Cisco WIC-1SHDSL-V2 Full Official Technical Specification Document

1. Product Overview

Official Full Designation

Core Definition

SKU Naming Breakdown

1. WIC: WAN Interface Card, modular expansion slot adapter for legacy Cisco ISR routers
2. 1: Single physical G.SHDSL line interface on the card
3. SHDSL: Symmetric High-Speed Digital Subscriber Line, ITU-T G.991.2 symmetrical DSL standard
4. V2: Version 2 enhanced hardware revision with dual 2-wire / 4-wire pair bonding support (V1 only supports 2-wire)
5. =: Optional suffix for standalone spare-only WIC spare kits (WIC-1SHDSL-V2=)

Product Lifecycle Notice

• Official Global Release Year: 2005
• End-of-Sale (EoS) Status: Discontinued; Cisco permanently ceased production of brand-new WIC-1SHDSL-V2 hardware units
• Direct Upgrade Replacement Models: WIC-1SHDSL-V3, HWIC-SHDSL high-performance HWIC generation cards
• Minimum Supported IOS Software Version: Cisco IOS Release 12.2(4)XL and later; full feature support for 4-wire bonding added in 12.3(4)XDCisco
• Software Maintenance Status: Only critical security vulnerability patches are released for customers holding active Cisco DNA service contracts; no new feature enhancements will be developed
• Legacy Status: End-of-sale legacy hardware; certified refurbished spare modules, validated legacy IOS firmware images and 24×7 Cisco TAC engineering technical support remain available through authorized Cisco distribution partners

Supported Router Platform Compatibility

1. Cisco 1700 Series (1721, 1751, 1760)
2. Cisco 2600 Series (2610, 2611, 2620, 2621, 2650, 2651, 2600XM, 2691)
3. Cisco 3600 Series (3620, 3640, 3660, 3631)
4. Cisco 3700 Series (3725, 3745)
5. Cisco 1800/2800/3800 ISR G2 Series

Deployment Restrictions

1. No hot-swap capability: The card cannot be safely inserted or removed while the router is powered on; complete power cycle of the chassis is mandatory for installation or replacement. Live removal triggers immediate WAN link outages and persistent system log error messages.
2. Hardware feature differentiation: V2 is the first WIC series to support 4-wire dual copper pair bonding; the original WIC-1SHDSL V1 lacks this function and is limited to single 2-wire operation only.
3. DSLAM compatibility requirement: To enable 4-wire bonding mode, the service provider’s central office DSLAM must be equipped with matching G.SHDSL line cards that support dual-pair bonding.

Standard Factory Complete Bundle Contents

1. WIC-1SHDSL-V2 base single-port enhanced G.SHDSL ATM WAN interface card with front-panel RJ-14C dual copper pair line connector and three dedicated status LED indicators (CD, LP, OK)
2. Anti-static ESD handling storage bag
3. Quick-start hardware installation guide covering WIC slot insertion, removal, twisted pair line cabling, 2-wire / 4-wire mode configuration and basic IOS G.SHDSL ATM configuration examples
4. Global regulatory compliance, safety, and electromagnetic interference (EMI) certification documentation packet

Core Integrated Functional Capabilities

• ITU-T G.991.2 standard compliant dual-mode transmission: Supports both 2-wire single copper pair and 4-wire dual copper pair bonding modes, doubling symmetrical bandwidth when two copper pairs are aggregatedCisco
• Multirate symmetrical bidirectional bandwidth ranges:
  • 2-wire single pair: 192 kbps up to maximum 2.304 Mbps
  • 4-wire dual pair bonding: 384 kbps up to maximum 4.608 Mbps full symmetrical throughputCisco
• Native ATM transport architecture supporting up to 8 ATM permanent virtual circuits (PVCs) per interface, compatible with standard ATM service categories: CBR, VBR-rt, VBR-nrt, UBR for differentiated QoS scheduling of voice, video and data traffic
• Comprehensive ATM operation & maintenance features: F5 OAM continuity check, ATM loopback testing, ILMI integrated local management interface for DSLAM CPE auto-discovery and status monitoring
• Advanced voice transport support exclusive to 2600/3700 routers: AAL2 sub-cell multiplexing enabling efficient multi-channel VoIP compression, supporting industry-standard voice codecs including G.711, G.729a, G.723.1, G.726Cisco
• Layer 2 encapsulation support: PPP over ATM (PPPoA), RFC 1483 bridged/routed ATM for IP traffic transport, AAL5 ATM adaptation layer for VoIP and real-time media transmission
• Per-PVC queuing and ATM traffic shaping for granular bandwidth policing, eliminating head-of-line blocking between different traffic classes
• Full IOS feature integration: Static/dynamic routing (RIP, EIGRP, OSPF), IOS zone-based firewall, NAT/PAT, IPSec VPN tunneling, AAA authentication (PAP/CHAP/MS-CHAP, RADIUS/TACACS+), QoS traffic classification and marking
• Multi-service branch workload support: Simultaneous VoIP voice trunking, real-time video conferencing, cloud file backup and internet access over symmetrical G.SHDSL WAN links
• Built-in wetting current and dying gasp signal functions to maintain stable copper line connectivity and send power-failure alerts to the carrier DSLAM

2. Hardware & Performance Specifications

Core Transmission Performance

• Standard Compliance: ITU-T G.991.2 G.SHDSL
• Dual Operation Modes:
  1. 2-wire (single twisted copper pair): 192 kbps – 2.304 Mbps symmetrical bidirectional
  2. 4-wire (two bonded twisted copper pairs): 384 kbps – 4.608 Mbps symmetrical bidirectionalCisco
• Physical Port Connector: Single RJ-14C front-panel connector supporting 2 or 4 copper wire pair cabling
• Supported ATM Functions: ATM PVC, ILMI, F5 OAM, loopback diagnostics, per-VC shaping and queuing
• Maximum Concurrent ATM PVCs: 8 per WIC card

Front Panel LED Indicator Definitions

1. OK: DSL SAR chip download complete, hardware initialization successful (solid green = normal operation)
2. CD (Carrier Detect): Solid green = synchronized G.SHDSL carrier link established with DSLAM; off = no DSL carrier signal detected
3. LP (Loopback): Lit green when ATM loopback diagnostic mode is activated for line troubleshooting

Electrical & Thermal Specifications

Power Consumption

• Typical operating power draw under medium traffic load: ~13 Watts
• Maximum full-load power consumption under peak 4.608 Mbps symmetrical throughput: ~17 Watts
• Power Delivery: Powered exclusively through the router chassis WIC slot backplane; no external power supply connectors mounted on the WIC card

Thermal & Environmental Operating Parameters

• Certified Continuous Operating Temperature Range: 0°C to 40°C (32°F to 104°F) standard data center equipment room environment
• Extended Validated Short-Term Operating Temperature: 0°C to 55°C (32°F to 131°F)
• Storage & Transport Temperature Range: -40°C to 70°C (-40°F to 158°F)
• Operating Relative Humidity: 10% to 90% RH, non-condensing
• Storage Relative Humidity: 5% to 95% RH, non-condensing
• Operating Altitude: Certified operational range -150 m to 2,000 m (-500 ft to 6,500 ft); extended validated range up to 3,000 m (10,000 ft)
• Cooling Design: Fanless passive heat dissipation architecture without onboard cooling fans; cooling airflow supplied by the host router’s internal chassis fan assembly
• Airflow Direction: Horizontal cross airflow passing through the router chassis expansion slot bay

Physical Form Factor & Weight

• Form Factor: Standard low-profile single-wide WIC modular expansion card form factor compatible with all WIC slots of supported legacy ISR routers
• Bare WIC Net Weight (without line cord and accessory hardware): Approximately 68 grams (2.4 oz)

3. Regulatory & Compliance Certifications

1. Safety Standards: UL 60950-1, CSA C22.2 No. 60950-1, EN 60950-1, IEC 60950-1, GB 4943 Chinese national safety standard
2. EMC & EMI Standards: FCC CFR Title 47 Part 15 Class A, VCCI Class A, EN55022 Class A, CISPR 22 Class A, ICES003 Class A
3. Carrier-Grade Compliance: NEBS Level 3 (GR-1089-CORE) electromagnetic safety and environmental standards, ETSI ETS 300 386-2
4. Environmental Directive: EU RoHS hazardous substance restriction compliance

4. Core Deployment Advantages

1. Dual 2-Wire / 4-Wire Bonding Mode for Scalable Bandwidth: The V2 revision’s flagship feature enables doubling symmetrical throughput by aggregating two copper pairs, providing flexible bandwidth scaling for growing branch traffic demands. Enterprises can start with low-speed 2-wire deployment and upgrade to 4-wire high-speed links without replacing the WIC hardware.
2. Cost-Effective Symmetrical WAN Alternative to T1/E1 Leased Lines: G.SHDSL delivers identical upload/download symmetrical bandwidth at drastically lower recurring monthly costs compared to traditional T1/E1 leased lines and ISDN PRI circuits, perfectly suited for upload-heavy branch workloads including cloud backup, multi-party video conferencing and VoIP trunking.
3. Standardized ITU-T G.991.2 Interoperability: Fully compliant with global G.SHDSL industry standards, enabling seamless cross-vendor interoperability with all major carrier DSLAM platforms including Cisco’s full range of DSL aggregation equipment, eliminating vendor lock-in for WAN access services.
4. Rich ATM QoS & Multi-Service Traffic Scheduling: Built-in ATM per-PVC queuing and granular traffic shaping delivers precise bandwidth control to prioritize latency-sensitive real-time voice and video traffic over non-real-time bulk data transfers, supporting converged triple-play voice-video-data branch network deployments. Exclusive AAL2 multiplexing further optimizes VoIP bandwidth utilization on supported router platforms.
5. Complete Cisco IOS Software Ecosystem Integration: The WIC fully supports all core IOS routing, security, VPN, firewall and AAA feature suites, allowing unified policy management across LAN, WAN and remote access connections without requiring third-party external CPE modems or adapters. Unlike V1, V2 feature support is included in the base IP Base IOS feature set with no additional license requirementsCisco.
6. Fanless Passive Cooling High Reliability Design: Fanless onboard heat dissipation removes mechanical fan failure points, ensuring stable 24/7 continuous operation in unmanned remote branch equipment closets with minimal maintenance overhead. Low power consumption reduces overall router energy draw and data center cooling operational costs.
7. Broader Cross-Generation ISR Router Compatibility: Compared to the original WIC-1SHDSL V1 card limited to 2600/3600 series routers, WIC-1SHDSL-V2 extends compatibility to 1700, 3700 and ISR G2 1800/2800/3800 platforms, supporting mixed-generation router fleets for gradual hardware refresh cycles.

Supplementary Product Specification Notes

UNSPSC Classification Code

K9 Security Compliance Note

Factory Hardware Warranty Terms