4 triệu
Thanh Xuân, Hanoi, Vietnam
E1 interface
Interface standard: Conforms to G.703 standard
Interface rate: N×64Kbps, N:1~32
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
10/100Base-T ethernet port
Rate:10M/100M,full/half duplex self adapt
Protocol: support IEEE 802.3,IEEE 802.1Q(VLAN)
MAC address table: 4096 MAC addresses
Ethernet Total Memory Sizes: 64MBits SDRAM
Physical interface:RJ45, support AUTO-MDIX(cross over and straight through self adapt)
Voice port
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
HẾT HẠN
Mã số : | 14959896 |
Địa điểm : | Hà Nội |
Hình thức : | Cần bán |
Tình trạng : | Hàng mới |
Hết hạn : | 20/12/2017 |
Loại tin : | Thường |
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