Overview
GCM 3004 Gigabit Ethernet Voice Broadband multiplexing optical transmission equipment is a new data & voice multi-service optical Multiplexer,It can provide a 30- line voice interface directly upon the optical transmission channel, and at the same time 4 channel E1 , one 1000M line Ethernet data interface via 2* SFP optical ports. Voice Broadband multiplexing optical transmission equipment is mainly used in implementing connections between telephones and SPC exchanges through transmission network, as well as providing various kinds of data operation interfaces.
Features
¡¡¡ô Upward interfaces port is 2*SFP insert slots optional to reach 1+1 service protection
¡¡¡ô Provide 30*Voice interface, the PSTN port can be changed to 2/4 w audio,4W E&M etc,
¡¡¡ô Provide 4*E1 interfaces
¡¡¡ô Provide 1*1000M Ethernet interface
Specifications
GCM 3004 SFP Slot attributes Attribute
|
Description
|
Bit Rate |
1.25Gbps |
Connector |
SFP/LC |
GCM 3004 E1 port attributes Attribute
|
Description
|
Rate |
2.048Mbit/s¡À50ppm |
Code |
HDB3 |
Impedance |
75¦¸£¨un-balanced£©or 120¦¸£¨balanced£© |
Standard |
G.704¡¢G.823 |
GCM 3004 Ethernet port attributes Attribute |
Description
|
Connector |
RJ45 |
Rate |
1000Mbps |
Standard |
IEEE802.3 |
GCM 3004 voice port attributes Attribute |
Description
|
Definition |
FXO/FXS, 2/4W audio, 4W E&M, etc |
Port number |
30 |
Typical Application
Order information
¡¡ GCM 3004-O 2* SFP Slots,4¡ÁE1 port,1¡Á1000M port,30¡ÁFXO voice port is optional
¡¡ GCM 3004-S 2* SFP Slots,4¡ÁE1 port,1¡Á1000M port,30¡ÁFXS voice port is optional
GCM 3004/AC 220VAC
¡¡ GCM 3004/DC -48VDC
......
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