VWIC-2T1/E1-RAN - Cisco Voice/Wan Interface Cards Overview
VWIC-2T1/E1-RAN - Cisco Voice/Wan Interface Cards is a genuine modular capacity expansion product from Cisco, a global name in networking whose platforms are used by enterprises, service providers and data-center operators alike. Belonging to the Cisco family, the VWIC-2T1/E1-RAN unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is deployed as a standalone unit or as part of a larger managed network, following the standard operating procedures of the platform.
This unit follows the original factory specification for the Cisco family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Cisco equipment already deployed in the network.
Typical deployments include adding ports and performance to existing chassis systems, modernizing legacy platforms with compatible line cards, and mixing copper, fiber and high-speed uplinks in one chassis. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “2-Port RJ-48 T1/E1 Protection Switching RAN/ITP/SLT WIC”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the VWIC-2T1/E1-RAN. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned VWIC-2T1/E1-RAN
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
VWIC-2T1/E1-RAN | |
Manufacturer | Cisco |
Part Number | VWIC-2T1/E1-RAN |
Device Type | Interface module |
Form factor | Cisco 2-Port T1/E1 Protection Switching RAN VWIC |
Specifications | |
Feature | • Two independent T1/E1 or fractional T1/E1 ports with RJ-48C physical connectors • Software-configurable T1/E1 mode • T1/E1 interface loopbacks, 75- and 120-ohm impedances (balanced and unbalanced), framing (SF and ESF), and line codes (AMI, B8ZS, HDB3); support for E1 structured and unstructured operation • LEDs for data carrier detect (DCD), loopback (LP), and alarm (AL) |
Dimensions (H x W x D) | 0.8 x 3.1 x 4.8 in. (2.1 x 7.9 x 12.2 cm) |
DSU/CSU | • Selectable DSX-1 cable length in increments from 0 to 655 ft in DSU mode • Selectable DS-1 CSU line build-out: 0, -7.5, -15, and -22.5 dB • Selectable DS-1 CSU receiver gain: 26 or 36 dB |
Diagnostics | • ANSI T1.403 Annex B/V.54 loopup/down code recognition, network loopback, user initiated loopbacks, network payload loopback, local DTE loopback, remote line (codes: V.54, loop up, and loop down) • BERT patterns all 0's, all 1's, 1:2, 1:8, 3:24, QRW, QRSS, 63, 511, 2047, and V.54/T1.403 Annex B bit patterns; two user-programmable 24-bit patterns • Alarm detection: Alarm indication signal (AIS), time slot 16 AIS, remote alarm, far-end block error (FEBE), out of frame (OOF), cyclic redundancy check (CRC) multiframe OOF, signaling multiframe OOF, frame errors, CRC errors, loss of network signal (red alarm), loss of network frame, receive (blue alarm) (AIS) from network, receive (yellow) from network performance reports/error counters CRC, errored seconds, burst errored seconds, severely errored seconds, Ft and Fs framing errors for SF framing, FPS framing errors for ESF framing, 24-hour history stored in 15-minute increments • Onboard processor for real-time facility data link (FDL) messaging, in-band code detection and insertion, alarm integration, and performance monitoring • Full FDL support and FDL performance monitoring, according to configurable standard: ANSI T1.403 or AT&T TR 54016 |
VWIC-2T1/E1-RAN - Product Notes
This listing is a specific SKU variant of the VWIC-2T1/E1-RAN family. Review the specifications above and confirm compatibility with your existing infrastructure, including software version, mounting, and interface requirements, before ordering.
For volume requirements we offer configuration checks and staged delivery options. Our team can confirm revision levels, software compatibility, and lead time before you place an order.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation.
VWIC-2T1/E1-RAN - Cisco Series Notes
This listing is part of the Cisco enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Cisco module/line card expands the capability of a chassis platform, adding interface density, forwarding capacity, or service features. It is installed in a matching chassis slot and managed as part of the parent platform.
Deployment guidance: When planning this VWIC-2T1/E1-RAN unit into a network, confirm the software image (IOS/IOS-XE/NX-OS) required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Cisco reconditioning process: Every pre-owned Cisco unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Cisco management tools.
Related models in this family: VWIC-1MFT-T1, VWIC3-1MFT-T1/E1, VWIC3-4MFT-T1/E1, VWIC-2MFT-T1-DIR, VWIC3-2MFT-T1/E1. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
Model code: N = North America regulatory domain - this suffix indicates the feature set, power, or regulatory variant of the VWIC-2T1/E1-RAN, which affects software licensing and regional compliance.






