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供应 ERM-MUX 光纤波分复用器
供应 ERM-MUX 光纤波分复用器
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产 品： 供应 ERM-MUX 光纤波分复用器 
型 号： ERM-MUX/PLUS 
品 牌： ctc 
单 价： 面议 
最小起订量： 1 公斤 
供货总量： 10 公斤
发货期限： 自买家付款之日起 天内发货
更新日期： 2025-01-19  有效期至：长期有效
  即时询单 
详细信息
加工定制:否
品牌:ctc
型号:ERM-MUX/PLUS

CPU redundancy (1+1)

? E1 redundancy (2+2)
? Power redundancy (1+1) [AC+AC, DC+DC, AC+DC]
? DCE plug-in card types
* 6-channel magneto card
* 6-channel 2W/4W E&M card
* 6-channel FXS card
* 6-channel FXO card
* 6-channel RS-232 card (low speed)
* 5-channel X.50 card
* 4-channel G.703/64K-CO card
* 4-channel V.35 card (n*64K)
? Drop & Insert function
? NMP, SNMP and Web based management
? EMS system supported
? Compliance with ITU-G.703, G.704, G.706, G.732, and G.823.
Specifications
G.703 E1 I/O Specifications
Framing: Unframed / Framed; CCS(PCM31) / CAS(PCM30); CRC4 On/Off
Bit rate 2.048Mbps±50 ppm
Line code AMI / HDB3
Line impedance 75 ohm, unbalanced (BNC)
120 ohm, balanced (RJ-45)
Relative receive leve l 0 / -43dB
Transmit level
Pulse amplitude Nominal 2.37V ±10% for 75ohm
Nominal 3.00V ±10% for 120ohm
Zero amplitude: ±0.1V
Transmit frequency tracking Internal timing±30 ppm
Loopback timing±50 ppm
External timing±100 ppm
Jitter performance According to ITU-T G.823
Complies with ITU-T G.703, G.704, G.706 and G.732.
Interface connectors BNC for unbalanced; RJ-45 Connector for balanced
Ethernet I/O Specifications
? Bridge module - 2 channels
? 10BASE-T/100BASE-TX, Full Duplex or Half Duplex
? 10BASE-T/100BASE-TX, Full Duplex or Half Duplex
? IEEE 802.3x flow control
? Real-time filtering with 256 address tables
? Automatic address learning, aging and deletion after 5 minutes
? Up to 340 packet-buffering capacity
? Forwarding and filtering rate at wire speed with through put latency of 1 frame.
? Auto padding of undersized packets to meet the minimum Ethernet packet size requirement
? Buffering modes can be selected according to the setting of WAN and LAN line speeds
? Ethernet interface has automatic Twisted Pair polarity correction
LAN
Standard Fully compliant with IEEE 802.3/802.3u
Connector Shielded RJ-45
Speeds 10BASE-T/100BASE-TX, Full or Half Duplex
Frames Supports 64 to 1522 byte packet lengths, standard and extended length frames for VLAN tagging, etc.
Sub-E1 I/O Specifications
? Each card provides two E1 loops, each loop provides E1A/E1B channel
independently
? Hot-Swappable
? Each first E1 loop may provide external clock to be used as system clock source
Framing Framed CCS(PCM31) / CAS(PCM30)
CRC check CRC4 On/Off
Bit rate 2.048Mbps ±50 ppm
Line code AMI / HDB3
Line impedance 75 ohm, unbalanced / 120 ohm, balanced
Relative receive level 0 / -43dB
Transmit level  
Pulse amplitude Nominal 2.37V ±10% for 75ohm
Nominal 3.00V ±10% for 120ohm
Zero amplitude ±0.1V
Jitter performance According to ITU-T G.823
Complies with ITU-T G.703, G.704, G.706 and G.732
Interface connectors BNC for unbalanced
RJ-45 Connector for balanced
Loopback type Remote digital loopback
Other Datacom I/O Specifications
N x 64 Module, 4 channels, High Speed Data Interfaces)
Interfaces types RS-530, X.21, V.35, RS-449 and RS-232
Interface connector HD68 Female with appropriate cable adapter.
Line code NRZ
Data rate N x 64kbps, where N equal 1 to 31 in CCS and N equal 1 to 30 in CAS
Async Module, 6 channels, <= 38.4kbps Async or 6 channels, 64/128kbps Sync
询价单