INFORMATION

 Overview                   

BD-24E1-GE-CON is a Gigabit Ethernet aggregator with inverse
multiplexing and VLAN TAG function; it provides three gigabit Ethernet
interfaces (2 electrical and 1 optical Ethernet interfaces) compliant with IEEE
802.3 series standard and up to 24 E1 interfaces. It can separate the Ethernet
data from GE port (the carried VLAN Tag correspond to different VCG channels),
encapsulate them into EoPDH signal, and then into E1 signal; in the opposite
direction, it can de-map the Ethernet data from E1 signal, aggregate them into
GE port. 

BD-24E1-GE-CON supports 16 VCG channels, and each VCG channel
can be configured to work in single E1 mode or Multi-E1 conversion mode
independently, In single E1 conversion mode, each channel bandwidth is one E1;
In multi-E1 conversion mode, the maximum bandwidth of each channel is 16 E1.

BD-24E1-GE-CON can be used in the traffic convergent network,
supports point-to-multipoint application; it supports NE management based on
simple CLI command via RS232 type; meanwhile, it supports SNMP_V1 and SNMP_V2
protocol, supports network management platform NetView based on C/S
architecture, which is easy for device configuration, management and
maintenance.

With EoPDH (Ethernet over PDH) technology compliant to ITU-T
G.7041, G.7042, G.7043 and G.8040 standards, BD-24E1-GE-CON can communicate
with products from other vendors adopting the same standards.

 Features

n   Compact
design with 1U height, 19 inch, 205mm depth, and can be installed on standard
rack

n   E1
interface

Ø  Provides 8/16/24 E1 interfaces, compliant to G.703, and
balanced/unbalanced selectable

Ø  Jitter tolerance, jitter transfer characteristic and
jitter generation fully comply with ITU-T G.823 and G.742 recommendations

Ø  Supports E1 line loop and device loop

Ø  Supports E1 BERT function

n   Ethernet
interface

Ø  One fiber gigabit Ethernet interface and two copper gigabit
Ethernet interfaces compliant with IEEE802.3 serial standard;

Ø  The copper gigabit Ethernet interfaces adopt RJ45
connector, support auto-negotiation, which can work in 1000M full-duplex, 100M
full/half-duplex, 10M full/half-duplex mode;

Ø  The fiber gigabit Ethernet interface adopts 1.25G SFP
module, which can work in 1000M full-duplex mode, transmission distance is
optional (depend on the SFP optical module);

Ø  Proprietary technique (patent pending) adopted to prevent
Ethernet frames from looping back in case of unexpected transmission line
loopback;

Ø  Supports unicast, multicast and broadcast frame;

Ø  Supports flow control and broadcast storm filtering
control;

Ø  4K MAC address table, with optional 12s / 300s ageing
time configurable, the default is 300s;

Ø  Supports MAC address dynamic learning function;

Ø  Accepts frames with length between 64 and 1552 bytes
(otherwise filtering);

Ø  Supports port-based VLAN and IEEE802.1Q tag-based VLAN;

Ø  Supports up to 30 VLAN table

Ø  Provides performance statistic for each Ethernet
interface;

Ø  Supports QinQ(Double Tag VLAN);

Ø  Supports port rate control for LAN port

n   Ethernet
encapsulation

Ø  In single E1 mode, it supports GFP-F encapsulation compatible
with ITU-T G.7041 recommendation and HDLC encapsulation compatible with RJ017, under
HDLC encapsulation, it supports framed PCM31/ unframed mode;

Ø  In Multi-E1 conversion mode, it supports GFP-F
encapsulation;

n   Communication
with remote equipment

Ø  In single E1 mode, it supports communication with the
remote BD-FE1-ETH converter and the equipment adopted the same Ethernet
encapsulation from other vendor;

Ø  In Multi-E1 conversion mode, it can communicate with the
remote SEOP series, and the equipment adopted the same Ethernet encapsulation
from other vendor ;

n   Compliant
to ITU-T standards

Ø  GFP-F encapsulation , compatible with ITU-T G.7041
recommendation;

Ø  Virtual concatenation (VCAT) and Link Capacity Adjustment
Scheme (LCAS) recommendation G.7042;

Ø  Ethernet to nxE1 mapping recommendation G.7043;

Ø  Ethernet to single E1 mapping recommendation G.8040;

n   NE
Management

Ø  Supports Simple Network Management Protocol (SNMP), compatible
with V1 and V2C protocol;

Ø  Supports FTP protocol and firmware download online without
disturbance of existing traffic;

Ø  Monitoring the alarms and status in real-time;

n   Supports
hot-spare power, the power consumption is less than 20W

Ø  -48V DC single power access;

Ø  -48V DC double power access;

Ø  220V AC single power access;

Ø  220V AC double power access;

Ø  -48V DC+220V AC double power access.

Typical Application

BD-24E1-GE-CON
supports point-to-multipoint network application; the remote can be EOP series,
FE1-ETH equipment, to meet the various bandwidth requirements. Each BD-24E1-GE-CON
supports 24 E1s and 16 VCG channels at most. In the application, the Ethernet
service of each remote user can be carried by different VCG channels, each VCG
can be assigned to 1~16 E1 flexibility and the total bandwidth of the 16 VCG
channels cannot be exceeds 24E1s.

In
addition, EOP4/8/16 series is a 3FE+1FX or 4FE converter with one VCG channel
and 4/8/16 E1, supports SNMP and CLI management;

As
shown in Figure3-1, with EoPDH and VLAN technology, the remote Ethernet service
can be transmitted and converged into the service center (Router) by BD-24E1-GE-CON;
BD-24E1-GE-CON also supports E1 management channel, the remote Ethernet
management data can be transmitted by the E1 management channel and then
converged into the local BD-24E1-GE-CON, thus all the management information
can be controlled by the local NMS.

Figure 3-1 Typical
Application

 Equipment View

The BD-24E1-GE-CON equipment is of compact structure,
with 19 inch and 1U height subrack.

Figure 4-1-1 Equipment 3D View

3.2Front Panel

 Front Panel

Figure  Front Panel

Rear Panel

Figure  Rear Panel

Technical Specification

Table  Ethernet optical parameters (dual fiber, 15Km)

Table  Ethernet optical parameters (dual fiber, 30Km)

Table Optical
parameters (dual fiber, 80Km)

Table Optical
parameters (dual fiber, 120Km)

Table Optical
parameters (single fiber, 15Km)

Note：

1. The overload input optical power requirement must be
obeyed ; otherwise the optical module may be damaged!

2.
The SFP optical module is optional for users, and the parameters above is just
an reference value; if users
select the SFP module supplied by us, the parameters of the SFP module is as the
above tables shows; if users purchase other types of SFP optical module by
themselves, the parameters may be different. 

Table  Electrical Ethernet Interface

Table Ethernet Parameters

Table RS232 network management interface (CONSOLE)

Table  Power supply

Table Dimensions

Table Environment requirements

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