• HPE JG442A HMIM sync serial module with silver circuit board
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HPE

HPE JG442A | HMIM sync serial module | 4x synchronous serial | multi-protocol (HDLC/PPP/Frame Relay)

JG442A

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Description

Add four enhanced synchronous serial interfaces to MSR routers for legacy WAN and industrial interconnects. Supports common encapsulations such as HDLC, PPP, and Frame Relay, with flexible clocking for point-to-point or hub-and-spoke designs. Interfaces presented via adapter cables for standards like V.35, X.21, and EIA-530.

Features

- Four flexible synchronous serial interfaces for legacy WAN integration
- Multi-protocol encapsulation to match diverse network requirements
- Adaptable physical interfaces via simple adapter cables
- Independent per-port configuration and clocking
- Ideal for industrial, utility, and backup connectivity scenarios

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Form factor: HMIM interface module for MSR routers
- Ports: 4x enhanced synchronous serial
- Encapsulations: HDLC, PPP, Frame Relay (as supported by platform)
- Clocking: Internal, external, or line-recovered (platform dependent)
- Physical interfaces: Via adapter cables to V.35, X.21, EIA-530/530A (cables not included)
- Use cases: Legacy WAN, SCADA/industrial links, backup circuits
- Per-port independence: Configure speed, clocking, and encapsulation per port
- Management: Integrated via router Comware CLI/NMS
- Compatibility: MSR platforms with available HMIM slot
- Resiliency: Supports routing with multiple serial links for redundancy

FAQs

Q: Which cable types are needed?
A: Use the appropriate adapter cables for V.35, X.21, or EIA-530 based on your DCE/DTE equipment.

Q: What line rates are supported?
A: Rates depend on platform and encapsulation; configure per link within supported limits.

Q: Is this suitable for Frame Relay networks?
A: Yes, Frame Relay is supported where the platform OS supports it.

Q: Do I need licenses?
A: Typically no license is required to use serial ports; advanced WAN features follow the router’s licensing.

Q: Can I mix different encapsulations on different ports?
A: Yes, each port is configured independently.

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