Ø        19” rackmout ,9U high chassis and  easy for installation

Ø        Can
control the remote alarm status for option

Ø        Ethernet
is 10M/100M，full/half duplex adaptive, support VLAN；(optional)

Ø        Network
management for option

Ø        ETH
support Auto-MDIX；

Ø        1-360
channels phone, support call indication；

Ø        Support
each site puts the number to each other;

Ø        Audio
ports support FXO and FXS，FXO connected with switches，FXS with users’ phone；

Ø        Can
distinguish the opposite device is shut down or fiber not connected well 【Network management function】;

Ø        User
can become conscious of the temperature and voltage of the local device【Network management function】

Ø        User
can also become conscious of the temperature and voltage of the remote device ,
and can set the alarm threshold of the remote device  temperature;【Network management
function】

Ø        Two power supply card support redundant for option

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

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

10/100Base-T Ethernet 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

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), RJ45 (120 Ω)

Interface impedance:
75Ω(non- balanced), 120Ω (balanced)

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 AC165V~AC240V

Power Consumption:    <=3 Watts 

Environment condition                  

Operating
temperature:  0C~+50 C        

Storage
temperature:   -20
C~+70 C

Relative
temperature:95% (uncondensed)