Hardware Specifications; Physical Specifications; Power Options; Physical Layer - Juniper EX4200 Product Overview

EX4200 Specifications

Physical Specifications

• Backplane: 128 Gbps Virtual Chassis interconnect to combine up
to 10 units as a single logical device
• Uplink module options:
- 4-port GbE module with pluggable SFP optics
- 2-port 10GbE module with pluggable XFP optics
- Dual-mode 2-port 10GbE SFP+ / 4-port GbE SFP module with
pluggable SFP+/SFP optics
- Dual-mode 2-port 10GbE SFP+ / 4-port GbE SFP module with
pluggable SFP+/SFP optics and MACsec support

Power Options

• Power supplies: Autosensing; 100-120 V / 200-240 V;
AC 320 W, 600 W and 930 W dual load-sharing hot-swappable
internal redundant power supplies
• Maximum current inrush: 50 amps
• DC power supply: 190 W DC, input voltage range 36 V - 72 V, dual
input feed, dual load-sharing hot-swappable internal redundant
power supplies
• Minimum number of PSUs required for fully loaded chassis:
1 per switch
Dimensions (W x H x D)
• 17.41 x 1.72 x 16.43 in (44.21 x 4.32 x 41.73 cm)
• Desktop installation width noted above, rack-mount width is
1
17.5 in (44.5 cm)
• Height: 1 rU
2
• Depth with 320 W AC PSU and 190 W DC PSU noted above,
3
18.8 in (47.8 cm) with 600/930 W AC PSU
System Weight
• EX4200-24T with 320 W AC PSU: 16.5 lb (7.5 kg)
• EX4200-24P with 600 W AC PSU: 17.2 lb (7.8 kg)
• EX4200-24PX with 930 W AC PSU: 18 lb (8.16 kg)
• EX4200-48T with 320 W AC PSU: 17.1 lb (7.8 kg)
• EX4200-48P with 930 W AC PSU: 18.2 lb (8.3 kg)
• EX4200-48PX with 930 W AC PSU: 19 lb (8.61 kg)
• EX4200-24F with 320 W AC PSU: 16.1 lb (7.3 kg)
• EX4200-24T-DC with 190 W DC PSU: 16.5 lb (7.5 kg)
• EX4200-48T-DC with 190 W DC PSU: 17.1 lb (7.8 kg)
• EX4200-24F-DC with 190 W DC PSU: 16.1 lb (7.3 kg)
Environmental Ranges
• Operating temperature: 32° to 113° F (0° to 45° C)
• Storage temperature: -40° to 158° F (-40° to 70° C)
• Operating altitude: up to 10,000 ft (3,049 m)
• Non-operating altitude: up to 16,000 ft (4,877 m)
• relative humidity operating: 10% to 85% (noncondensing)
• relative humidity non-operating: 0% to 95% (noncondensing)
Cooling
• Field-replaceable fan tray with multiple blowers (3)
• Switch remains operational even if one blower fails
• Airflow: 20.3 cfm

Hardware Specifications

• Switching Engine Model: Store and forward
• DrAM – 1 GB with ECC
• Flash – 1 GB
• CPU – 1 GHz PowerPC CPU
• GbE port density per system:
- 24P/24T/24F: 28 (24 host ports + four-port GbE uplink module)
- 48P/48T: 52 (48 host ports + four-port GbE uplink module)
• 10GbE port density per system (all models): 2 (uplink module)
Optics
• 100 Mbps optic/connector type: LC SFP fiber supporting 100BASE-
FX SFP (multimode), LX (single-mode) and
BX (single-strand)
• 10/100/1000BASE-T connector type: rJ-45
• GbE SFP optic/connector type: rJ-45 or LC SFP fiber supporting
1000BASE-T SFP, SX (multimode), LX (single-mode), LH/ZX
(single-mode) and BX (single strand)
• 10GbE XFP optic/connector type: 10GE XFP LC connector,
Sr (multimode), Lr (single-mode), Er (single-mode) or
Zr (single-mode)
• 10GbE SFP+ optic/connector type: 10GE SFP+ LC connector, Sr
(multimode), USr (multimode), Lr (single-mode), Er (single-
mode), LrM (multimode) and DAC (direct-attach copper)

Physical Layer

• Time Domain reflectometry (TDr) for detecting cable breaks and
shorts: 24P/24T and 48P/48T only
• Auto MDI/MDIX support: 24P/24T and 48P/48T only (all ports)
• Port speed downshift/setting max advertised speed on
10/100/1000BASE-T ports: 24P/24T and 48P/48T only, on
all ports
• Digital optical monitoring for optical ports
Packet Switching Capacities (Maximum with
64 Byte Packets)
• 24P/24T: 88 Gbps
• 48P/48T: 136 Gbps
• 24F: 88 Gbps
Aggregate Switch Capacities (Maximum with
64 Byte Packets)
• 24P/24T/24F: 216 Gbps
• 48P/48T: 264 Gbps
Layer 2/Layer 3 Throughput (Mpps) (Maximum
with 64 Byte Packets)
• 24P/24T: 65 Mpps (wire speed)
• 48P/48T: 101 Mpps (wire speed)
• 24F: 65 Mpps (wire speed)

Layer 2 Switching

• Max MAC addresses per system: 32,000
• Jumbo frames: 9216 Bytes
• Number of VLANs: 4,096
• VST instances: 253
• Port-based VLAN
• MAC-based VLAN
• GVrP
• Voice VLAN
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