Current position: Products -100M series

8/16E1 SDH155-TM

This series of equipment is a compact SDH terminal (TM) equipment, in strict accordance with the requirements of ITU-T Recommendations and relevant

national standards design, management system uses WINDOWS interface, easy to learn, easy to operate. The product is a single multi-service transmission

equipment Plate FPGA core composition for end of the network, it can provide 8 to 16 E1 interfaces +4 + RS232 or Ethernet interfaces 8 to 16 E1 interfaces

and Ethernet interfaces +2 road 1 to 2-way V.35 + RS232 interface.


□ based on SDH technology, multi-service access platform, 155Mbit / s speed grades;

□ provides one STM-1 optical interface;

□ available from 8 to 16 E1 interfaces +4 + RS232 or Ethernet interfaces 8 to 16 E1 interfaces and Ethernet interfaces +2 road 1-2 road V.35 + RS232


□ 64K 232 provides one data channel;

□ provide E1, V.35 channel slot interchange functions;

□ Ethernet service support GFP, VCAT, LCAS, the maximum transmission bandwidth of 100M;

□ support built-in BERT function, the flexibility test E1, V.35 channel performance;

□ The maximum can be 16 PDH 2M speed signals directly into the SDH STM-1 high-speed signal, enabling PDH and SDH interworking;

□ through a variety of expansion boards can be plugged directly into a different rate signal transmission system STM-1;

□ Support ITU-T G.813 standard NE timing function, automatically switch between multiple timing sources;

□ provide three kinds of clock mode: External clock, the internal clock, line clock;

□ a pair of clock interface can demand access / output 2Mbit / s or 2MHz clock signal;

□ hot swappable;

□ multiple power mode options: AC220V, DC-48V / DC24V and the like;

□ Support 1U high 19-inch rack-mounted, 6U chassis plug-in;

□ support SNMP network management;


Optical Interface

Working Wavelength: 1310nm / 1550nm.
Rate: 155.520Mb / s  4.6ppm.
Compliance: ITU-T G.957 / G.958.
Fiber type: ITU-T G.652 / G.653, single mode;

E1 Interface

Equipment E1 interface comply with G.703

Rate: N * 64Kbps (framing) or 2048Kbps ± 50ppm (non frame)

Pattern: HDB3

Impedance: Unbalanced 75W / 120W balanced

Unbalanced with coaxial adapter, which can be adapted to 75-2 / 3 coaxial

Jitter characteristics: meet G.742, G.823 recommendation

Allows input attenuation: 0∽6dBm

Ethernet interface (10/100 / 1000M)

Rate: 10 / 100M / 1000M adaptive, full / half duplex fully adaptive

Protocol: IEEE 802.3, IEEE 802.1Q (VLAN)

MAC address table: 4096 MAC addresses can be learned

Physical interface: RJ45 seat support (cross / straight-line adaptive) Auto-MDIX

V.35 interface

Electrical characteristics: Complies with ITU-T V.35 recommendation

Terminal Interface: Complies with ISO 2593 regulations

Interface rate: N × 64Kbit / s (N = 1 ~ 32), the highest rate of 2.048Mbit / s

Interface mode: DCE / DTE interface, optional

Mode: DCE / DTE selectable

Port Timing adjustable

Connector: DB25 / 37 holes seat

Power requirements

System Power: AC180V ~ 260V; DC-48V; DC + 24V

Power: ≤5W


19 Inch 1U high rack: 483 (W) X 138 (deep) X 44 (H)

6U centralized plug-in: 483 (W) X347 (depth) X295 (high)

working environment

Working temperature: -10 ℃ ∽ ~ 50 ℃

Humidity: 5% ∽95% (non-condensing)

Storage temperature: -40 ℃ ∽80 ℃

Storage humidity: 5% ∽ 95% (non-condensing)

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