The HWIC‑4B‑S/T is a quad-port ISDN BRI interface card for Cisco Integrated Services Routers, offering four S/T‑interface ports for simultaneous Basic Rate Interface connectivity. It supports data and voice transmission over ISDN with up to 128 kbps per port, enabling legacy WAN access and dial-up services. Equipped with hot-swappable capability, it allows painless installation or replacement without disrupting network operations. Fully compatible with Cisco IOS, it supports dial-on-demand routing, backup services, and integrated voice features. Compact and efficient, it fits neatly into ISR slots and draws minimal power. The HWIC‑4B‑S/T is ideal for enterprises and branch offices needing flexible, reliable ISDN connectivity for voice and data convergence.
HWIC-4B-S/T
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The HWIC‑4B‑S/T is a quad-port ISDN BRI interface card for Cisco Integrated Services Routers, offering four S/T‑interface ports for simultaneous Basic Rate Interface connectivity. It supports data and voice transmission over ISDN with up to 128 kbps per port, enabling legacy WAN access and dial-up services. Equipped with hot-swappable capability, it allows painless installation or replacement without disrupting network operations. Fully compatible with Cisco IOS, it supports dial-on-demand routing, backup services, and integrated voice features. Compact and efficient, it fits neatly into ISR slots and draws minimal power. The HWIC‑4B‑S/T is ideal for enterprises and branch offices needing flexible, reliable ISDN connectivity for voice and data convergence.
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