4 port OC3/STM1 or 1-port OC12/STM4, rate-selectable PIC. Port-0 can be configured to OC12 which disables ports 1-3. Requires OC3 or OC12 SFP pluggable optics. See Interface Accessories section.

4 port OC3/STM1 or 1-port OC12/STM4, rate-selectable PIC. Port-0 can be configured to OC12 which disables ports 1-3. Requires OC3 or OC12 SFP pluggable optics. See Interface Accessories section. - Certified Pre-Owned