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BOX OLT

product description：

GSD1000S cassette OLT device is miniaturized high thing of the company for the launch of a small-scale EPON access scenarios. GSD1000S using 1U 19 inch standard machine box, configure 4-8 fixed PON ports, high reliability, low cost, easy to use, deploy and flexible features.

GSD1000S built powerful switching modules, support full-service gigabit wire-speed forwarding, support rich Layer 2 protocol; built-in network module, support the band, band network management, support command line, SNMP, high matter of graphical network management platform EMS centralized network management;

GSD1000S coverage 20KM, generally deployed in the central office, the resident community room, directly attached to the user at the ONU by ODN network. Depending on the user scenario, the product can meet the application FTTB, FTTC, FTTH access other occasions, is the best choice for low-input operators construction EPON access network.

Features：

Miniaturized, low-cost, flexible deployment, suitable for deployment in ONU access density is not high, small and medium sized networks;

Layer aggregation switching, support port VLAN, flexible QinQ, link aggregation for network operators to offer a variety of flexible options;

QOS support, hardware-based implementations DBA dynamic bandwidth allocation in the downstream direction can configure multiple priority scheduling queue, a fundamental guarantee for the high-priority services can be guaranteed QOS.

Rich OAM functions, the system supports ONU auto-discovery, auto registration, support for single link automatic loopback testing capabilities to support port-based, protocol-based VLAN support IGMP Proxy, Snooping function, ACL packet filtering based on port, packet classification, port-based traffic control, traffic shaping and other rich operable and management features.

. Complete network management functions support centralized management of my company s integrated network management platform EMS software supports native command line management, SNMP management, support the band, band network management;

EMS network C / S architecture-based design, with a complete network management capabilities. Supports automatic network topology, manually topological modification, support for OLT, ONU software online upgrade;

Easy to install, easy to maintain, plug and play device is turned on to work properly, ONU automatically registered, no additional configuration; the device after the device deployed operational status monitoring and configuration operations necessary business through a remote management platform.

Technical Parameters：

project	Performance parameters
Uplink port	Physical interface: 4-8 100 / 1000M adaptive electrical port, RJ45; 4-8 gigabit SFP interfaces, 1000BASE-LX;
PON interface	Quantity: 4-8 Physical interfaces: SFP slots Interface Type: 1000BASE-PX20 The maximum splitting ratio: one sixty-four
Management port	A 10BASE-T Ethernet port band A local management interface CONSOLE
PON optical interface specification (applicable to the company s PON module)	Transmission distance: 20KM Port rate: 1.25Gbps symmetry Wavelength: Send 1490nm, 1310nm reception Launched optic power: + 2 ~ + 7dBm Receiving sensitivity: -27dBm Saturated optical power: -6dBm
NMS way	Support SNMP, TELNET, local network management; integrated network management platform to support the company EMS centralized network management;
Network capacity	Fan testing; Port status monitoring, configuration management; Layer switching configuration management section, such as VLAN, TRUNK, RSTP, IGMP, QOS and other configuration management EPON some functions, such as: DBA bandwidth allocation, ONU authentication, ACL configuration, QOS, etc. Access ONU configuration and management (see ONU specifications) User Management Alarm Management
Floor of the exchange part	Support port VLAN, protocol VLAN; support VLAN TAG / UNTAG, VLAN transparent transmission, VLAN conversion; supports 4096 VLAN; Support 802.3ad link aggregation (TRUNK) Supports RSTP Rapid Spanning Tree Port-based, VID, TOS, MAC address QOS Support IGMP Snooping Support 802.1x flow control Support port performance statistics
EPON section	Accord IEEE802.3ah EPON protocol Supports downstream data encryption Support DBA bandwidth allocation It supports standard OAM and extended OAM Support ONU Certification Dynamic Ranging Support Support ACL packet filtering Support QOS, traffic classification and marking Support RSTP, IGMP Proxy

Ordering Guide：

GSD-100	0S
Gaoshida Cassette OLT Model	4: 4 PON ports 8: 8 PON port

Failure Analysis：
1 Power Check the following items to help separate issues:
Check the ambient conditions, you can not let EPON access equipment from overheating. Confirm EPON access equipment into and out of the pores clean. Recall "General site requirements." EPON access equipment requires temperatures workplace is -40 ° -85 °
As EPON access equipment can not start, and the "PWR" light is off, check the power supply.
2 ports, cables, and connection failure
If the port can not LINK EPON access equipment on, check the connection cables are correct, the peer connection is normal;
As the system starts, but Console port does not work, make sure the Console port is configured as 9600 baud, 8 data bits, no parity check bits, 1 stop bit, no flow control.