Point to Multi Point 4U PCM Multi Service Chaiss(240 LINES)

Global Tech GT-PCM-C series PCM multiplexer chassis can take 64K bps timeslot as granularity, construct N* 64K bit rate, N=1 to 31, physically isolated sub band data link with E1 connection, and provide E1, V.35, V.24, RS232, RJ45, FXO and FXS interfaces to fulfill the service requirement in high security application such as Posts, Finance, Insurance company and government


* 19' 4U Modular Chassis, 18 slot for service, power and management.

* Adopt state-of-the-art chipset, with simple designed circuit, low power consumption, and high reliability.

* Abundant and versatile service interfaces.

* Voice Service: FXS/FXD, FXO, EM, RD, 2100RD and 2/4 wire E&M port.

* Data Service: V.28 Syn./ Async.(RS232), V.35, Ethernet, 2B+DU, RS422, RS485, 64KB/S E1 port.

* Video Service: H.264 Video card

* 19' 4U modular chassis transmission port: 4E1 optical card, 8E1 optical card, 4E1+100M Ethernet optical card, 8E1+100M Ethernet optical card, SHDSL card and so on.

* Non-blocking switching fabric, realize none-blocking cross connection among any timeslots between service ports and the 8 E1 ports, and among any E1 port from the 8 E1 ports.

* Sophisticated NMS system can configure all Network Elements in the topology, and real-time monitor the operation status of each part in equipment.

* Plug and play design implemented among all function cards.

* Each service port supports lightning-proof function complied with ITU-T K.20 and K.21

* With low power consumption, and approximate 50W maximum power consumption.

* Varied service types and port quantities are configurable flexibly in chassis.

* Support Point to Point and Point to Multi Point structure. Maxly support 240 lines of FXO/FXS per chassis.

* Ultra compact design with aluminum material.


Technical Parameter

● Optical Interface

■ Wavelength: 1310nm, 1550nm

■ Connector: SC, FC

■ Tx Power: -9dBm/ -12dBm

■ Rx Sensitivity: ≤ -36dBm

■ Rx Range: ≤ 27dB

■ Transmission Distance

Multi Mode Fiber: 5Km

Single Mode Fiber: 20/60/120Km

■ Jitter Feature: Comply with G.742 and G.832



● Ethernet Interface

■ 10M/ 100M auto negotiation

■ Full/ half auto negotiation

■ Related Standard: IEE802.3, IEE802.1Q (VLAN)

■ Connector: RJ45

■ MDI/ MDIX auto negotiation

■ MAC Address Table: Up to 4096



● E1 Interface

■ Bit Rate: 2.048M bps ±50ppm

■ Coding: HDB3

■ Timeslot Control: PCM30，PCM31

■ Impedance: 120Ω (Balanced), 75Ω(Unbalance)

■ Port Feature: Comply with G.703

■ Connector: RJ45 (120Ω), BNC (75Ω)

■ Jitter Feature: Comply with G.745 and G.832



● FXO/S Interface

■ Sampling Frequency: 8K Hz ±50PPm

■ Encoding Law: A-law

■ Impedance: 600Ω

■ Overload Point: +3.14dBm

■ Related Standard: Comply with ITU-T G.712、G.713



● RS232 Interface

■ Interface Rate: Asynchronous rate: ≤19200bit/s

■ Interface Level: RS232 Level

■ Working Type: DCE

■ Connector: RJ45.



● V.35 Interface

■ Bit Rate: N* 64Kbps, N=1~32

■ Electrical Feature: Comply with ITU-T V.35

■ CPE Port: Comply with ISO2593




● Nework Management Interface

■ Port Type: 10/100 Base -T

■ Interface Level: RS232 Level

■ Protocol: TCP/IP

■ Standard: Comply with IEEE 802.3



● Operation Environment

■ Working Temperature: -10℃~ 60℃

■ Storage Temperature: -40℃~ 85℃

■ Relative Humidity: 0%~ 95%, non-condensing

■ No corrosive and solvent gas, no dust and heavy EMI

■ Power Supply

AC 180V~ 260V

DC -72V~ -36V

■ Power Consumption: ≤ 50W

■ Physical Dimension:

4U Chassis: 482mm(W)* 177mm(H)* 280mm(D)

For more detail please visit our website http://www.cantongt.com/en