[PB-4OC3-1OC12-SON2-SFP]
4-port OC-3/STM-1 or 1-port OC-12/STM-4, rate-selectable PIC. Port-0 can be configured to OC-12 which disables ports 1-3. Requires OC-3 or OC-12 SFP pluggable optics.