... board for AR2240, SRU40 and SRU80 (Service and Router Unit). SRU40 can provide 2Mpps packet forwarding performance and ... cards, including Ethernet interface cards, E1/T1/PRI/VE1 interface cards, synchronous/asynchronous interface cards, ADSL2+/G.SHDSL interface ... shared with XSIC slots)01DSP slots13USB 2.0 ports22Mini-USB ports11Serial auxiliary/console port11Memory2 GB2 GBFlash (default/max)2 ...