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FME-TW | 16-channel Fiber Optic Multiplexer  |
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The FME-TW is a powerful Fiber Optical multiplexer which can aggregate various of services into a pair of fiber. It supports E1, T1, V.35, RS530, X.21, RS232, FXO/FXS and a built in four 10/100M Ethernet port. It supports the 1+1 hot-swappable optical protection. The FME-TW can be managed through SNMP, Web Interface, VT100 craft port or LCD/menu keys. It also supports external alarm function for alarm input monitor purpose. It is 1U, 19” rack mountable or desktop type model.
The FME-TW provides local/remote loopback functions for optical and E1interfaces. It is very convenient for network testing and maintenance. Embedded operation channel (EOC) is built between local and remote sides for system configuration, testing, performance and alarm monitoring of each E1 channel and optical link. |
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Main Features |
| Channel interface：E1, T1, V.35, RS530, X.21, RS232, FXO/FXS, and 10/100Base-T Ethernet ports
| Tributary card type：4*T1 interface / 4*E1 interface (75ohms or 120ohms) / 4*V.35 (V.35/ RS-530/ X.21)/ 4* FXO / 4*FXS / 4*RS232 interface
| Optical module：Auto Laser shutdown (ALS), hot swappable 1+1 protection
| Alarm relay contact：major and minor alarms (audible and visible alarm output )
| External Alarm input（Optional）
| Support SNMP function, HTTP / FTP / TFTP remote software upgradeable
| Support the TELNET function to configure and monitor local and remote devices through the TCP/IP network.
| Provides the parity error count for optical interface performance monitoring
| Configurations can have backup in nonvolatile memory.
| Configuration file upload / download.
| Aggregated ethernet throughput up to 100Mbps.
| Provides the optical line local loopback and remote loopback function.
| Provides E1 to V.35 cross connections.
| Low speed (E1, V.35) Local and remote loopback function
| Management interface：LCD / keys button, VT100 (DB9), SNMP or | Web Interface (RJ45)
| OE module: Class 1 Laser product. Safety Standard IEC 825 compliant
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Application |
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Technical information |
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E1 Interface card：
Channel Capacity：4E1
Bit Rate：2.048Mbps ± 50ppm
Compliance standard：ITUG.703
Line Code：HDB3 / AMI
Line impedance：75Ω unbalanced or 120Ω balanced
Electrical Interface：Compliant with international standards ITU-T G.703
Jitter Tolerance：Compliant with ITU-T G.823
Jitter Transfer：Compliant with ITU-T G.742
T1 Interface card：
Channel Capacity：4T1
Bit Rate：1.544Mbps ± 32ppm
Line Code：B8ZS/AMI
Frame Format：SF, ESF, Unframed
Impedance： 100Ω balance
Electrical Interface：Compliant with ITU-T G.703
Jitter Tolerance： Compliant with ITU-T G.824
Jitter Transfer： Compliant with ITU-T G.743
RS232 Interface card (DCE)：
Channel Capacity：4 RS232
Bit Rate：UP to 115200 bps
TXD/RXD 1.536Mbit/s
DTR/DSR 128Kbit/s
RTS/CTS 128Kbit/s
DCD/RI 64Kbit/s
Support Local loopback
Support Remote loopback
Voice Interface card：
4*RJ-11 FXO voice interface module
4*RJ-11 FXS voice interface module
10/100M Ethernet Interface：
Compliance：IEEE 802.3/802.3u
Configuration modes：10/100M, full/half-duplex, auto-negotiation and auto MDI/MDIX.
Maximum packet length 1536/1522 Bytes.
Frame buffer：329 frames,
IEEE 802.3X standard
MAC Table：1024-entry MAC address mapping table.
Support VLAN/QOS function.
Support Port Rate Control.
Connector： RJ-45
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Optical Interface：
Optical Source：MLM 1310/1550nm
Wavelength：1310/1550 ± 50nm
System Gain：19～30dB
Fiber connector types：SC,FC type
Bi-directional Fiber Optical Module (Option)
V.35 Interface card：
Card type：V.35, RS-530, X.21
Data rate：n*64K, n=1~32 (64~2048kb/s)
Clock mode：Internal, External, DTE,
Recovery
Control signal：CTS follows RTS, DSR always ON except at test loop mode, DCD always ON except at fiber loss of signal condition
Loop-back：local loop back,
remote loop back, V.54
Connector：
HD-68 (SCSI-Ⅲ) Female with optional cables：
HD-68 to 4*V35(M34 female) cable
HD-68 to 4*X.21(DB15 female) cable
Power Supply：
AC：90～240 V (47Hz～63Hz)
DC：-36～-72 V
Power consumption 30W maximum
Dimension：
W * D * H：440 x 285 x 44.5 mm
Physical Specifications：
Alarm contact：4 relay contacts
(DB-9 connector)
External Alarm：(DB-9 connector)
Operate condition：0～50℃
5%～95% without condensing
EMI：Comply with CISPR 22 class A (EN55022), FCC part 15 class A subpart B.
MTBF：48,000 hours minimum
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