Cisco NIM-24A 4 Channel Async Serial interface Expansion Module for ISR4000 NIM24A

DESCRIPTION:
The Cisco NIM-24A is a 24-port asynchronous serial network interface module designed for the Cisco ISR 4000 Series routers. This high-density module provides reliable serial connectivity for legacy devices, out-of-band management, and low-speed WAN connections. It is commonly used in applications such as SCADA systems, retail POS, and industrial automation where RS-232 serial communication is still essential.

TECHNICAL SPECIFICATIONS:
Model Number: NIM-24A
Brand: Cisco
Ports: 24 asynchronous serial (RS-232) ports
Connector Type: 4 x RJ-45 octal cables (not included)
Compatibility: Cisco 4000 Series ISR (e.g., 4321, 4331, 4351)
Speed: Up to 230.4 kbps per port
Signaling: RS-232
Form Factor: Network Interface Module (NIM slot)
Hot Swappable: No
Power Source: Supplied by router chassis
Operating Temperature: 32°F to 104°F (0°C to 40°C)