Functions
This point to point fiber transmitting equipment, realizing 1~4 E1 circuit, 1~4 channels 100M Ethernet, 16 channel voice (FXO, FXS) and 1~2channel RS232. Its merits include complete warning function, high integration, low consumption,stable performance and convenient usage.

PRODUCT CHARACTERISTIC

 Provides1~ 4 channel E1/ G.703 for option;
 provides 1~4 channel 100M (liner) Ethernet ports for option;
 provides 16 channel voice port, FXO and FXS for option;
 provides1~2 channel RS232, rate supports 300-15200 bps for option;
 Ethernet port 10/100M, full/half duplex auto-adaptable and supports VLAN;
 Ethernet port supports AUTO-MDIX (twisted cable and straight cable auto-adaptable);
 1-16 channel voice connection, supports calling indication;
 Configuration: point to point;
 Voice port supports O port and S port, O port connects switch and S port connects user's phone;
 Optical interface supports SC/FC interface and supports single fiber interface

Optical interface
Optical wavelength: single mode 1310nm/1550nm
Fiber: single fiber or double fiber for option
Transmitting consumption: -9dBm/-5dBm
Transmission range: 0-50Km/120Km for option
Optical interface: SC/FC
Receiving and dispatching module: >-6dBm
Optical receiver receiving sensitivity <-36 dBm (BER<10-11)
Fiber circuit code: NRZ code

E1 Interface
Interface standard: Conforms to G.703 standard
Interface rate: N×64Kbps, N:1～32
Vibration characteristic: Satisfies G.742 and G.823 standard
Transmission capacity: 1*E1
Clock type: internal-clock, route clock
Connecter: BNC (75 Ω
Interface impedance: 75Ω (non- balanced)

Ethernet 10/100Base-T Interface
Rate: 10/100M, full/duplex auto-negotiation
Protocol: Support IEEE 802.3, IEEE 802.1Q (VLAN)
MAC Address Entiries: 4096 Entiries
Total Memory Sizes: 64MBits SDRAM
Physical interface: RJ45, support AUTO-MDIX

Power supply
working voltage range wide, good
anti-disturb and Isolation, work stable
option I – DC-48V,range DC-36V~DC-72C
option II – AC220V,range AC90V~AC260V
Power Consumption: <=3 Watts

environment condition
Operating temperature: 0C~+50 C
Storage temperature: -20 C~+70 C
Relative temperature:95% (uncondensed)
Dimension(19inch rackmount)
?? 433mm(L)
?? 238mm(W)
?? 44mm(H)

Voice Interface:
FXS:
Alarm voltage: 75V
Alarmf requency: 25HZ
2 line input impedance: 600Ω (hanging off)
Wastage: 40db
FXO:
Alarm detecting voltage: 35V
Alarm detecting frequency: 17HZ-60HZ
2 line input impedance: 600Ω (hanging off)
Wastage: 40db

Data RS232 port
Rate: 300－115.2Kbps auto-adaptable (Asynchronous)
Interface characteristic: satisfies ITU-T V.24 standard
Connector: RJ45