Cronyx Qlink-3000/2E1 Installation And Operation Manual Download Page 8

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Qlink-3000 Multiplexing modem

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1.4. Technical specifications

Link interface

Link requirements .......................................... Unloaded twisted pair

Link data rate .................................................. 208 kbit/s to 2320 kbit/s

Link length ..................................................... Up to 10 km with a 0.6 mm wire strand

diameter,
up to 7.6 km with a 0.4 mm wire strand
diameter

Connector ....................................................... RJ type (female, 8 pins)

Encoding ......................................................... TC-PAM

Transmission path synchronization................ Internal (from an internal clock-pulse

oscillator)
From Port (from the receiving path of
the E1 port)

Overvoltage protection ................................... SIDACtor

Overcurrent protection ................................... Fuse

E1 interface (2048 kbit/s)

Connector ....................................................... RJ-48 (female)

Link impedance .............................................. 120 Ohms, balanced (twisted pair)

Cycle structure................................................ according to G.704, or transparent stream

transmission (Unframed G.703)

Signal level at the receiver input .................... 0 to -43dB, up to 2 km over 22AWG

(0.6 mm) twisted pairs

Jitter attenuator ................................................ in the receiver path

Data encoding ................................................. HDB3

Error detection ................................................ Bipolar violation

Overvoltage protection ................................... TVS

Overcurrent protection ................................... Fuse

Summary of Contents for Qlink-3000/2E1

Page 1: ...Version 1 5 May 2005 Copyright 2003 2005 Cronyx Engineering CCC Ministry of Communications of Russia Multiplexing Modem Qlink 3000 Models 2E1 and E1 ETV Installation and Operations Guide ...

Page 2: ...l series 7 1 3 Order code 7 1 4 Technical specifications 8 Link interface 8 E1 interface 2048 kbit s 8 Ethernet interface 9 Emergency alarm interface 9 Console port 9 Control port SNMP 9 Diagnostic modes 10 Dimensions and weight 10 Electric power supply 10 Operating conditions 10 Section 2 Installation 11 2 1 Installation place requirements 11 2 2 Delivered items 11 2 4 Cable connections 11 Power ...

Page 3: ...e link 25 Link remote loop 25 3 5 Built in BER tester 26 Section 4 Control via the console port 28 4 1 Upper level menu 28 4 2 Menu structure 30 Menu structure for models 30 Qlink 3000 S E1 ETV SNMP AC 30 Qlink 3000 S E1 ETV SNMP DC 30 Menu structure for models 30 Qlink 3000 S 2E1 SNMP AC 30 Qlink 3000 S 2E1 SNMP DC 30 4 3 Statistics menu 32 4 5 Event counters command 34 4 6 Loopback menu 36 4 7 T...

Page 4: ...nd repair operations must not be performed by the operator or the user Certificate of Conformance No OS 1 TM 317 The Qlink 3000 multiplexing modem equipment has been tested in the Telecommunications Technical Device and System Testing Center of the TsNIIS Central Research and Development Institute of Telecommunications of the Ministry of Communications of the Russian Federation and is certified to...

Page 5: ... presented on the figure Port 0 E1 G 703 G 704 Port 1 E1 G 703 G 704 or Ethernet10 100BaseT Ethernet 10BaseT Multi plexer SHDSL transceiver SNMP port Console port Processor Maximum data transmission rate is 2304 kbit s 36 x 64 kbit s Maximum transmission distance depends on the data transmission rate in the link The maximum link length for the 26 AWG 0 4 mm cable is given in the following table k ...

Page 6: ... power source The device may be controlled via the RS 232 interface using an ASCII terminal or via Ethernet using the SNMP protocol Indicators on the device s front panel show link status enabled loops and enabled testing mode The built in BER tester allows measuring error rate in the link path The measurements are performed using fixed or pseudo random code according to the O 151 recommendation t...

Page 7: ...ing modem may also be equipped with an additional Ethernet 10Base T port for control over the SNMP protocol Additionally the Qlink 3000 family includes modems with a single data port with a E1 Ethernet 10 100Base T V 35 interface or a universal interface V 35 RS 530 RS 232 X 21 All Qlink 3000 family modems are compatible with each other i e there may be a single model on one end of the link and an...

Page 8: ...mm wire strand diameter up to 7 6 km with a 0 4 mm wire strand diameter Connector RJ type female 8 pins Encoding TC PAM Transmission path synchronization Internal from an internal clock pulse oscillator From Port from the receiving path of the E1 port Overvoltage protection SIDACtor Overcurrent protection Fuse E1 interface 2048 kbit s Connector RJ 48 female Link impedance 120 Ohms balanced twisted...

Page 9: ...ing mode 100 Mbps Full duplex 100 Mbps Half duplex 10 Mbps Full duplex 10 Mbps Half duplex or Autonegotiation automatic selection LAN table size 15000 MAC addresses Maximum frame size 4224 bytes including MAC layer header Protocols Transparent or Cisco HDLC bridging IEEE protocol set automatically Emergency alarm interface Connector type DB 9 female Relay contact current Up to 600 mA Relay contact...

Page 10: ...5678901212345678901234567 Copyright 2003 2005 Cronyx Engineering 10 Diagnostic modes Loops Local remote Error rate control Built in Control Via the RS 232 control port via the SNMP interface or from a remote device Dimensions and weight Design For mounting in a 19 rack height 1U Size 444 mm x 262 mm x 44 mm Weight 3 4 kg Electric power supply 176 264 VAC 50 Hz 36 72 VDC Power consumption Not more ...

Page 11: ...or this purpose When installing the multiplexing modem allow for at least 10 cm of free space next to the front panel for interface cable connections The ambient temperature must be 0 to 50 C at 80 humidity no condensation 2 2 Delivered items Delivered items include Qlink 3000 unit 1 pc bracket for mounting the Qlink 3000 unit in a 19 rack 2 pcs self adhesive stand for the Qlink 3000 unit 4 pcs po...

Page 12: ...rt Emergency alarm Console Link Grounding Power supply E1 port Port 0 E1 port Port 1 Front panel connector locations for Qlink 3000 S 2E1 SNMP model Power supply connector A standard mains connector is used to connect the AC power supply cable for the AC model The power supply cable is supplied with the device To connect the DC power supply cable for the DC model the power supply connector is used...

Page 13: ... 2005 Cronyx Engineering 13 Ground terminal There is a M4 screw on the front panel for device grounding Before switching the device on and before connecting other cables the multiplexer unit must be grounded properly Link connector The RJ type connector 8 pins is used for link connection 1 not used 2 not used 3 not used 4 Line A 5 Line B 6 not used 7 not used 8 not used 1 8 E1 port connectors The ...

Page 14: ...used 6 RX input 7 not used 8 not used 1 8 Use direct cable for connection to the Ethernet switch SNMP port connector An RJ 45 female socket is used for Ethernet port connection 10Base T IEEE 802 3 standard for control over the SNMP protocol shown above see Ethernet port connector Use direct cable for connection to the switch Console port connector ADB 9 female connector is used for console connect...

Page 15: ...D RXD RTS CTS DTR DSR CD Cable with modem control GND 5 TXD 3 RXD 2 RTS 7 CTS 8 DTR 4 DSR 6 CD 1 GND TXD RXD RTS CTS DTR DSR CD to Qlink 3000 console DB 9 male to Control terminal A DB 9 female connector is used for emergency alarm connection The external input sensor pins 3 and 7 must be isolated from other electrical circuits Pins 1 2 and 6 are reserved and must not be used 3 input contact 4 con...

Page 16: ...cators and their functions are specified below in the text Qlink 3000 S 2E1 SNMP front panel TST SNMP 1 2 4 3 LINK CONSOLE ALARM 7 8 PWR PORT 0 PORT 1 6 5 Qlink 3000 S E1 ETV SNMP front panel TST SNMP 1 2 4 3 LINK CONSOLE ALARM 7 8 PWR PORT 0 PORT 1 9 1 0 6 5 1 2 1 1 1 Power indicator PWR The power indicator lights green when power supply is on 2 BER tester indicator TST The indicator lights if th...

Page 17: ...abled on port tributary flashes tester or the local loop is enabled towards the G 703 link Red No No link signal G 703 LOS Local loop and port tributary loop disabled BER tester on port tributary disabled Red Single No link signal G 703 LOS BER tester blinks enabled on port tributary BER or local loop enabled towards G 703 link Red Flashes If the E1 REM indicator flashes red the port tributary loo...

Page 18: ...tus and the mode of the SHDSL link The color shows the port status green connection established no errors OK red no connection or error present CRC anomaly LOSW defect Loop attenuation defect SNR margin defect LOSW failure The SHDSL port operating mode is indicated by blinking does not blink normal operation blinks single flashes local loop or BER tester is enabled The table contains possible LINK...

Page 19: ... REM indicator states Color Blinking Description Does not light Remote device state unavailable no connection or errors in the link Green No Normal operation connection established no errors remote loop disabled Green Single Connection activated local loop flashes enabled Red No Different link transmission rates set on local and remote devices or error on the remote side CRC anomaly LOSW defect Lo...

Page 20: ... LINK The ETH LINK indicator does not light if the Ethernet cable is not connected to the port and lights green if the cable is connected to the Ethernet port the indicator flashes during data reception and transmission 11 Ethernet port error indicator ETH LOS The ETH LOS indicator lights red if the Ethernet cable is not connected to the port and flashes red during Ethernet bridge errors 12 Ethern...

Page 21: ...ed room then the input contacts may be used for example for remote climate sensors door opening signals etc The input contacts must be closed by a switch which is isolated from electrical circuits Non compliance with this requirement may lead to device malfunction Contact 9 closes to contact 4 during normal operating mode During the alarm state contact 9 disconnects from contact 4 and connects to ...

Page 22: ... b C O L K N I L M E R K N I L t h g i l t o n o d s k n i l b C O L K N I L M E R K N I L d e r t h g i l t o n s e o d d e l b a s i d t r o p t e n r e h t E H T E d n a S O L H T E t h g i l t o n o d S U T A T S e l b a c t e n r e h t E o N d e l b a n e t r o p d n a d e g g u l p n e e r g S U T A T S H T E d e r S O L H T E M R A L A y a l e R d e l b a s i d t r o p 1 E f o M E R 1 E d n...

Page 23: ...ion Port 0 Port 1 Port 0 Port 1 The indicators must me in the following states during normal operation mode all ports used Indicator Color State PWR Green On TST Does not light E1 LOC Green Lights E1 REM Green Lights LINK LOC Green Lights LINK REM Green Lights ETH LOS Does not light ETH STATUS Green Lights ETH FAST Green Lights if 100Base T mode is selected ETH LINK Green Lights blinks during data...

Page 24: ...icator blinks single flashes its color depends on the status red loss of signal LOS on the E1 receiver input alarm indication signal AIS is received loss of frame LOF of multiframe LOMF synchronization green no errors E1 port tributary loop Port 0 tributary loop Local device E1 port tributary loop Port 0 tributary loop Remote device normal operation Port 0 E1 Port 1 Port 0 Port 1 The loop towards ...

Page 25: ...cted from the link and the AIS signal is output to local E1 port s The LINK LOC indicator blinks single flashes its color depends on the SHDSL port status red connection not established or errors in the link CRC anomaly LOSW defect Loop attenuation defect SNR margin defect LOSW failure green no errors Link remote loop Local device link remote loop Remote device Link loop enabled after remote reque...

Page 26: ... tester is controlled from the console see the Test menu section or via an additional Ethernet port using the SNMP protocol If remote control is allowed then the BER tester may be controlled from a terminal connected to the console port of the remote device The BER tester may be enabled on the full useful bandwidth or on the tributary of each port In order to test the link it is recommended to ena...

Page 27: ...ices in opposite directions Example BER testers are enabled on local and remote devices Remote device BER tester enabled over full useful bandwidth link test Port 0 E1 Port 1 ETH Port 0 E1 Port 1 ETH AIS AIS Local device BER tester enabled over full useful bandwidth link test BERT BERT The BER tester may be enabled on one of the port tributaries in this case the operation of the second port is not...

Page 28: ...rror statistics to select device modes and save them in non volatile memory For the console data rate is equal to 9600 bits s 8 bits per character no parity 1 stop bit When the terminal is connected the RTS signal for flow control must be provided 4 1 Upper level menu The console interface is designed as a simple hierarchical menu To select a command you must enter its number To return to the uppe...

Page 29: ...quest enabled Test BER tester enabled When the BER tester is enabled the measurement results are displayed Current Test error rate Time passed Total errors detected during testing time The following parameters are displayed for the E1 port Port 0 Port 1 Mode E1 Unframed and useful bandwidth Nx64 kbps n 1 32 Maximum receiver gain Low Gain 12 dB High gain 43 dB 16 th timeslot mode Use16 timeslot 16 ...

Page 30: ...ed Disabled 6 Duplex Half Full 1 Payload Rate 4 Negotiation Automatic manual 5 Media Type 100Base T 10Base T 7 Filtering Enabled Disabled 5 Port 0 tributary loop enabled disabled 7 Link remote loop enabled disabled 8 Factory settings 9 Save parameters 0 Restore parameters 4 Test Results 2 Insert single error 3 Test pattern pseudorandom fixed code 4 Test code value 1 Error insertion rate 0 Trap des...

Page 31: ...ers 0 Restore parameters 4 Test Results 2 Insert single error 3 Test pattern pseudorandom fixed code 4 Test code value 1 Error insertion rate Структура меню для моделей Qlink 3000 S 2E1 SNMP AC Qlink 3000 S 2E1 SNMP DC 4 CRC4 No Yes 1 Framing E1 Unframed 2 Timeslots 3 Timeslot 16 Use Skip 6 Receiver Gain Low High 5 Idle Code 7 Loss of sync action Ignore Remote Alarm AIS 4 CRC4 No Yes 1 Framing E1 ...

Page 32: ...e information on the screen is updated once per two seconds To return to the upper level menu you must press Enter or Return Press R to turn imposition mode on off In the imposition mode the screen will not be cleared when information is updated To clear the statistics counters press C To clear counters on the remote device press Z The Statistics line contains the current session number and time p...

Page 33: ...ring which collisions were observed in the network segment SHDSL Link Status Initialization port initialization Activating connect activation OK normal mode connection with the remote device established there are no errors CRC anomaly connection with the remote device established but wrong CRC blocks are received LOSW defect connection with the remote device established but there is wrong synchron...

Page 34: ... error s 0 jitter attenuator FIFO overflow errors 2 jitter attenuator FIFO underflow errors 1 seconds with jitter attenuator FIFO error s 0 TFSC jerks 0 seconds with TFSC jerk s 0 receive slip events 0 transmit slip events 0 seconds with slip event s Press any key to continue SHDSL link counters total code violations total number of encoding errors total CRC errors total number of received blocks ...

Page 35: ...ding violations OOS 1 out of service seconds 3 0 frame alignment signal errors Err 0 seconds with CRC4 or BERT errors 0 0 total CRC4 errors Event 0 seconds with slip events 0 0 total slip full events 0 0 total slip empty events Port 1 counters 0 seconds with errors 0 counter of Ethernet errors 0 seconds with collisions 0 counter of collisions Press any key to continue E1 port counters total HDB3 e...

Page 36: ...e loop disabled Command _ The following loops are implemented Link loop local loop on the link The data received from the link are turned back Port loop local loop on the port for E1 ports only The data received from the port are turned back Port tributary loop loop on the port tributary for E1 ports only The data received from the SHDSL link and corresponding to the port are turned back The other...

Page 37: ...orandom C clear errors counter R refresh mode Enter exit The information on the screen is updated once per two seconds To return to the upper level menu you must press Enter or Return Press R to turn the imposition mode on off In the imposition mode the screen will not be cleared when information is updated To reset BER tester counters press C Command 1 selects the error insertion rate 10 7 to 10 ...

Page 38: ...nu allows to select multiplexing modem operating modes Configure 1 PCLK source Port 0 2 Mode CO Central Office 3 Port 0 4 Port 1 5 Alarm input Normal 6 SNMP 7 Remote control Enabled 8 Factory settings 9 Save parameters 0 Restore parameters Command _ If the current parameters have been set unsuccessfully the saved configuration may be restored using the Restore parameters command After setting the ...

Page 39: ... the SHDSL transmitting path must be set E1 port receiver for example Port 0 Mode item To set the operating Mode for the device When two devices are operating in a pair one of them must be set as CO Central Office and the other as RT Remote Terminal Port 0 and Port 1 menus These two menus are designed to specify configuration parameters for the corresponding ports Port E1 configuration Port 0 1 Fr...

Page 40: ...the 0xd5 value This menu item is not displayed if the port operates in transparent G 703 stream translation mode Maximum receiver gain Receiver gain Low low gain 12 dB High high gain 43 dB Reaction to the loss of synchronization Loss of sync action AIS the AIS alarm indication signal AIS Blue Code is output to the port during signal of frame synchronization loss Remote Alarm bit A of the zero time...

Page 41: ... mode when contact 3 connects to contact 7 the remote device goes into the emergency alarm status See section Emergency alarm for more details SNMP menu The SNMP menu is designed for setting network IP addresses and SMTP protocol parameters SNMP MAC address 00 09 94 00 1a 49 1 IP address netmask 131 201 94 11 24 2 Gateway IP address 131 201 94 254 3 Get community public 4 Get IP address netmask 13...

Page 42: ... parameter settings Traps allow sending messages about emergency situations Authentication traps allow sending messaged about unauthorized access attempts Trap community password for sending messaged about emergency situations Trap destination IP address the IP address for sending messages about emergency Remote control parameter If remote control is enabled Remote control Enabled then the remote ...

Page 43: ...ps to Port 0 256 kbps to Port 1 5 RT 2304 kbps to Port 1 6 RT 1152 kbps to Port 0 1152 kbps to Port 1 Command _ Selection of one of the configuration parameters options from the Factory settings menu does not affect network IP addresses settings and SNMP protocol settings see the SNMP menu 4 9 Link remote login command The Link remote login command gives the opportunity to connect to the remote de...

Page 44: ...789012345678901212345678901234567 Copyright 2003 2005 Cronyx Engineering 44 In the remote login mode it is possible to view device modes link state and statistics If remote control is enabled see the Remote control item then it is possible to change device operating modes and to enable disable loops and the BER tester 4 10 Reset command The Reset command causes the multiplexing modem to restart Th...

Page 45: ...0121234567890123456789012345678901212345678901234567 Copyright 2003 2005 Cronyx Engineering 45 Section 5 Management via SNMP The Qlink 3000 multiplexing modem may be equipped with a SNMP control port The SNMP control port is located on the front panel and has a standard Ethernet 10Base T interface RJ 45 The SNMP protocol allows to view current device modes link states local and remote error statis...

Page 46: ...s comparison the number of which is specified by the Netmask parameter Additional parameters must be specified for access to parameter settings Set community access password for parameter settings Set IP address netmask the IP address and the subnet mask length for the restriction of access to parameter settings Access rights to parameter settings must be granted to authorized hosts only In case o...

Page 47: ...ight 2003 2005 Cronyx Engineering 47 5 2 Management information blocks MIBs The following management information blocks MIBs are implemented in the multiplexer RFC 1213 MIB II standard management information block including general system parameters system and SNMP protocol statistics snmp CRONYX QLINK3000 MIB a specialized management information block containing the states of E1 ports and of the ...

Page 48: ...3 2005 Cronyx Engineering 48 Qlink 3000 Multiplexing modem 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567 Copyright 2003 2004 Cronyx Engineering Cronyx Eng...

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