Huawei EchoLife OT925-G User Manual page 19

EchoLife OT925-G
User Guide
1.1
System Overview
The EchoLife OT925-G is a single business unit (SBU) for commercial users. It provides
Gigabit-capable Passive Optical Network (GPON) access with the upstream rate 1.244 Gbit/s and
downstream rate 2.488 Gbit/s to satisfy the requirements on voice, data and video services over a
single optical fiber.
The OT925-G resides in the GPON user access layer, connecting to the Synchronous Digital
Hierarchy (SDH), Digital Data Network (DDN), Public Switched Telephone Network (PSTN), and
Internet Protocol (IP) network through the optical uplink port.
The OT925-G meets the networking requirements on Time Division Multiplexing (TDM) dedicated
line access, Ethernet dedicated line access, base station transmission, and Fiber To The Building
(FTTB).
The OT925-G supports optical network termination management and control interface (OMCI),
which helps the service provider to provision services remotely and network maintenance engineer
to maintain and manage the device remotely.
.1
SDH
OT925-G
FE
FE
STB
TV PC
Issue 02 (2007-08-30)
Typical application of the OT925-G
DDN PSTN
OLT
Optical splitter
OT925-G
GE/FE E1
LAN switch PBX
Huawei Technologies Proprietary
IP
OT925-G
E1
Base station
Tables
xiii