| Link encapsulations | Ethernet II and IEEE 802.1q encapsulations |
| Packet memory | 512 MB |
| Central-forwarding-engine compatibility | The line cards are compatible with the Cisco 7600 Series Supervisor Engine 720-3B/3BXL and Cisco 7600 Series Route Switch Processor 720 (RSP720) and later. |
| Operating temperature | 32 to 104°F (0 to 40°C) |
| Shipping weight | 8 lb (3.64 kg) |
| Physical dimensions | The Cisco 7600 ES+ 4TG3C, 7600 ES+ 4TG3CXL line cards occupy one module slot and can be operated in all Cisco 7600 series routers except the Cisco 7603 router. |
| Relative humidity | 10 to 90 percent, noncondensing |
| Storage temperature | –4 to 149°F (–20 to 65°C) |
| Minimum software | Cisco IOS® Software Release 12.2(33)SRD or later |
| Regulatory compliance | CE Marking |
| Line-card form factor | 4-port 10 GE or 40-port GE and 2-port 10 GE or 20-port GE |