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供应 ERM-MUX 光纤波分复用器

价 格: 面议

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.

SpecificationsG.703 E1 I/O Specifications
Framing:Unframed / Framed; CCS(PCM31) / CAS(PCM30); CRC4 On/Off
Bit rate2.048Mbps±50 ppm
Line codeAMI / HDB3
Line impedance75 ohm, unbalanced (BNC)
120 ohm, balanced (RJ-45)
Relative receive level 0 / -43dB
Transmit level
Pulse amplitudeNominal 2.37V ±10% for 75ohm
Nominal 3.00V ±10% for 120ohm
Zero amplitude: ±0.1V
Transmit frequency trackingInternal timing±30 ppm
Loopback timing±50 ppm
External timing±100 ppm
Jitter performanceAccording to ITU-T G.823
Complies withITU-T G.703, G.704, G.706 and G.732.
Interface connectorsBNC 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
StandardFully compliant with IEEE 802.3/802.3u
ConnectorShielded RJ-45
Speeds10BASE-T/100BASE-TX, Full or Half Duplex
FramesSupports 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
FramingFramed CCS(PCM31) / CAS(PCM30)
CRC checkCRC4 On/Off
Bit rate2.048Mbps ±50 ppm
Line codeAMI / HDB3
Line impedance75 ohm, unbalanced / 120 ohm, balanced
Relative receive level0 / -43dB
Transmit level
Pulse amplitudeNominal 2.37V ±10% for 75ohm
Nominal 3.00V ±10% for 120ohm
Zero amplitude ±0.1V
Jitter performanceAccording to ITU-T G.823
Complies withITU-T G.703, G.704, G.706 and G.732
Interface connectorsBNC for unbalanced
RJ-45 Connector for balanced
Loopback typeRemote digital loopback
Other Datacom I/O SpecificationsN x 64 Module, 4 channels, High Speed Data Interfaces)
Interfaces typesRS-530, X.21, V.35, RS-449 and RS-232
Interface connectorHD68 Female with appropriate cable adapter.
Line codeNRZ
Data rateN 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

上海凯润计算机网络系统有限公司
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  • 所属城市:上海 上海市
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  • 联系人: 葛桂山
  • 电话:21-62242702
  • 传真:21-62242702
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