【ERM-MUX 光纤波分复用器】厂家_批发价格

ERM-MUX 光纤波分复用器

供应商：上海凯润计算机网络系统有限公司[查看公司详情]

所在地：中山北路1715号浦发广场E座2110A、B室

价格：6050.00元

经营模式：经销批发

联系人：张超

产品简介

品牌/型号：ctc/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 o 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)
Line impedance	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	ording 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

I/O Specifications

? Bridge module - 2 channels

? 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 packet size requirement

? Buffering modes can be selected ording to the setting of WAN and LAN line speeds

? 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	ording to ITU-T G.823
Complies with	ITU-T G.703, G.704, G.706 and G.732
Interface connectors	BNC for unbalanced
Interface connectors	RJ-45 Connector for balanced
Loopback type	Remote digital loopback

Other 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