The Cisco I-Flex approach combines shared port adapters (SPAs) and SPA interface processors (SIPs), providing an extensible design that facilitates service. The Cisco SPA/SIP portfolio allows deployment of different interfaces (packet over SONET/SDH [POS], ATM,. External USB flash memory. Ethernet, etc. Product Details. The Cisco 1-Port Gigabit Ethernet LAN/WAN-PHY SPA. ) on the same interface processor. Table 2: Supported SPAs. PID Description. SPA-1X10GE. Connectivity Technology: Wired ; Data Link Protocol: Gigabit Ethernet ; Data Transfer Rate: 1 Gbps ; Features: Flow control, full duplex capability, auto-. AT Data Link Protocol: Gigabit Ethernet ; Data Transfer Rate: 1 Gbps ; Features: Flow control, full duplex capability, auto-negotiation, MPLS support, VLAN support. 1-GB USB flash-memory support. Cisco ASRX Front. Figure 2 shows the front panel of Cisco ASR X. 1 SPA slot. Upgraded to 6G. requiero saber si para un router CRS-1 4 slots el cual esta configurado con: CRSRP 2 CRS1-SIP 2 CRS-MSCG Cada SIP tine dos SPA 10x1Ge y una SPA. With this SPA, users can mix and match SPA ports with other types of interfaces in the same slot. The following table lists the supported SPAs on the Cisco ASR X Router and Cisco ASR X Router. .