This datasheet provides a technical overview of the Cisco Catalyst C3850-NM-4-1G network module and the associated 3850 Series switch ecosystem, specifically tailored for the inventory and professional services offered by SKYRS in Pakistan.
Cisco C3850-NM-4-1G Network Module Overview
The C3850-NM-4-1G is a versatile, hot-swappable expansion module designed for the Cisco Catalyst 3850 Series switches. It provides four additional 1 Gigabit Ethernet (1GbE) SFP slots, allowing for flexible fiber or copper uplink connectivity to distribution switches or servers.
Core Technical Specifications
| Feature | Specification |
| Interface Type | SFP (Small Form-factor Pluggable) |
| Total Ports | 4 Slots |
| Port Speed | 1000 Mbps (1 Gbps) per slot |
| Media Support | Fiber (SX, LX, LH) and Copper (1000Base-T) |
| Aggregate Bandwidth | 4 Gbps |
| Compatibility | All Cisco 3850 Series Chassis (24 and 48 port) |
| Hot-Swappable | Yes; can be swapped while the switch is powered |
Cisco 3850 Switch Variants Available at SKYRS Pakistan
To complement the NM-4-1G module, SKYRS maintains local stock of the following 3850 chassis variants to serve the Pakistani enterprise and data center market:
Standard and PoE+ Models
WS-C3850-24T-L/S/E: 24 Port Data-only (LAN Base, IP Base, or IP Services).
WS-C3850-48P-L/S/E: 48 Port PoE+ (30W per port) for IP Telephony and Security.
WS-C3850-48F-L/S/E: 48 Port Full PoE+ (total 1100W power budget).
Advanced Capacity Models
WS-C3850-12S / 24S: SFP-based fiber aggregation switches.
WS-C3850-24U / 48U: Universal PoE (UPoE) models providing up to 60W per port for high-end IoT and Wi-Fi 6 APs.
SKYRS Deployment and Physical Installation
SKYRS provides end-to-end physical deployment services for the 3850 series across Pakistan, ensuring hardware is installed to international standards.
Hardware Integration
Module Seating: Professional on-site installation of the C3850-NM-4-1G into the expansion slot with verification of the internal bus connection.
StackWise-480 Cabling: Physical installation of stacking cables to enable 480 Gbps of backplane throughput between up to 9 physical units.
Transceiver Deployment: Installation of SFP-1G-SX (Multi-mode) or SFP-1G-LX (Single-mode) modules for fiber backhaul.
Resiliency Setup
Redundant Power: Installation of secondary AC/DC power supplies for 1+1 redundancy.
StackPower Integration: Deployment of StackPower cables to share power pools across the switch stack, exclusively available at SKYRS.
Expert Configuration and Managed Services at SKYRS
Configuration of the C3850-NM-4-1G requires precise logic to ensure network stability. SKYRS certified engineers handle:
EtherChannel/LACP: Grouping the 4 x 1G ports into a 4G logical link for redundancy and load balancing.
VLAN Trunking: Configuring 802.1Q trunks to transport multiple network segments (Voice, CCTV, Data) over the fiber uplinks.
Stack Master Optimization: Setting priority levels for the Stack Master and Standby switches to ensure sub-second failover.
Port Security & ACLs: Implementing Access Control Lists and MAC-based security on the SFP ports.
Wired/Wireless Convergence: Setting up the integrated wireless controller on the 3850 to manage local Access Points.
Availability and Support at SKYRS
SKYRS is the premier source for Cisco 3850 infrastructure in Pakistan, providing:
Ready Local Stock: Units available for immediate dispatch in Karachi, Lahore, and Islamabad.
Technical On-Site Support: Direct access to experts for troubleshooting and network audits.
Local Warranty: Reliable hardware replacement and RMA support within the country.
Skyrs is the only vendor in Pakistan providing specialized Cisco C3850-NM-4-1G switches firewall server equipment for call center environments. We supply various variants to software houses needing reliable infrastructure for Zoom and RingCentral across all major cities.
The cisco C3850-NM-4-1G network module provides four 1-Gigabit SFP ports for enterprise connectivity. This module enables efficient switches firewall server routing to maintain high-quality voice traffic for global call centers.
This hardware expands your network capacity while ensuring high availability for critical business applications.
cisco C3850-NM-4-1Gswitches firewall server throughput limit: It supports wirespeed performance across all four SFP ports.
cisco C3850-NM-4-1Gswitches firewall server memory upgrade: These units integrate seamlessly with the switch’s existing 4 GB RAM.
Flexibility: The module allows for easy interchangeability within the Cisco Catalyst 3850 series chassis.
Connectivity: It supports both fiber and copper SFP transceivers for diverse networking requirements.
Skyrs serves as the premier cisco switches firewall server equipment series distributor Pakistan for all corporate needs.
cisco C3850-NM-4-1Gswitches firewall server price in Karachi / Peshawar: We offer the best market rates today.
cisco C3850-NM-4-1Gswitches firewall server price in Faisalabad / KPK / Quetta: Skyrs ensures rapid delivery to these regions.
Buy cisco switches firewall server equipment Lahore/Islamabad: Visit our offices for a cisco C3850-NM-4-1Gswitches firewall server bulk quote.
Our expert team facilitates a seamless cisco switches firewall server Migration to modernize your office network infrastructure.
cisco C3850-NM-4-1Gswitches firewall server configuration guide: Use our portal for an optimized cisco switches firewall server VLAN configuration.
cisco C3850-NM-4-1Gswitches firewall server ROMMON update: Keep your hardware stable with the latest verified bootloader versions.
cisco C3850-NM-4-1Gswitches firewall server security license activation: We assist in enabling advanced IP Base or Services features.
cisco C3850-NM-4-1Gswitches firewall server rack mount kit nload: We supply original mounting hardware for secure installation.
| Feature | Cisco C3850-NM-4-1G | MikroTik / Aruba / Huawei | Palo Alto / H3C / Ruijie |
| Compatibility | Native Catalyst 3850 | External Modules | Limited Options |
| Reliability | Industry Gold Standard | Cost-Effective | Enterprise Entry |
| Hot Swappable | Fully Supported | Varies by Model | Limited Support |
While MikroTik, H3C, Aruba, Ruijie, Huawei, and Palo Alto offer solutions, Cisco remains the global benchmark. Skyrs provides the best cisco switches firewall server equipment for call center call centre in Pakistan for specialized needs.
cisco C3850-NM-4-1Gswitches firewall server EOSL date 2025: Official support concludes soon, making early upgrades vital.
cisco C3850-NM-4-1Gswitches firewall server used price 2026: Skyrs offers certified refurbished units at competitive prices.
Product Resources:
External: Official Cisco 3850 Series Datasheet
Internal: Browse Cisco Variants at Skyrs.com.pk
What is the Cisco switches firewall server price in Pakistan for new modules?
Prices fluctuate daily; however, we provide the most stable wholesale quotes for the Pakistan market.
How to reset cisco switches firewall server equipment switches firewall server?
Press the Mode button for ten seconds to clear the configuration and restore factory defaults.
Where can I find a cisco switches firewall server firmware update download?
Skyrs provides authorized access to software updates and C3850-NM-4-10G datasheets download.
What is the cisco switches firewall server KX-HDV430 PoE power budget?
The switch manages the budget; ensure your power supply meets the requirements for your IP phones.
Is Skyrs the only vendor with all Cisco variants in Pakistan?
Yes, we maintain an extensive inventory for call centers and software houses in all major cities.
