Shahed Israr

Shahed Israr is a Network Engineer specializing in GPON, FTTH, and telecom access network technologies. With hands-on experience in Huawei OLT and ONT configuration, U2000 NMS deployment, iMaster NCE-FAN Lite management systems, firmware upgrades, and advanced network troubleshooting, he helps Internet Service Providers (ISPs) and network professionals deploy, manage, and optimize fiber optic networks efficiently. Through GPON Solution, he shares practical technical guides, real-world solutions, and professional knowledge to support engineers working in modern GPON infrastructure.

Huawei 8Ports H806GPBD GPON Board

October 24, 2015July 4, 2012 by Shahed Israr

Huawei 8Ports H806GPBD GPON Board

Huawei 8Ports H806GPBD GPON Board works together with the optical network terminal (ONT) to provide GPON access services.

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H806GPBD Overview

Eight GPON SFP ports
A maximum of 1:128 split ratio
Class B+ and Class C+ optical modules
Received signal strength indicator (RSSI) detection and controlled optical signal
transmission of the optical module
ONU-based queue shaping
Optical performance monitor (OPM)
Automatic power shutdown in case of a high temperature

H806GPBD Specification and Datasheet

ZyXEL GPON OLT2412 Series

October 24, 2015July 4, 2012 by Shahed Israr

ZyXEL GPON OLT2412 Series:

The ZyXEL GPON OLT2412 Series provides up to 2048 FTTH subscribers with eight PON line cards that supports at least 32 ITU-T G.984 GPON fiber links or eight GbE line cards for 32 active non-blocking Gigabit Ethernet fiber links. The GPON line card supports the split ratio of at least 1:64, while each of the four SFP slots supports both class C+ and class B+ transceivers for different service reaches. The temperature hardened design allows service providers to install ZyXEL GPON OLT2412 Series in street cabinets to provide services for more subscribers. [boxads]

32 ITU-T G.984-compliant GPON ports with each port supports up to 64 ONTs
Two management switching cards plus two power module for redundancy
Four 10 GbE and four 1 GbE uplink ports
10 GbE backplane bandwidth per line card slot for non-blocking services
Four PON or GbE ports per line card
ITU-T G.984.1 type A and type B for protection
Temperature-hardened
All front-access and hotswappable design

IPv6-ready

The ZyXEL GPON OLT2412 Series supports Dual Stack. By supporting MLD, IGMP as well as other comprehensive IPTV functions, the OLT2412 Series can be deployed in either IPv4 or IPv6 environments. Users can also provision protocol-based VLAN for IPv6 traffic or assign various IPv6 access control list profiles for each subscriber.

Traffic protection

The ZyXEL GPON OLT2412 Series provides two types of PON protection defined in ITU-T G.984, type A and type B, to prevent fiber cuts or PON card failures. With all common modules supporting redundancy, the OLT2412 Series is able to avoid single-point failures to ensure non-stop user traffics, and service providers can benefit from applying VLAN bridging, VLAN translation, VLAN isolation and Multicast VLAN to quickly setup services for various types of subscribers. The OLT2412 Series also supports comprehensive QoS and complete traffic management for efficient triple-play services.

GPON ZyXEL OLT 2406 Series

October 24, 2015July 4, 2012 by Shahed Israr

GPON ZyXEL OLT 2406 Series:

GPON ZyXEL OLT 2406 Series provides up to 1024 FTTH subscribers with four PON line cards that support four ITU-T G.984 GPON fiber links or four GbE line cards for 16 active non-blocking Gigabit Ethernet fiber links. The GPON line card supports the split ratio of at least 1:64, while each of the four SFP slots supports both class C+ and class B+ transceivers for different service reaches. The temperature-hardened design allows service providers to install OLT2406 Series in street cabinets to provide services for more subscribers. [boxads]

Sixteen ITU-T G.984-compliant GPON ports with each port supports up to 64 ONTs
Two management switching cards plus two power module for redundancy
Four 10 GbE and two GbE uplink ports
10 GbE backplane bandwidth per line card slot for non-blocking services
Four PON or GbE ports per line card
ITU-T G.984.1 type A and type B for protection
Temperature-hardened
All front-access and hotswappable design

IPv6-ready

The OLT2406 Series supports Dual Stack. By supporting MLD, IGMP as well as other comprehensive IPTV functions, the OLT2406 Series can be deployed in either IPv4 or IPv6 environments. Users can also provision protocol-based VLAN for IPv6 traffic or assign various IPv6 access control list profiles for each subscriber.

Traffic protection

The OLT2406 Series provides two types of PON protection defined in ITU-T G.984, type A and type B, to prevent fiber cuts or PON card failures. With all common modules supporting redundancy, the OLT2406 Series is able to avoid single-point failures to ensure non-stop user traffics, and service providers can benefit from applying VLAN bridging, VLAN translation, VLAN isolation and Multicast VLAN to quickly setup services for various types of subscribers. The OLT2406 Series also supports comprehensive QoS and complete traffic management for efficient triple-play services.

ZyXEL GEPON OLT 1308S-22

October 24, 2015July 4, 2012 by Shahed Israr

ZyXEL GEPON OLT 1308S-22:

ZyXEL GEPON OLT 1308S-22 is a mini chassis with a Layer 2 GEPON switch featuring 8 GEPON ports (including 3 PON modules), 4 Gigabit uplink ports (2 copper and 2 combo ports) and one 10/100 Mbps Ethernet port for out-of-band management. ZyXEL’s OLT-1308S-22 GEPON system (8-port GEPON Optical Line Terminal with 4-port GbE Switch) is located in the operator’s central office, while different types of Optical Network Units (ONU) are located at customer premises for FTTB/FTTH connections. The ZyXEL GEPON OLT 1308S-22 is connected by a single fiber to an optical power splitter that supplies the optical signal to as many as 512 sets of ONUs (each OLT PON port supports up to 64 ONU sets). For CPE compatibility, ZyXEL provides several models for different network architecture needs. [boxads]

8 GEPON SFP open slots with DDMI support
1000BASE-PX20 SFP for 20 km distance support
2 Gigabit combo + 2 GbE SFP uplink ports compliant with IEEE 802.3/u/ab
Up to 4 trunking ports for uplinks
Support up to 64 ONUs per PON interface
Support FEC
Support AES or Triple Churning Encryption
Support 4 LLIDs per ONU
16K MAC addresses table
Management through console, Telnet, SNMP or Web management
FTP for firmware upgrades
Configuration saving and retrieving
Overheat detection
LED indicators for link status
AC/DC power input for redundancy
PON port redundancy
Hot swappable fan module and PON modules

Troubleshoot commands of Huawei ONT

October 26, 2015June 30, 2012 by Shahed Israr

Troubleshoot commands of Huawei ONT:

[bodyads]Huawei OLT Troubleshoot commands:
To show Service port:

Huawei-OLT#config
Huawei-OLT(config)#display service-port 500

To show Service port by port:

Huawei-OLT(config)#display service-port port 0/0/6 ont 0

[Here PortID :6, ONTID :0 ]

To Show ONT Info:

Huawei-OLT(config)#interface gpon 0/0
Huawei-OLT(config-if-gpon-0/0)#display ont info 6 0

To Show Port State [Port up/down]:

Huawei-OLT(config-if-gpon-0/0)#display ont port state 6 0 eth-port all
Huawei-OLT(config-if-gpon-0/0)#display ont port attribute 6 0 eth 1

To Show Statistics:

Huawei-OLT(config-if-gpon-0/0)#display statistics ont-eth 6 0 ont-port 1

To Show Traffic:

Huawei-OLT(config-if-gpon-0/0)#display ont traffic 6 0 1

To Show Optical Info:

Huawei ONT LED Status & it’s Function

October 24, 2015June 27, 2012 by Shahed Israr

Huawei ONT LED Status & it’s Function:

There are many LEDs in Huawei ONT. Such as CATV, WPS, WLAN, USB, TEL1 – TEL2, LAN1 – LAN4, LOS/PON, POWER. We can simply troubleshoot by follow Huawei ONT LED Status. So at first we need to introduce with every ONT LEDs & it’s function. So let’s go…….[boxads]

NOTE:
In the preceding table, if the LED status is marked “Blinking” but the frequency is not specified, it indicates that the blinking frequency of the LED is determined by the data traffic transmitted.