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HWIC-8A/S-232
8-Port Async/Sync Serial HWIC, EIA-232 Cisco Router High-Spe...
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HWIC-8A/S-232 is a high-speed WAN interface card that delivers eight asynchronous serial ports in a compact modular design. Designed for integration into Cisco routers, this module supports serial communication speeds of up to 115.2 kbps per port with DB9 RS-232 connectors, ensuring reliable data transmission for critical WAN applications.
Engineered for environments that demand robust and flexible connectivity, the HWIC-8A/S-232 supports essential protocols such as PPP and HDLC for secure and efficient communications. Its easy installation into standard HWIC slots makes it an ideal solution for upgrading network interfaces, managing remote assets, and ensuring seamless integration with legacy communication systems.
HWIC-8A/S-232 price is $1,158.00, a 65.9% saving from the Cisco list price of $3,400.00. HWIC-8A/S-232 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for HWIC-8A/S-232 for additional pricing. Browse the full Router Ehwic Wan Cards series or explore all Cisco products.
Scenario: A national retail chain deploys the HWIC-8A/S-232-8-Port Async/Sync Serial HWIC, EIA-232 Cisco Router High-Speed WAN Interface card in each of its 50 branches to aggregate up to eight POS terminals and ATM devices on a single Cisco ISR. Benefit: This centralized serial consolidation lowers branch hardware footprint by 60%, streamlines WAN management, enforces PCI-compliant encryption end-to-end, and delivers a 30% reduction in operational expenses.
Scenario: A manufacturing plant integrates eight legacy PLCs, barcode scanners, and motion-control modules over EIA-232 links using the HWIC-8A/S-232-8-Port Async/Sync Serial HWIC on its Cisco ISR. Benefit: By supporting both synchronous and asynchronous serial speeds up to 230.4 kbps, the solution ensures real-time SCADA visibility, reduces unplanned downtime by 40%, and accelerates maintenance workflows through out-of-band management.
Scenario: A Wall Street trading firm leverages the HWIC-8A/S-232-8-Port Async/Sync Serial HWIC, EIA-232 Cisco Router High-Speed WAN Interface card to terminate eight independent market-data and order-routing serial links across dual redundant ISRs. Benefit: This design delivers sub-5 ms failover, maintains 99.999% uptime under peak load, and provides deterministic throughput for ultra-low-latency trading strategies.
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| HWIC-8A/S-232 |  EHWIC-D-8ESG-P |  EHWIC-VA-DSL-B |  HWIC-4T1/E1 |  HWIC-ADSLI-B/ST | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module / Network Card | WAN Module | WAN Module | WAN Module |
| Module Type | HWIC | Ethernet | DSL | T1/E1 | WAN |
| Connector Type | DB9 RS-232 | RJ-45 | RJ-11 | RJ-48 | RJ-11 |
| Supported Protocols | PPP / HDLC | TCP/IP | DSL, PPP, ATM | PPP/HDLC | TCP/IP, PPP |
| Form Factor | Modular | Modular | EHWIC | Modular (HWIC) | HWIC/EHWIC Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 55°C | 0 to 70°C | 0 to 70°C |
| Compatibility | Cisco Routers | Cisco | Cisco Integrated Services Routers | Cisco | Cisco Integrated Services Routers |
| Interface Ports | RS-232 | Ethernet | DSL | T1/E1 | 1 x RJ-11 |
| Expansion Slots | HWIC slot | EHWIC | EHWIC | EHWIC | HWIC/EHWIC slots |
| Product Name | HWIC-8A/S-232 | EHWIC-D-8ESG-P | EHWIC-VA-DSL-B | HWIC-4T1/E1 | HWIC-ADSLI-B/ST |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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The HWIC-8A/S-232 card provides excellent serial connectivity. It's reliable, easy to install, and has improved the performance of our Cisco router.
We use the HWIC-8A/S-232 for reliable serial communication. It works perfectly with our router and has been a great addition to our network.
The HWIC-8A/S-232 is a great card for serial connectivity. It's stable, easy to configure, and has improved our overall network performance.
The HWIC-8A/S-232 card has delivered exceptional performance. It's been reliable, easy to install, and provides stable serial connections for our network.
This card offers excellent reliability. The HWIC-8A/S-232 is perfect for expanding our serial connectivity, making our network more efficient.
The Cisco HWIC-8A/S-232 is an 8-port asynchronous/synchronous serial High-Speed WAN Interface Card (HWIC) for Cisco ISR routers, providing EIA-232 connectivity for voice, data, and point-of-sale applications.
The HWIC-8A/S-232 provides eight independent EIA-232 serial ports, each configurable for asynchronous or synchronous communication.
The HWIC-8A/S-232 is supported on Cisco ISR Generation 2 routers, including the 1900, 2900, and 3900 series.
The HWIC-8A/S-232 supports asynchronous data rates up to 230.4 kbps per port and synchronous data rates up to 2.048 Mbps per port.
Yes, the HWIC-8A/S-232 supports both asynchronous and synchronous serial transmission on all eight ports.
No additional software licensing is required; the HWIC-8A/S-232 operates under the router’s existing feature set for serial interfaces.
Power down the router, insert the HWIC-8A/S-232 into an available HWIC slot, secure it with the retaining screw, power on the router, and configure the interfaces in Cisco IOS.
The HWIC-8A/S-232 supports industry-standard WAN protocols such as PPP, HDLC, Frame Relay, and X.25.
Yes, each port on the HWIC-8A/S-232 can be individually configured for asynchronous or synchronous operation.
Use standard Cat5 cables with RJ-45 connectors and Cisco RJ-45-to-DB9 adapters for DTE or DCE EIA-232 connections.
The recommended maximum cable length is 15 meters (50 feet) for reliable EIA-232 operation at standard asynchronous speeds.
In global configuration mode, enter 'interface Serial slot/port', set 'encapsulation [hdlc|ppp]', optionally configure 'clock rate <value>' for DCE, and issue 'no shutdown'.
Common use cases include connecting legacy serial devices, point-of-sale terminals, telemetry equipment, and multi-point WAN links in branch offices.
Yes, all ports default to DTE; you enable DCE on a port by configuring 'clock rate' in the Cisco IOS interface settings.
Cisco provides a limited lifetime warranty with return-to-factory replacement for the HWIC-8A/S-232 when purchased through authorized channels.
You can purchase genuine Cisco HWIC-8A/S-232 cards from Cisco’s authorized resellers, certified partners, or the Cisco online store.
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