| A9K-RSP-4G Specifications | |
| CPU | ◦ High-performance dual-core processors | 
| Memory internal | ◦ 4-GB Error-Correcting Code (ECC)-protected DRAM for A9K-RSP-4G ◦ Hard disk: 40-GB SAS HDD ◦ 4-GB eUSB Flash memory | 
| Memory external | ◦ 1-GB Compact Flash ◦ Timing (two independent clock source connections) ◦ RJ-45 connector for external timing reference interfaces (for example, BITS/SSU) | 
| Management | ◦ Two 10/100/1000 BASE-T (RJ-45) LAN management ports ◦ One console port ◦ One auxiliary port | 
| Alarms | Alarm outputs: Critical alarm (CR), major alarm (MJ), and minor alarm (MN) | 
| LEDs | ◦ Amber alarm cut-off (ACO) and lamp test ◦ System synchronization alarm (SYNC) ◦ Compact Flash activity (CF) ◦ Hard Disk Drive (HDD) ◦ Fan tray visual indicator (UFAN/LFAN) | 
 
                     
                
                 
                 
                        







 
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                    