Ascent’s AX3517 is a chassis GPON platform which support GPON/XG(S)PON and fully compliance with ITU-T G.984/G.987/G.988/G.9807 standards. Coordinate with Ascent's ONT, it completes the end-to-end optical last mile with up to 10 Gbps bandwidth for triple play services to residential and business customers.
• ITU-T G.984/G.987/G.988/G.9807 compliant 10gbps/2.5gbps downstream and 10Gbps/2.5bps/1.25Gbps upstream PON interface
• Hybrid platform for GPON/XG(S)PON technology
• Power/CSM redundance, PON protection
• 272*GPON/208*XG(S)PON/240*XG(S)PON & GPON combo PON ports in 11U chassis
• Hot swap modular design
• Advanced L2/L3 functions
• Abundant QoS functions
• Unified NMS platform
• Remote provision and management
Dimensions (W×D×H) | 530 mm × 286 mm × 486 mm |
Weight | 46 kg |
Power | DC: ‑48 V (pluggable) Dual DC power redundancy |
Power Consumption | 1600 W (typical) |
Uplink | 4× 25GE/10GE + 4× 25GE/10GE interface on CSM 104× 25GE SFP28/10GE SFP+, 26× 100GE QSFP28 |
PON | 272× 16 GPON/208× XG(S)PON/240× GPON&XG(S) combo PON |
PON Fiber | SM, BIDI |
PON Interface type | SC/UPC |
Switch/Interface Specifications | |
Switch Capacity | 4.8 Tbps |
Flash Size | 64 MB + 8 GB (CSM), 64 MB (PON) |
Memory Size | 4 GB (CSM), 4 GB (PON) |
Split Ratio | 1:64 (GPON), 1:128 (XG(S)PON) |
Bandwidth | GPON: 1.25 Gbps (up), 2.5 Gbps (down) XGPON: 2.5 Gbps (up), 10 Gbps (down) XGSPON: 10 Gbps (up), 10 Gbps (down) |
PON Tx Power | 3 dBm to 7 dBm (C+), 4 dBm to 8 dBm (N2a) |
PON Rx Sensitivity | ‑30 dBm (C+), ‑29.5 dBm (N2a) |
PON Rx Overload | ‑12 dBm (C+), ‑9 dBm (N2a) |
Wavelength | PON: 1310 nm (up), 1490 nm (down) XG(S)PON: 1270 nm (up), 1577 nm (down) |
Compliance | ITU‑T G.984/G.987/G.988/G.9807 IEEE 802.1D, Spanning Tree IEEE 802.1Q, VLAN IEEE 802.1w, RSTP IEEE 802.3ad, LACP Ethernet – II |
Environment | |
Operating Temperature | 0 °C to 40 °C |
Storage Temperature | ‑40 °C to 70 °C |
Relative Humidity | 10 % to 90 %, non‑condensing |
Features
PON | Splitter Ratio: 1:128(GPON), 1:256(XG(S)PON) Support B+/C+(GPON), N1/N2(XG(S)PON) transceiver SN / Password / SN+Password ONU authentication FEC ONU Digital Diagnostic Monitor Rogue ONU Detection |
PTP | Support IEEE 1588 V2, G.8265.1, G.8275.1, G.8275.2 |
SyncE | Support G.8261, G.8262, G.8264 |
L2
| Line‑speed switch/forwarding 710K MAC address table Port‑based VLAN, Protocol‑based VLAN, 802.1q VLAN ONU‑based QinQ, 1:1/N:1 VLAN translate LACP/LAG STP/RSTP/MSTP Port Mirror Flow control / Back pressure Broadcast/DLF/Unknown Multicast storm control |
L3 | Switch Virtual Interface (SVI): IPv4/IPv6 Static Route Static/Dynamic ARP ICMP/Traceroute DHCP Server / DHCP Relay: IPv4/IPv6 |
Multicast
| IGMPv1/v2 snooping MLDv1 snooping IGMP snooping with Proxy Fast Leave |
QoS (Quality of Service)
| IEEE 802.1p, 8 CoS queue SP/WRR/SP+WRR IPv4 TOS/IP Predence Classification/Shaping/Policy/Rate limit/Schedule DBA ONU‑based bandwidth control in downstream |
Security
| SSH ACL User isolation Encryption in PON downstream DHCP Option82 / PPPoE+ |
OAM
| FTP/TFTP, Ethernet OAM SNMP v1 & v2c, Telnet (IPv4/IPv6), Console (CLI) In‑band/out‑band management Auto provision for ONU configuration PM |
