JD557A HPE MSR 1-port Enhanced Serial SIC network switch module
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MSR 1-port Enhanced Serial SIC
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JD557A Overview
HPE - A-msr 1-port Enhanced Sync/async Serial Sic Module (JD557A).
Summary Description
HPE MSR 1-port Enhanced Serial SIC. Compatibility: MSR20 Series MSR20-1x Series MSR30 Series
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | HPE |
| Stock | In Stock |
Ports & interfaces
| Ethernet LAN (RJ-45) ports | 1 |
|---|
Performance
| Compatibility | MSR20 Series MSR20-1x Series MSR30 Series |
|---|
Logistics data
| Harmonized System (HS) code | 85176990 |
|---|
Frequently Asked Questions
What primary function does the HPE MSR 1-port Enhanced Serial SIC module (JD557A) serve in a network? +
The JD557A is a Smart Interface Card (SIC) designed for HPE MSR series routers, providing a high-performance serial interface. It is primarily used for connecting wide area network (WAN) links, facilitating legacy serial communication, and enabling point-to-point connectivity between branch offices and core data centers.
Which specific HPE router series are compatible with the JD557A interface module? +
This module is engineered for integration with the HPE MSR router portfolio, including models in the MSR20, MSR30, and MSR50 series. It leverages the flexible SIC slot architecture found in these platforms, allowing you to scale your connectivity options without replacing the entire hardware chassis.
Does the JD557A module support synchronous and asynchronous serial operations? +
Yes, this enhanced serial interface card supports various serial transmission modes to ensure flexibility. It is designed to handle synchronous data transfer for high-speed WAN links as well as asynchronous operations, making it suitable for a wide range of legacy equipment and specialized serial data environments.
Can I install the HPE JD557A module into my router while the device is powered on? +
While many MSR interface cards support hot-swapping, it is always best practice to consult your specific MSR router’s documentation regarding module insertion procedures. Generally, the modular architecture allows for quick hardware expansion, provided the router OS is configured to recognize the new hardware upon insertion.
What kind of cables are required to connect the JD557A serial port? +
The JD557A requires a dedicated serial interface cable compatible with the HPE MSR series physical port interface. Because serial standards can vary between V.35, RS-232, and X.21, you must ensure the selected cable matches the physical connector type on the module and the specific signaling requirements of your WAN provider.
How is the performance of the JD557A module managed within the router software? +
The module is managed via the HPE Comware operating system. Once installed, you can configure the interface using standard CLI commands to set bandwidth parameters, clocking, and encapsulation protocols such as PPP or Frame Relay, ensuring the serial link is optimized for your specific network traffic requirements.
Is the JD557A suitable for connecting legacy data equipment to a modern IP network? +
Absolutely. This module acts as a critical bridge between legacy serial-based devices and modern routing infrastructure. By utilizing the serial interface on an MSR router, administrators can maintain connectivity for older telecommunications equipment or specialized industrial hardware that relies on traditional serial protocols for data transmission.
How does the Enhanced Serial SIC improve upon standard serial modules? +
The 'Enhanced' designation in the JD557A indicates improved throughput and better stability for serial communications. It is designed to handle more demanding traffic loads compared to older serial modules, offering lower latency and superior signal integrity, which are essential for maintaining reliable WAN links in enterprise-grade routing environments.
Why should I source my HPE networking hardware from BuyRouterSwitch.com? +
BuyRouterSwitch.com is a trusted provider of enterprise networking hardware, focusing on delivering authentic HPE components. Our deep inventory and direct access to specialized modules like the JD557A allow us to meet strict infrastructure requirements for businesses looking for consistent, reliable hardware solutions sourced directly for professional deployment.
How do I request a bulk quote for the JD557A module through BuyRouterSwitch.com? +
For large volume orders or procurement projects requiring multiple units of the JD557A, please contact our sales team directly through our website. We provide streamlined quotes tailored to your project scale, ensuring you receive competitive pricing and efficient processing for your enterprise infrastructure needs without unnecessary delays.



































