1. DHODT-LMXE

  • SDH STM-1/STM-4/STM-16 Add-Drop Multiplexer
As a key member of VeeCOM "MetroEdge-Express" SDH/MSPP Product family, DHODT-LMXE is a carrier-class, cost-effective, compact (only 3U high) STM-1/STM-4/STM-16 SDH/MSPP platform that is designed for applications in metro and access networks to facilitate the efficient transport of traditional TDM and emerging data traffic for service providers.
DHODT-LMXE is a card based compact SDH equipment, designed mainly as a gateway node between the core SDH network and a number of remote CPE boxes. It may also be used as a multi service SDH ADM node in a typical ring or mash network. The 3RU high 19 inch wide chassis of the DHODT-LMXE has 19 card positions, with 2 slots for the 1+1 power cards, 1 slot for network management card, 2 slots for network interface unit(NIU) cards, and 14 slots for local interface unit(LIU) cards.
 
Features
1.        Support 1+1 MSP, SNCP protection
2.        Management channel can be DCC bytes or E1 (VC12)
3.        Support up to STM-4 rate
4.        E1 BERT test is embedded
5.        Ethernet service supporting GFP encapsulation, VC12 virtual concatenation (1~63 VC12) and LCAS
6.        Large cross-connect matrix capacity is 1134x1134 VC-12s (18x18 VC-4s) and powerful networking ability
7.        Inter-working with popular SDH/MSPP products of various vendors
8.        Easy commissioning and maintenance
9.        High integration, compact design
10.    High reliability, low CAPEX and OPEX
 
Technical Specification
Index
Performance Parameter
SDH Interface
Max
STM-1
32 STM-1 optical interfaces
STM-4
4 STM-4 optical interfaces
Connector
SC/PC or FC/PC
Spec.
S-1.1, L-1.1, L-1.2, S4.1, L4.1
Single fiber bi-directional interface can be optionally supported
Card
 
PWR01
Power card, 1+1 redundancy supported
NM01
Network management card
OX01
Dual STM-1 fiber optic NIU card (Cross-connection and timing embedded)
OX02
Dual STM-4 fiber optic NIU card (Cross-connection and timing embedded)
OS01
Dual STM-1 fiber optic LIU card
EP01
24 E1 interface card
EP02
E3/DS3 interface card
EP03
12 E1 interface card
ED01
Dual V.35 interface card
FE01
4 Tx over 4 VCG trunk EoS card
FE02
4 Fx over 4 VCG trunk EoS card
LA01
Order wire card
PDH interface
E1 Spec.
Comply with G.703, 2.048Mbps, HDB3
Max E1
168E1 (fourteen EP03 cards support)
Ethernet
Interface
10/100Base-Tx or 100Base-Fx
Comply with IEEE 802.3
Max FE Interface
56 FE (fourteen FE01 or FE02 cards support)
Encapsulation
Comply with ITU-T G.7041 (VCAT,GFP,LCAS,)
V.35
Max Interface
28 V.35 interfaces (framed or unframed)
DCE/DTE
Cross-connect Capacity
High order
Low order
18x18 VC4
1134x1134 VC-12
Management
Interface
10/100Base-T
Physical Dimension (H/D/W)
3U: 136mm x 240mm x 440mm
Power
Supply
-48V DC or dual power supply
Consumption
Consumption<100w
Environment
Temperature
0oC-50oC
Humidity
<90%
Weight
<8kg

 

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