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High efficiency Telecom IEEE 802.3ah EPON OLT with 4K VLAN entries , GE card

GCOM Technologies Co., Ltd.
GCOM Technologies Co., Ltd.
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-26981515
Contact Person:
Miss Lee

High efficiency Telecom IEEE 802.3ah EPON OLT with 4K VLAN entries , GE card

Brand Name : GCOM
Model Number : EL7500-16
Certification : CE, FC, UL, CCC
Place of Origin : China
MOQ : 1 pcs
Price : Negotiable
Payment Terms : T/T, L/C
Supply Ability : 1000 pcs/ month
Delivery Time : 15 working days
backplane bandwidth : 220Gbps
Switching Capacity : 176Gbps
Forwarding Capacity(Ipv4/Ipv6) : 131Mpps
Qty of total slots : 16
Qty of service slots : downlink 48*GEPON for the maximum Uplink 4* 10GE SFP+ / GE COMBO for the maximum
Redundancy Design : Double master redundancy Double power supply redundancy
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Cost-Effective GEPON OLT downlink 48*GEPON, Uplink 4* 10GE SFP+ / GE COMBO FTTB, FTTC, FTTH

Telecom IEEE 802.3ah EPON FTTx OLT Terminal Double Power Supply EL7500-16


EL7500-16 is the latest EPON OLT launched by GCOM. It uses modularized design concept, combined with advanced industrial design and manufacture technology to provide users with broadband access with moderate density, high reliability, flexible networking, easy installation and maintenance. EL7500-16 offers the IPv4/ IPv6 linear forward capacity, incomparable service performance, operational security attribute. Therefore, it can supply operational BBA network large capacity, high speed and high bandwidth data, voice and video service access for its high reliability, high scalability and super service performance. According to different user scenarios, EL7500-16 can be applied to FTTB, FTTC, FTTH, etc.

Purchase Information

Product nameProduct description
EL75MSUAEL7500-16,main control panel
EL75EP04AEL7500-16,EPON service port,4*EPON SFP(should be used with SFP EPON optical module)
EL75GC02AEL7500-16,GE card,2*GE COMBO
EL75XG02AEL7500-16,10 GE card,2*10GE SFP+(should be used with 10GE SFP+optical module)
NG01PWR450DC450W DC power supply module,input DC 36V~72V
NG01PWR450AC450W AC power supply module,input AC 90V~264V,47~63Hz

Service Features


PON Features

IEEE 802.3ah EPON

China Telecom/Unicom GEPON

PON transmission distance reaches 20 Km

Each PON port supports the max. 1:64 division ratio

Uplink and downlink triple churning encrypted function with 128Bits

ONU terminal legitimacy certification, report illegal ONU registration

DBA algorithm, the particle is 64Kbit/s

Standard OAM and extended OAM

ONU batch software upgrade, fixed time upgrade, real time upgrade

PON transmit and inspect receiving optical power

PON port optical power detection

L2 FeaturesMAC

32K MAC address

MAC Black Hole

Port MAC Limit

16K MAC address


4K VLAN entries

Port-based/MAC-based/protocol/IP subnet-based

QinQ and flexible QinQ (StackedVLAN)

VLAN Swap and VLAN Remark

PVLAN to realize port isolation and saving public-vlan resources


Spanning Tree


Remote loop detecting


Bi-directional bandwidth control

Static link aggregation and LACP(Link Aggregation Control Protocol)

Port mirroring



User’s Security



IP Source Guard create IP+VLAN+MAC+Port binding

Port Isolation

MAC address binding to the port and MAC address filtering

IEEE 802.1x and AAA/Radius authentication

Device Security

Anti-DOS attack(such as ARP,Synflood, Smurf, ICMP attack), ARP

detection, worm and Msblaster worm attack

SSHv2 Secure Shell

SNMP v3 encrypted management

Security IP login through Telnet

Hierarchical management and password protection of users

Network Security

User-based MAC and ARP traffic examination

Restrict ARP traffic of each user and force-out user with abnormal ARP traffic

Dynamic ARP table-based binding

IP+VLAN+MAC+Port binding

L2 to L7 ACL flow filtration mechanism on the 80 bytes of the head of user-defined packet

Port-based broadcast/multicast suppression and auto-shutdown risk port

URPF to prevent IP address counterfeit and attack

DHCP Option82 and PPPoE+ upload user’s physical location Plaintext authentication of OSPF,RIPv2 and BGPv4 packets and MD5

cryptograph authentication

IP routingIPv4

ARP Proxy

DHCP Relay

DHCP Server

Static route




Strategy route


Route policy

Service Features


Standard and extended ACL

Time Range ACL

Flow classification and flow definition based on source/destination MAC address,VLAN,802.1p,ToS,DiffServ,source/destination IP(IPv4/IPv6) address,TCP/UDP port number,protocol type, etc

packet filtration of L2~L7 deep to 80 bytes of IP packet head


Rate-limit to packet sending/receiving speed of port or self-defined flow and provide general flow monitor and two-speed tri-color monitor of self-defined flow

Priority remark to port or self-defined flow and provide 802.1P, DSCP priority and Remark

CAR(Committed Access Rate),Traffic Shaping and flow statistics

Packet mirror and redirection of interface and self-defined flow

Super queue scheduler based on port or self-defined flow. Each port/

flow supports 8 priority queues and scheduler of SP, WRR and


Congestion avoid mechanism,including Tail-Drop and WRED



IGMPv1/v2/v3 Snooping

IGMP Filter

MVR and cross VLAN multicast copy

IGMP Fast leave

IGMP Proxy



MLDv2/MLDv2 Snooping

ReliabilityLoop Protection

EAPS and GERP (recover-time <50ms)


Link Protection

FlexLink (recover-time <50ms)

RSTP/MSTP (recover-time <1s)

LACP (recover-time <10ms)


Device Protection

VRRP host backup

Double fault-tolerant backup of host program and configuration files

1+1 power hot backup

Fan/board redundancy

MaintenanceNetwork Maintenance

Port real-time, utilization and transmit/receive statistic based on Telnet


RFC3176 sFlow analysis


802.3ah Ethernet OAM

RFC 3164 BSD syslog Protocol

Ping and Traceroute

Device Management

CLI, Console port, Telnet and WEB


RMON (Remote Monitoring)1,2,3,9 groups MIB


NGBNView network management

Product Specification

backplane bandwidth220Gbps
Switching Capacity176Gbps
Forwarding Capacity(Ipv4/Ipv6)131Mpps
Qty of total slots16
Qty of service slots14
Service port

downlink 48*GEPON for the maximum

Uplink 4* 10GE SFP+ / GE COMBO for the maximum

Redundancy Design

Double master redundancy

Double power supply redundancy

Power Supply

AC:input 90~264V,47~63Hz

DC:input 36V~72V

Power Consumption≤300W
Dimensions (Width x Depth x Height)483mm×352mm×364mm
Weight (Full-Loaded)≤26kg
Environmental Requirements

Working temperature:-10°C~45°C

Storage temperature:-40C~70C

Relative humidity:10%~90%,non-condensing

Product Tags:

gpon olt



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High efficiency Telecom IEEE 802.3ah EPON OLT with 4K VLAN entries , GE card Images

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