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Modem-Converter E1-L/S

© 2006 Cronyx

Link Testing: Two Ber Testers Enabled Against Each Other

When there is a need to test the E1 link separately in opposite directions, BERTs at both

ends of the link may be enabled simultaneously:

Local device

BER tester is enabled. Indicator TST

lights green in case of no errors

detected and red on errors

E1 link

Remote device

BER

tester

BER

tester

BER tester is enabled. Indicator TST

lights green in case of no errors

detected and red on errors

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Содержание E1 - L/S

Страница 1: ... 2006 Cronyx Modem Converter E1 L S 19 inch 1U High Version Installation and Operating Manual Document Version 2 2E 06 09 2006 ...

Страница 2: ...L equipment has been tested in the Communications hardware and sys tems testing center of CNIIS of the Ministry of Communications of the Russian Federation and in the Sviaz Certificat quality systems certification centre and has been acknowledged to comply the following technical specifications Technical requirements for the hardware of the flexible multiplexor multifunc tional channelizing equipm...

Страница 3: ... inch cabinet This document corresponds to the models with the firmware revision as follows Model identification Firmware revision E1 L S ETV revision F 13 04 2005 E1 L S V revision F 13 04 2005 E1 L S M revision F 13 04 2005 Cronyx reserves the right to make changes to technical characteristics and design of the device without the prior notification of customers ...

Страница 4: ...10 Mechanical Characteristics 10 Power Requirements 10 Environmental Characteristics 10 Section 2 Installation 11 2 1 Site Requirements 11 2 2 Delivered Items 11 2 3 Connections 11 Power Connection 12 Ground Terminal 12 E1 Link Connector 13 Ethernet 10 100Base T Port and SNMP Port Connectors 13 Digital Port V 35 RS 530 RS 232 X 21 Connector 14 Digital Port V 35 Connector 15 Console Port Connector ...

Страница 5: ...onsole 29 4 1 Upper Level Menu 29 4 2 Menu Structure 32 4 3 Statistics Command 33 4 4 Event counters Command 35 4 5 Loopback Menu 37 4 6 Test Menu 38 4 7 Configure Menu 39 Link Menu 39 Port Menu for V 35 RS 530 RS 232 X 21 Digital Port 41 Synchronous Mode 41 Asynchronous Mode 42 Port Menu for Ethernet 10 100Base T Port 43 SNMP Menu 44 Sensor input Command 45 Factory settings Command 45 Save parame...

Страница 6: ...e rate of 64 kbps up to 2048 kbps and places it into E1 frame using required number of timeslots or in unframed mode the whole bandwidth of 2048 kbps The E1 L device may be ordered with Ethernet10 100Base T RS 530 RS 232 V 35 or X 21 interfaces with standard connectors Note Hereinafter the term Ethernet 10 100Base T is used for a designation of the data link having switcheble or autodetecting LAN ...

Страница 7: ...ring channel This channel utilizes special bit of the timeslot 0 in accordance with the ITU T Recommendation G 704 or any other user selectable bit of any timeslot other than 0 The remote login capability is not supported in unframed mode of operation The device is equipped with an emergency alarm relay The state of the relay on the lo cal device depends on fault conditions detected and may be con...

Страница 8: ...J 48 8 wire socket Coding HDB3 or AMI Framing Framed mode frame structure in accor dance with the ITU T Recommendation G 704 multiframes CRC4 CAS G 704 Unframed mode transparent stream trans mission without framing Error monitoring Code violation Frequencies offset adjustment Controlled slip buffers on input Transmit timing source Internal oscillator E1 receiver digital in terface Line impedance 1...

Страница 9: ...pe IEEE 802 3 10BASE T 100BASE T 100BASE TX Connector type RJ 45 8 wire socket Bandwidth from 64 up to 1984 kbps N x 64 kbps in framed mode or up to 2048 kbps in un framed mode Operating mode 100 Mbps full duplex 100 Mbps half duplex 10 Mbps full duplex 10 Mbps half duplex autonegotiation MAC address table size 15000 MAC addresses Maximum packet size 4224 bytes including MAC level header Protocol ...

Страница 10: ...xcluding Ethernet 10 100Base T port Error rate measurement Built in BER tester Control Via the console port from a remote de vice via the SNMP port Mechanical Characteristics Construction 1U high rack mount metal enclosure for 19 inch cabinet Dimensions 444 mm 262 mm 44 mm Weight 3 4 kg Power Requirements AC supply voltage 176 264 VAC 50 Hz for the AC ver sion DC supply voltage 36 72 VDC for the D...

Страница 11: ...of a version as ordered 1 piece Bracket for mounting the E1 L S unit in a 19 inch cabinet 2 pieces Self adhesive foot for the E1 L S unit 4 pieces Power cable for the AC version 1 piece 3 screw removable terminal block for the DC version 1 piece This Installation and Operating manual 1 piece 2 3 Connections All connectors are located on the front panel of the modem Figure below shows the front pan...

Страница 12: ...onnection AC power for the AC version is supplied to the device through a standard AC power connector IEC 320 C14 The power cable is supplied with the device The DC power connector for the DC version is shown below view from the front of the device The 3 screw removable terminal block is supplied with the device Ground Terminal An M4 grounding screw is located on front panel of the device Before p...

Страница 13: ...RJ 48 socket is provided for the E1 link cable connection Ethernet 10 100Base T Port and SNMP Port Connectors An RJ 45 sockets are provided for connection cables to Ethernet 10 100Base T port and SNMP port Use straight cable to connect the device to Ethernet hub ...

Страница 14: ...A 7 ETC b ETC b ETC B 2 TXC a TXC a TXC SigTiming A 3 TXC b TXC b SigTiming B 5 RXC a RXC a RXC 4 RXC b RXC b 17 ERC a ERC a ERC 18 ERC b ERC b 14 RTS RTS a RTS Control A 29 RTS b Control B 11 DTR DTR a DTR 26 DTR b 13 DSR DSR a DSR 28 DSR b 15 CTS CTS a CTS 30 CTS b 12 CD CD a CD Indication A 27 CD b Indication B 1 16 GND GND GND GND 31 SEL 0 SEL 0 SEL 0 SEL 0 33 SEL 1 SEL 1 SEL 1 SEL 1 35 SEL 2 ...

Страница 15: ...put X RC b Output C RTS Input H DTR Input E DSR Output D CTS Output F DCD Output A CGND B SGND Console Port Connector Device operation may be controlled from the ASCII terminal the console DB 9 fe male connector is used to connect the console Console port has a standard RS 232 DCE interface and should be used in asynchronous operating mode 9600 bps rate 8 bit per character 1 stop bit no parity Use...

Страница 16: ... is used for alarm port connection Pin allocation 5 open in no alarm state closed to middle relay contact 9 on alarm 4 closed to middle relay contact 9 in no alarm state open on alarm 3 to external input sensor 9 middle relay contact 7 8 GND 1 2 6 reserved must be leaved unconnected Alarm relay shown in no alarm state External input sensor 5 4 3 2 1 8 7 9 6 5 VDC Internal device circuits Pin layou...

Страница 17: ...rs on the figures correspond to the numbers in the table Figure below shows the front panel of the device ordered with V 35 RS 530 RS 232 X 21 digital port and identifies indicator locations PWR TST PORT 0 LINK 0 SNMP CONSOLE ALARM 1 2 3 4 5 6 7 8 Figure below shows the front panel of the device ordered with Ethernet 10 100Base T digital port and identifies indicator locations PWR TST PORT 0 LINK ...

Страница 18: ... is enabled 3 PORT LOS Red V 35 RS 530 RS 232 X 21 digital port er ror ON or flashes RTS line is off ETC line is off if external synchroniza tion is selected FIFO data buffer error coding error when operating not at maximum data rate Ethernet 10 100Base T port error ON if cable is not connected to the 10 100Base T Ethernet port flashes if packet with wrong checksum received or packet is lost becau...

Страница 19: ...le is connected flashes during Ethernet data transmis sion is in progress During the normal operation the indicators must be in the following states Indicator Color Light State at Normal Operating Condition PWR Green ON TST Green red OFF LINK LOS Red Off LINK STATE Green ON PORT LOS Red OFF PORT STATE Green ON ETH FAST Green ON in 100 Mbps mode of the Ethernet 10 100Base T port ETH LINK Green ON i...

Страница 20: ...ion Modes For E1 channel the single clock source is used as a rule The source of clock signal may be an internal oscillator of any E1 modem or external clock signal of any DTE Examples are shown in figures below TXC RXC RXC TXC CLK TXC ETC RXC TXC CLK RXC ...

Страница 21: ...uaranteed by the design the E1 L modem If clock signal is originated from the device connected to the digital port of the E1 L modem Transmit clock From Port mode then it is necessary to ensure that its parameters are in conformance with the ITU T recommendations DTE emulation external transmit clocks The Receive clock Receive mode is used when connecting to DCE devices receiv ing external clock s...

Страница 22: ...e to overruns or underruns of FIFO buffer The rate of such errors depends on the difference between the two frequencies DɋE RXC TXC RXD DTE Transmit clock From Port Receive clock External E1 link RXD TXD ETC ERC TXD TXD RXD RXC FIFO If the data transmitted in the link is in HDLC format you can compensate the frequen cies offset enabling HDLC buffer mode HDLC Buffer Mode HDLS buffer mode is used wh...

Страница 23: ... Transmit clock Internal or Transmit clock From Link HDLC buffer Enabled E1 link RXD TXD ETC ERC TXD TXD RXD RXC HDLC buffer TXC HDLC buffer DɋE RXC TXC RXD DTE Transmit clock From Port HDLC buffer Enabled E1 link RXD TXD ETC ERC TXD TXD RXD RXC HDLC buffer ...

Страница 24: ... the digital port RS 232 V 35 RS 530 X 21 or Ethernet 10 100Base T Alarm signal generated by the external input sensor at the remote device is being received The external input sensor has two modes of generation of the alarm signal to be trans mitted to the remote device closing sensitive set by default and opening sensitive The mode may be changed from the console see para Sensor input Command at...

Страница 25: ...device Remote device DTE RTS E1 link TXD DTE TXD RXD Carrier Ok CD On DSR f CD RTS CTS RTS Normal state Local Link Loopback CD Carrier Ok Local link loopback is enabled LINK STATE indicator flashes regularly RXD DSR Off CTS f CD RTS Normal state Local device Remote device DTE RTS E1 link DTE TXD Carrier Ok CD On DSR f CD RTS CTS RTS RXD TXD ...

Страница 26: ...f DSR f CD RTS CTS RTS RXD TXD Digital Port Loopback Digital port loopback is enabled PORT STATE indicator flashes regularly CD On RXD DSR On CTS f CD RTS Normal state Local device Remote device DTE RTS E1 link DTE TXD Carrier Ok CD On DSR f CD RTS CTS RTS RXD TXD 3 5 Built in BER Tester The device is equipped with a built in BER tester which allows to measure the error rates in the E1 link Measur...

Страница 27: ...transmits test sequence to the E1 link and there is no same data receiving from the E1 link This situation is shown on a figure below Local device BER tester is enabled No test data is being received from E1 link Test pattern not detected message is displayed on console TST indicator lights red Remote device Normal state BER tester E1 link Shown below are two useful examples of the BER tester appl...

Страница 28: ...rately in opposite directions BERTs at both ends of the link may be enabled simultaneously Local device BER tester is enabled Indicator TST lights green in case of no errors detected and red on errors E1 link Remote device BER tester BER tester BER tester is enabled Indicator TST lights green in case of no errors detected and red on errors ...

Страница 29: ...onfigure 6 Link remote login 0 Reset Command _ The upper line of the screen shows the device model identification revision code and firmware date The Mode line below on the screen shows the alarm state of the device and the state of the external input sensor Normal or Alarm normal no alarm state or alarm state Sensor state of contacts of the external input sensor Open or Closed if Sensor input Ala...

Страница 30: ...he timeslot 0 is used usage of these bits is in accordance with the ITU T Recommendation G 704 or the value in the TsMbN form where M is for the timeslot no from 1 up to 31 and N is for the bit no from 1 up to 8 of the timeslot selected Off monitoring channel disabled The preceding fields may be followed by additional information as follows Loop or Remote loop indication of local or remote E1 link...

Страница 31: ...plex or Half duplex duplex mode If no cable attached then the No cable message will be displayed Next to these lines on screen there is the Port timeslots line showing the timeslot 1 up to 31 assignments Presence of the symbol indicates that the given timeslot is used for transmission of the digital port data Unassigned timeslots are marked by dots When in Skip16 mode timeslot 16 is reserved for C...

Страница 32: ...r 8 CTS 1 7 Receive data strobe 6 Transmit data strobe 5 Receive clock 4 Mode Sync 1 Timeslots 0 Trap destination IP address 9 Trap community 8 Authentication traps enable 7 Traps enable 6 Set IP address netmask 5 Set community 4 Get IP address netmask 3 Get community 2 Gateway IP address 1 IP address netmask 4 Port 9 Scrambler 8 Line code HDB3 7 Loss of sync action 6 Monitoring channel bit 5 Rece...

Страница 33: ...ber and time days hours minutes seconds The session number is incremented after each restart of the device Session time is the time from last modem restart by powering on or using the Reset command The Mode line shows the operating mode and the state of the device see the Upper level menu section for more detail on Mode and State The information located in the top part of the screen has been detai...

Страница 34: ...LOF loss of frame synchronization SLIP controlled slip AIS alarm indication signal the all ones code is being received LOMF loss of CAS or CRC4 multiframe synchronization FARLOF loss of frame synchronization at the remote device AIS16 signalling alarm indication is being received alarm indication signal re ceived in timeslot 16 CRCE CRC4 error RDMA remote alarm the A bit of the timeslot 0 Test Ok ...

Страница 35: ...ons number of HDB3 encoding violations 16 bit counter with saturation total HDB3 encoding violations total number of code violation 32 bit cycling counter receive errored seconds time in seconds during which loss of signal or loss of frame multiframe synchronization have been encountered in E1 link frame alignment signal errors number of frame synchronization errors FAS seconds with CRC4 errors or...

Страница 36: ...r seconds with FIFO errors time in seconds during which data buffers errors have been encountered transmit FIFO overflows number of overflows of the transmitter data buffer transmit FIFO underflows number of underflows of the transmitter data buffer receive FIFO overflows number of overflows of the receiver data buffer receive FIFO underflows number of underflows of the receiver data buffer second...

Страница 37: ...nter seconds with collisions time in seconds during which collisions have been encoun tered counter of collisions number of Ethernet collisions counter of watchdog resets number of resets of the bridge watchdog 4 5 Loopback Menu Loopback menu is used for loopbacks control Loopback 1 Link loop disabled 3 Link remote loop disabled 5 Port loop disabled Command _ The following loopbacks are implemente...

Страница 38: ...nce generation The Error insertion rate command selects the error insertion rate from 10 7 up to 10 1 errors per bit or disables error insertion when disabled the No errors inserted message will be printed in place of the error insertion rate value The Insert single error command inserts a single error The Test pattern command allows to select the test pattern 2E15 1 O 151 pseudo random test patte...

Страница 39: ...n closed 8 Factory settings 9 Save parameters 0 Restore parameters Command _ Link Menu The Link menu is used to set the E1 link operating mode Link 1 Framing E1 2 Transmit clock Internal 3 Timeslot 16 Use 4 Crc4 Generate 5 Receiver gain High 6 Monitoring channel bit Sa4 7 Loss of sync action Remote Alarm 8 Line code HDB3 9 Scrambler Disabled Command _ The Framing command sets the framing mode E1 u...

Страница 40: ...t the Si bit to 1 The Receiver gain command sets the receiver gain of the E1 link Low low gain 12 dB High high gain 43 dB The Monitoring channel bit command sets the bit to be used for monitoring channel in Framing E1 mode only Monitoring channel is used for the remote device control and statistics data transmission By default the Sa4 bit of the timeslot 0 is used for moni toring channel in accord...

Страница 41: ...ut clock source of the digital port from the E1 link Receive from external clock signal ETC of the digital port or from ERC external clock signal External External clock source is used when connecting to DCE devices which do not support an external synchronization from a digital port RS 232 V 35 RS 530 In this case the device transmits data using clock signal from ERC input line The phase equaliza...

Страница 42: ...ion there are commands as follows Transmit data strobe strobing the data transmitted Normal data valid on fall ing edge or Inverted data valid on rising edge Receive data strobe strobing the data received Normal data valid on falling edge or Inverted data valid on rising edge The HDLC buffer command controls the HDLC buffer operation Enabled or Disabled Asynchronous Mode In the asynchronous mode M...

Страница 43: ... _ The Timeslots command allocates the data port timeslots in Framing E1 mode only The Negotiation command selects the Rate and Duplex parameters setting mode Automatic or Manual The Rate command sets the Ethernet port mode 100Base T or 10Base T avail able in Negotiation Manual mode only The Duplex commandsetstheduplexmode Full or Half availablein Negotiation Manual mode only The Filtering command...

Страница 44: ...IP address netmask the IP address of the Ethernet port and the length of the net mask Gateway IP address the IP address of the routing gateway The following parameters must be set for managing the device over the SNMP proto col Get community information query access password Get IP address netmask the IP address and the netmask length for the restriction of information query access Set community a...

Страница 45: ...ttings 1 E1 mode skip TS16 CAS framing 2 E1 mode use TS16 for data 3 Unframed mode 2048 kbps Command _ The Factory settings command does not influence the IP and SNMP parameters set tings see the SNMP Menu section Settings combinations are as follows E1 mode skip TS16 CAS framing G 704 frame synchronization mode CAS multiframe alignment will be used Mode Normal Sensor Open Link Framed Sync Int Hig...

Страница 46: ... after execution of the Factory settings com mand it s necessary to save their values in the non volatile memory NVRAM of the device by the Save parameters command In this case the parameters saved will be restored at the device restart time Restore parameters Command If some parameters was modified and the Save parameters command was not executed then their previous values may be restored from th...

Страница 47: ...Int High gain HDB3 Use16 CRC4 Gen Mon Sa4 Port 1984 kbps 100Base T Full Duplex 1 3 5 7 9 1 3 5 7 9 1 3 5 7 9 1 Port timeslots 1 Statistics 2 Event counters 4 Test 5 Configure 0 Reset Remote X to exit _ In the remote login mode it is possible to monitor the device operating modes channels state and view values of error statistics counters The configuring of the device operation parameters is also a...

Страница 48: ...d for IP address comparison The value of N is specified by the Netmask parameter Additional parameters must be specified for access to parameter settings Set community access password for parameter setting Set IP address netmask the IP address and the netmask length for the restriction of access to parameter setting The access rights to set the parameters must be granted to trusted hosts only In c...

Страница 49: ...m SNMPv2 MIB a standard management information block including common system parameters system network interfaces if the IP protocol ip icmp the UDP protocol udp and SNMP protocol statistics snmp CRONYX E1XL MIB a device specific management information block for moni toring state of E1 links and data ports The CRONYX E1XL MIB management information block specification files are avail able from the...

Страница 50: ...50 Modem Converter E1 L S 2006 Cronyx ...

Страница 51: ... 2006 Cronyx 51 ...

Страница 52: ...Web www cronyx ru E mail info cronyx ru ...

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