4E1+4FE (Physical isolation) PDH Fiber Multiplexer

TSM-120NET+ISO     This series of equipment is the company developed the PDH fiber transmission dedicated VLSI developed on the basis of point to point optical transmission equipment. Provide 1-4 E1 interfaces, primary and backup fiber optical interface connector, 1-4 physical isolation 10/100M Fast Ethernet interface (independent four-wire speed 100M,total bandwidth is 4*100M), as well as two business expansion interface. 2 Extended service interface can be used as RS232 / RS485 / RS422 asynchronous data (option) , the application is very flexible. Optional one digital service telephone, the application is very flexible. With a sound alarm function, the whole stable, reliable, low power consumption, high integration, small size.

• Based on self-copyright IC
• 1-4 physical isolation 10/100M Fast Ethernet interface , every FE Ethernet independent wire speed is 100M,total bandwidth is 4*100M;
• Provide Console manage interface (RS232)
• Provide two fiber interface 1+1 protect（APS）function （optional）
• Ethernet interface rate is 10/100M, half/full duplex Auto-Nego
• Ethernet package support jumbo frames,up to 10240 byte
• E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology
• Uses standard 2 wire telephone (non-telephone handles) set as engineering order-wire hotline(optional)
• When optical lose signal, it can detect the remote device is power off or fiber is disconnected, and indicates alarm by LED
• The local device can view the remote device working condition
• Provide command the remote interface Loop Back, support local E1 Loop Back function, support E1 LOS and AIS alarm ,ease line maintenance
• The transmission distance is up to 2-100Km without interruption
• AC 220V, DC-48V, DC24V can be optional
• DC-48V/DC24V power supply polarity detection function, Polarity-Free

• Fiber

Multi-mode Fiber

50/125um, 62.5/125um,

Maximum transmission distance:            5Km @ 62.5 / 125um single mode fiber,attenuation (3dbm/km)

Wave Length:                                                                          820nm

Transmitting power:                                                    -12dBm (Min) ~-9dBm (Max)

Receiver sensitivity:                                                    -28dBm (Min)

Link budget:                                                                             16dBm

Single-mode Fiber

8/125um, 9/125um

Maximum transmission distance:                  40Km

Transmission distance:                             40Km @ 9 / 125um single mode fiber, attenuation (0.35dbm/km)

Wave Length:                                                                          1310nm

Transmitting power:                                                    -9dBm (Min) ~-8dBm (Max)

Receiver sensitivity:                                                    -27dBm (Min)

Link budget:                                                                             18dBm

• E1 Interface

  Interface Standard:                comply with protocol G.703;
 Interface Rate:                         2048Kbps±50ppm;
 Interface Code:                        HDB3;

 E1 Impedance:                        75Ω (unbalance), 120Ω (balance);

 Jitter tolerance:                        In accord with protocol G.742 and G.823

 Allowed Attenuation:  0~6dBm

• Ethernet interface (10/100M)

    Interface rate:                           10/100 Mbps, half/full duplex auto-negotiation

   Interface Standard:       Compatible with IEEE 802.3, IEEE 802.1Q (VLAN)

   MAC Address Capability: 4096

   Connector:                                                     RJ45, support Auto-MDIX

• Working environment

Working temperature:              -10°C ~ 50°C

Working Humidity:                               5%~95 % (no condensation)

Storage temperature:                          -40°C ~ 80°C

Storage Humidity:                                            5%~95 % (no condensation)