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PSM-PTX-DC-120-S
PTX 120A DC spare power supply module
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PSM-PTX-DC-120-S is a high-performance Ethernet module designed for data center applications. It supports data rates up to 10Gbps with an SFP+ connector and is compatible with leading routers, switches, and servers, ensuring robust connectivity in demanding environments. The module supports essential protocols such as TCP/IP and iSCSI to facilitate efficient, secure data transmission across modern networks.
Engineered as a PCIe module, the PSM-PTX-DC-120-S is optimized for seamless installation and system expansion within a data center infrastructure. Its form factor and advanced features make it ideal for upgrading server network interfaces, expanding data center capacity, and connecting to high-speed networks, while maintaining reliable operations even in high-demand scenarios.
PSM-PTX-DC-120-S price is is available on request. Get immediate quote.
Request bulk order quote for PSM-PTX-DC-120-S for additional pricing. Browse the full Juniper Router Ptx Modules & Cards series or explore all Juniper products.
In a 24/7 telecom base station environment, the PSM-PTX-DC-120-S-PTX 120A DC spare power supply module is deployed in an N+1 configuration to provide hot-swappable 48 VDC support. Benefit: Delivers 99.999% network uptime, eliminates single points of failure, and reduces operational maintenance windows.
Within hyperscale data centers, the PSM-PTX-DC-120-S-PTX 120A DC spare power supply module offers redundant failover protection for core switches and routers by automatically powering loads during primary supply faults. Benefit: Ensures continuous service delivery, meets stringent SLAs, and minimizes unplanned downtime costs.
In high-speed manufacturing lines, the PSM-PTX-DC-120-S-PTX 120A DC spare power supply module integrates into control panels to safeguard PLCs and servo drives during mains power interruptions. Benefit: Maintains production continuity, reduces line stoppages, and enhances overall equipment effectiveness (OEE).
To get the detailed certification, please go to the Compliance Center.
| Product Type | Network Module | Network Module | Network Module / Network Card | Network Module / Network Card | Network Card |
| Module Type | Ethernet | SFP+ | Ethernet | Ethernet | Ethernet |
| Data Rate | 10Gbps | 10Gbps | 10Gbps | 10G | 10G |
| Connector Type | SFP+ | LC | SFP+ | SFP+ | RJ-45 |
| Supported Protocols | TCP/IP, iSCSI | TCP/IP, iSCSI | TCP/IP, iSCSI, Fibre Channel | TCP/IP | TCP/IP |
| Form Factor | PCIe | SFP+ | PCIe | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 12W | 3.5W | 5W | 12W | 7W |
| Interface Ports | Ethernet | SFP+ | SFP+ | SFP+ | Ethernet |
| Expansion Slots | N/A | N/A | PCIe | N/A | N/A |
| Product Name | PSM-PTX-DC-120-S | PTX10K-LC1101H-R | PSM-SFF-PTX-AC-BB | PSM2-PTX-AC-BB | RCB-CC-S High Performance Ethernet Module |
| Height | 0.5 inches | 0.22 inches | 1.5 inches | N/A | 1.5 |
| Width | 3.4 inches | 0.78 inches | 3.4 inches | N/A | 3.4 |
| Depth | 7.0 inches | 3.54 inches | 0.8 inches | N/A | 5.2 |
| Weight | 1.2 lbs | 0.15 lbs | 0.5 lbs | N/A | 1.2 |
Spare DC module arrived ready for use.
Good to have on hand for quick replacement.
Matched original specifications perfectly.
No compatibility concerns.
Performed exactly as expected.
The PSM-PTX-DC-120-S is a 120 A DC spare power supply module designed for PTX series racks, offering high-reliability redundant power for critical telecom and data-network applications.
Key features include 120 A DC output at –48 V nominal, 36–75 V DC input range, >92% efficiency, hot-swap capability, N+1 redundancy, and built-in over-voltage, over-current, short-circuit and thermal protection.
The module supports a DC input range of 36 to 75 V, accommodating standard telecom batteries and rectifier feeds.
It delivers a regulated –48 V DC output at up to 120 A continuous current with voltage stability within ±1% over load and line variations.