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Juniper Networks JNP-100G-4X25G-50CM Compatible 100G QSFP28 4 x 25G NRZ to 4 x 25G SFP28 NRZ Passive Copper Breakout Cable, 0.5m (2ft)

Juniper Networks JNP-100G-4X25G-50CM Compatible 100G QSFP28 4 x 25G NRZ to 4 x 25G SFP28 NRZ Passive Copper Breakout Cable, 0.5m (2ft)

The HT-manufactured JNP-100G-4X25G-50CM compatible cable provides 100G connectivity for Juniper Networks equipment. This 0.5m (2ft) version is a factory-terminated passive copper link without separate optical modules or patch cords, with an exact part number and length that can be matched directly to the equipment requirement.

OEM Part Number: JNP-100G-4X25G-50CMHT Part Number: JNP-100G-4X25G-50CM

Product Highlights

  • Compatible alternative to Juniper Networks JNP-100G-4X25G-50CM
  • 100G connectivity at 100Gbps
  • Interface configuration: QSFP28 to SFP28
  • Fixed length and part number: 0.5m (2ft), JNP-100G-4X25G-50CM
  • Cable construction: Passive Twinax
  • Conductor specification: 30AWG
  • Maximum power consumption: ≤0.125W
  • Minimum bend radius: 60mm

Specifications

HT Part NumberJNP-100G-4X25G-50CM
Juniper Networks CompatibleJNP-100G-4x 25G-50CM
ManufacturerHT
Form FactorQSFP28 to SFP28
Max Data Rate100Gbps
Cable TypePassive Twinax
Cable Length0.5m (2ft)
Wire AWG30AWG
Minimum Bend Radius60mm
Power Consumption≤0.125W
Power Supply3.3V
MTBF=50 Million Hours
Jacket MaterialPVC (OFNR)
Commercial Temperature Range0 to 70°C (32 to 158°F)
Modulation FormatQSFP28-4x 25G-NRZ SFP28-1x 25G-NRZ
MediaCopper
Application100G to 4x 25G Ethernet, Data Centers
ProtocolsIEEE 802.3, QSFP28 MSA, SFF-8665

Juniper Deployment Reference

Juniper platform documentation distinguishes straight QSFP28 DAC or AOC connections from DACBO and AOCBO breakout operation. On channelized systems, the host port must be configured for the required breakout mode. Match this HT compatible cable to the exact Juniper part number and the intended platform configuration.

Power and Thermal Planning

The rated power consumption is ≤0.125W. Include this load in the host-port power and thermal budget, especially in densely populated switches. Maintain front-panel clearance and do not bundle the cable so tightly that it obstructs airflow around the connectors.

Cable Construction and Routing

This assembly uses 30AWG conductors, PVC (OFNR) jacket, minimum bend radius 60mm. These mechanical characteristics affect how the cable should be dressed behind the equipment. Avoid sharp edges, excessive ties and repeated tight bends close to the connector boots.

Network and Protocol Considerations

The intended application is 100G to 4x 25G Ethernet, Data Centers. Listed interface and protocol references include IEEE 802.3, QSFP28 MSA, SFF-8665. Confirm that the host firmware and port configuration support the same operating mode.

Breakout Port Mapping

The QSFP28 to SFP28 configuration divides the high-speed interface into multiple lower-speed connections. Verify the upstream lane assignment, downstream port speeds and breakout setting on the host before connecting the assembly. Each branch must attach to the correct remote interface.

Passive Copper Operation

A passive DAC has no separate optical conversion stage. Its low-power, low-latency operation is useful for short equipment links, but the assembly must remain within the length and signaling mode accepted by both hosts.

Length Selection and Installation Planning

The 0.5m (2ft) length is suited to closely aligned ports where excessive slack would obstruct airflow or complicate dressing. Measure the actual port-to-port path before choosing JNP-100G-4X25G-50CM; even a short assembly must retain the specified bend radius and should never be pulled tight behind the equipment.

Position Within the Length Range

JNP-100G-4X25G-50CM is the shortest of 8 verified length options in this family. It is the preferred choice when the port positions are close and cable slack must be kept to a minimum. The next option is JNP-100G-4X25G-1M at 1m (3ft), adding 0.5m for a less direct routing path; selecting it unnecessarily would leave more cable to dress.

Signal and Lane Configuration

The listed modulation format is QSFP28-4x 25G-NRZ SFP28-1x 25G-NRZ. Both host interfaces must be configured for the same aggregate rate and lane arrangement. A connector that fits mechanically does not by itself guarantee that the remote port supports this encoding or breakout mode.

Juniper Networks Compatibility and Factory Testing

Our compatibility setup for Juniper Networks JNP-100G-4X25G-50CM is checked together with the physical 0.5m (2ft) assembly. Factory verification covers connector condition, host identification, error-free link establishment and electrical continuity, link stability and diagnostic readouts. Providing the exact host model and firmware release helps us identify platform-specific requirements before production.

Ordering Information

This product is ordered as JNP-100G-4X25G-50CM in 0.5m (2ft). Include the equipment model and software release if you would like a pre-order compatibility review. Other lengths use different part numbers and should not be substituted into the same order line.

Frequently Asked Questions

Is this an original Juniper Networks cable?

No. It is an HT-manufactured compatible alternative for equipment that specifies Juniper Networks JNP-100G-4X25G-50CM.

Does this page include more than one cable length?

No. This page is dedicated to 0.5m (2ft) and part number JNP-100G-4X25G-50CM. Other lengths have their own part numbers and product pages.

Are separate optical modules required?

No. The connectors and cable form one complete direct-attach assembly. Do not attempt to detach or replace either end.

Can the cable be folded to shorten its routing path?

No. Follow the specified minimum bend radius and route the 0.5m (2ft) assembly without tight folds, sharp edges or excessive cable ties.

Quality Assurance and Packaging

HT inspects and tests every completed cable before it enters finished stock. Protective caps or covers are fitted where applicable, followed by anti-static or tray packaging and an outer carton. Custom labels can cross-reference the customer part number, JNP-100G-4X25G-50CM and the 0.5m (2ft) length for easier inventory control.

Shipping and Lead Time

Available stock is usually packed and handed to the carrier within one to three working days. Delivery can be arranged by international express, air cargo or sea freight, with tracking details supplied after dispatch. Freight-collect shipments and delivery to a customer warehouse or forwarder can also be coordinated.

 

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