Description
Function
30 voice (anolag phone) over E1 provides conversion between ITU-T G.703 standard E1 and 1-30 voice, realize the long-distance extend of telephone line through E1 channel. BD-E1-MUX30 is a high-performance, multi-type long-range Ethernet bridge. Its small size, low cost and very appropriate to the cost-sensitive bridging applications.
Features
● realizes long-distance monitoring of local device to the remote device based on self-copyright IC;
● provides two clock types: E1 master clock, E1 line clock;
● realize the automatically rate set of local device to remote device
● has the function of pseudo-random code testing, convenient for opening of the circuit, and can be used as an error code instrument;
● E1 supports 75Ω unbalanced and 120Ω balanced impedance at the same time;
● Provides 30 voice channels, support calling indication
● Voice port supports O port and S port, O port connects switch and S port connects user’s phone;
● Support one ethernet port(option),realize 1*ethernet and 30channel phone over E1 multiplexer transmission;
E1 interface
● Interface standard: Conforms to G.703 standard
● Interface rate: 2048kbps
● Code: HDB3
● Interface impedance: 75Ω (unbalanced), 120Ω (balanced)
● Connecter: BNC (75 Ω), RJ45 (120 Ω)
● Vibration characteristic: Satisfies G.742 and G.823 standard
● Clock type: internal-clock, line clock
FXS phone port
● Ring voltage：75V
● Ring frequency：25HZ
● Two line input impedance：600Ω(hanging off)
● Wastage：40 db
FXO switch port
● Ring test voltage：35V
● Ring test frequency：17HZ-60HZ
● Two line input impedance：600Ω(hanging-off)
● Wastage：40 db
Application
| Product Model | Descriptions |
|---|---|
| BD-E1-MUX30/S | 30 channel voice(POTS/FXS) over E1 multiplexer,30 voice over E1,FXS,power AC220V, DC48V or AC+DC |
| BD-E1-MUX30/O | 30 channel voice(POTS/FXO)over E1 multiplexer,30 voice over E1,power AC220V, DC48V or AC+DC |
| BD-E1-MUX30/1ETH/S | 30 channel (POTS/FXS) plus 1 ethernet over E1 multiplexer,power AC220V, DC48V or AC+DC |
| BD-E1-MUX30/1ETH/O | 30 voice (POTS/FXO) plus 1 ethernet over E1 multiplexer , power AC220V, DC48V or AC+DC |
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