High density and convenient configuration:
1. The uplink port of QJ-PCM30 may be optical fiber or 4 E1 cable (75 ohm with coaxial or 120ohm with twisted-pair cable);
2. It will work as a PCM or a PDH equipment;
3. Up to 30 access channels will be hold in one rack;
4. Equiped with 256x256 non blocking 64k cross connection unit;
5. Can be used as Drop/Insert equipment;
6. The access type will be 10/100M Ethernet ports, FXS, FXO, hotline, magneto phone, 2100Hz carrier phone, 2 wire audio with E&M, 4 wire audio with E&M, telegraph, V. 35 synchronous data, V. 24/V. 28 asynchronous data, co-directional 64K data, Nx64K V. 35 data;
7. As many as 5 access cards will be hold in one rack and each cards contains 6 access channels.
Powerful net management system:
1. The equipments may be configured in astroid or dendriform, as many as four NMS platforms will run in the same network, and they can be placed in any node of the net.
2. The cross connection mode and the audio level will be setting by the NMS
3. The audio level, the efficiency of signaling and the data interface will be tested by NMS.
High reliability: The application of high reliability components and advanced technology
Smart in shape: The application of aluminum alloy material makes the equipment more beautiful and more light
Low power consumption: The power consumption is less than 10 Watt (no subscriber hook off or ringing )
Parameters>>
E1 interface:
Bit rate: 2.048Mbit/s+-50ppm
Code: HDB3 conforms to G. 703
Jitter: Conforms to G. 823
Impedance: Q9 / 75?? or RJ48 / 120?? selectable
Ethernet:
Standard: IEEE802.3
Bit Rate: 10M and 100M auto suitable
Running Mode: Full duplex and half duplex auto suitable
Physical Connector: RJ-45
Optical fiber interface:
Rate: 150Mbps
Code mode: CMI
Physical connector: FC/SC
Wave length: 1310nm/1550nm
Optical power: >-9dBm
Receive sensitivity: <-38dBm(BER<=1*10 -10)
Audio interface:
Standard: ITU-T G. 711, ITU-T G. 712, ITU-T G. 713
NMS interface:
Interface type: RS232
Physical connector: RJ45
Power input:
Input voltage: DC-48V(-38VDC~-72VDC) power consumption: < 10W
Environment:
Work temperature: 0 ~ +50 degree C
Relative humidity: 95% no condensation
Dimension:
Length width high weight
482.6mm 240mm 44mm 2.5kg
