority Flow Control (PFC) classes 8 8
Maximum ACLs 10,000 10,000
Maximum ARP entries 84,000 84,000
Maximum IPv4 unicast routes 12,000 12,000
Maximum IPv6 unicast routes 3,000 3,000
DCB Priority Flow Control (PFC) classes 8 8
HA/ISSU ISSU fully supported ISSU fully supported
Mechanical
Bystander Sound Pressure  
Environmental
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: 159 CMH (94 CFM)
Minimum: 65 CMH (38 CFM)
Maximum: 370 CMH (218 CFM)
Minimum: 95 CMH (56 CFM)
Power VDX 6940-36Q VDX 6940-144S
Power supplies Two internal, redundant, field-replaceable, loadsharing power supplies Two internal, redundant, field-replaceable, loadsharing power supplies
Power inlet C13 C13
Input voltage 100 to 240 V or 48 V DC 100 to 240 V or 48 V DC
Input line frequency 50 to 60 Hz 50 to 60 Hz
Inrush current 30 A peak at cold start and 50 A peak at warm start for <10 ms, 10 A peak for cycles 10 ms to 150 ms, <7 A peak for >150 ms 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 90 VAC
6 A at 100 VAC
7 A at 85 VAC
Typical power consumption At 100 VAC 2.18 A, 215 W, 733.81 BTU/hr
At 200 VAC 1.12 A, 212 W, 723.57 BTU/hr
Input current calculated with 1 PSU; watts and BTU/ hour with 2 PSUs
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 2.84 A, 282 W, 962.5 BTU/hr
At 200 VAC 1.44 A, 276 W, 942 BTU/hr
Input current calculated with 1 PSU; watts and BTU/ hour with 2 PSUs
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

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