Hardware Specifications
| Vendor/Brand | Adtran |
| Model | SDX 621X |
| Part Number | 1287823F1, 1287823F2 (UK) |
| Chipset | |
| Flash | |
| RAM | |
| System | Mosaic OS |
| 10GBaseT | Yes (1x 100M/1G/2.5G/5G/10G + 1x 10/100/1000) |
| Optics | SFP+ pluggable XGS-PON WAN port |
| IP address | |
| Web Gui | |
| SSH | |
| Telnet | |
| Serial | |
| Serial baud | |
| Serial encoding | |
| Form Factor | ONT |
The SDX 621X is a 10G XGS-PON single family unit (SFU) ONT of the Adtran SDX 600 series. Unlike the SDX 621, which has the optics on board, the 621X has a pluggable SFP+ WAN port for the XGS-PON optics, two Ethernet ports (10GE and 1GE) and two POTS ports.
Specifications
From the ADTRAN 621X datasheet:
| PON | XGS-PON (ITU-T G.9807) on SFP+ pluggable, Class B+ and Class G optics, DBA |
| Ethernet | 1x RJ-45 100M/1/2.5/5/10GBase-T, 1x RJ-45 10/100/1000Base-T, 10 Gbps symmetric |
| POTS | 2x RJ-11, 3-REN, SIP and MGCP VoIP, GR-303, GR-57 and TR-08 TDM voice |
| Ethernet services | 802.1D bridging, 802.1x, 8 queues (SP/WFQ), VLAN 0-4095, Q-in-Q, 9k jumbo frames |
| Power supply | 12 VDC (external AC/DC adapter), dying gasp, multi-pin connector for UPS power and alarms |
| Power consumption | < 20 W |
| Operating temperature | 0 °C ~ 40 °C |
| Relative humidity | 5% ~ 95% |
| Dimensions (L x W x H) | 6.4" x 9.75" x 1.5" (163 x 248 x 38 mm) |
| LEDs | Status, Network, Voice, Data |