Product Details
LNK-SDH155TM SERIES Terminal Multiplexer
Product Advantages
- >SDH Terminal Multiplexer with 155Mbps data rate
- Provide 1×STM-1 uplink interface with standard optical fiber
- > Support point-to-point network topology or located at the edge of
SDH network
- > >Offer various tributary interfaces: E1 interface, Ethernet
interface and V.35 interface
- Provide up to 4×E1 interface is compliant with ITU-T G.703
standard, unframed 2.048 Mbps data streams
- > >Provides 4×10/100BASE-TX Ethernet interface, all four LAN ports
connected to a full-function internal Layer 2 Ethernet switch,
supports 802.1q VLAN tag, 802.1p Class of Services function, and
802.3x-based traffic control function
Overview
LNK-SDH155TM series STM-1 terminal multiplexer delivers bonded E1
lines, Ethernet services and V.35 links over legacy SDH networks.
Installed at the customer site or directly on STM-1 access ring.
LNK-SDH155TM provides Console interface for management. The VIEW
network management system supports remote configuration and
monitoring.
Parameter | Specifications |
STM1 Interface | Number of Ports:1 Wave length: Tx 1310nm, Rx 1310nm Connector: FC/SC Line code: 1B1H Data rate: 155520kbit/s |
10/100BASE-TX Ethernet Interface | Number of Ports:4 Interface: 10/100BASE-TX Data rate: 10/100Mbps auto-negotiation or force mode Duplex mode: full duplex, half duplex Interface line sequence: MDI/MDI-X auto-sense Connector: RJ45 |
V.35 Interface | Number of Ports:2 Interface rate: Framed N×64Kbit/s (N=1~31) Unframed 2048Kbit/s Work mode: DCE or DTE selectable Connector: DB25 female |
E1 Interface | Number of Ports: 4/8/16 Line Rate: 2048kbps ± 50ppm Line Code: HDB3 Line Impedance: 75ohm unbalanced or 120ohm balanced optional |
Management Interface | Number of Ports:1 Console interface: RS232 serial port Baud rate: 57600bps Connector: RJ45 |
Company Profile
Established in 2001 & headquartered in Shenzhen, E-link China
Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China.
Our main products include:

- Fiber Media Converters
- Industrial Ethernet PoE switchs
- PoE Injectors & Splitters
- PoE Extenders
- Serial Fiber Converters
- SFP Transceivers
- HDMI Fiber Converters
- DVI Fiber Converters
- HD/3G/6G/12G Fiber Extenders
- CCTV Fiber Optic Converters
- HDMI/ DVI/ VGA/ SDI Ethernet Extenders
(Industrial PoE Actual Display)
With rich experience in providing high quality products in the
telecom and CCTV business, E-link has a large manufacturing factory
in Shenzhen, able to provide cost-effective solutions
to serve our customers successfully.
(Automatic Mechanical Equipment)
Since the launch of our products in domestic and international
markets, we have won a good reputation for our high-quality
products and sincere services. Our products are widely applied to
- System of Telecom
- Public Security
- Bank
- Smart City
- Public transportation
- New Energy Developing
- CCTV Monitoring Transmission
We also provide ODM & OEM services and we have cooperated with some famous companies all
over the world. Our own brand "E-link" is also well known in many countries and have distributors there.
(Customer visit)
E-Link quality:
- ISO9001 Quality System
- CE, RoHS, FCC certified
- 48 hours of weathering test before delivery
- Conduct full-spectrum environmental and electrical testing on all
product designs

Our knowledgeable sales, technical support and engineering
personnel are dedicated to understanding your needs and designing
products and solutions to meet your needs. We would be happy to
provide you with the best price, quality products and fast
delivery.