Cronyx E1-XL/B-IP User manual

© 2006 Cronyx
E1-XL/B-IP
Multiplexor
Installation and
Operating Manual
Document version: 1.0, October 23, 2006

E1-XL/B-IP Multiplexor
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Table of Content
Safety Measures Guidelines...........................................6
Certicate of Conformance №ОS/1-SPD-19 .................6
Section 1. Introduction....................................................7
1.1. Sphere of Application............................................................................... 7
1.2. E1-XL/B-IP Multiplexor Main Features.................................................. 8
1.3. Order Code............................................................................................... 8
1.4. Technical Specications........................................................................... 9
Interface E1.............................................................................................. 9
E1 Synchronization.................................................................................. 9
Ethernet Interfaces ................................................................................. 10
Console port........................................................................................... 10
Diagnostic Modes .................................................................................. 10
Dimensions and Weight ......................................................................... 10
Power Supply......................................................................................... 10
Environment Conditions........................................................................ 10
Section 2. Installation....................................................11
2.1. Requirements to Equipment Installation Location..................................11
2.2. Supply Set ...............................................................................................11
2.3. Location of Controls and Connectors .................................................... 12
Power Supply Connector ....................................................................... 13
Grounding .............................................................................................. 13
E1 Port Connector.................................................................................. 13
Ethernet Port Connector ........................................................................ 14
Console Asynchronous Port Connector ................................................. 14
Section 3. Operation..................................................... 16
3.1. Synchronization Modes.......................................................................... 16
3.1.1. External Common Synchronization Mode .................................. 16
3.1.2. Synchronization Recovery Mode ................................................ 16
3.2. Loopbacks .............................................................................................. 17
3.2.1. Loopback to E1 Line ................................................................... 17

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3.2.2. Loopback to Remote Device ....................................................... 17
Section 4. Control......................................................... 18
4.1. Upper-Level Menu................................................................................. 18
4.1.1. E1 Port Status .............................................................................. 19
4.1.2. Ethernet Port Status ..................................................................... 20
4.1.3. TDM/IP-stream Local Status....................................................... 20
4.1.4. Status of TDM/IP-stream Capture by Remote Device ................ 20
4.2. Menu Structure....................................................................................... 21
4.3. Menu “Congure”.................................................................................. 22
4.3.1. Menu “Congure | E1 Interface” ................................................. 23
Line Code ...................................................................................... 23
Clock.............................................................................................. 23
Mode.............................................................................................. 24
CRC4 mode ................................................................................... 24
Signaling........................................................................................ 24
Voice encoding............................................................................... 24
Timeslots........................................................................................ 24
Higain ............................................................................................ 25
Echo ............................................................................................... 25
4.3.2. Menu “Congure | Transport” ..................................................... 26
Layer.............................................................................................. 26
Local IP.......................................................................................... 26
Local MAC .................................................................................... 27
Remote IP ...................................................................................... 27
Remote MAC................................................................................. 27
Port................................................................................................. 27
Proto............................................................................................... 27
QoS ............................................................................................... 28
VLAN ............................................................................................ 28
MTU .............................................................................................. 28
4.3.3. Menu “Congure | Trunk” ........................................................... 29
Recovery mode .............................................................................. 29
Interval........................................................................................... 30
Superuity ..................................................................................... 30
Interleaving.................................................................................... 30
Minimum delay.............................................................................. 30

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Maximum delay............................................................................. 31
Retry count .................................................................................... 31
Submenu “Frequency”................................................................... 31
4.3.4. Menu “Congure | Thrifty” ......................................................... 32
Mode.............................................................................................. 32
DTX ............................................................................................... 33
Compression .................................................................................. 33
VAD ............................................................................................... 33
CNG............................................................................................... 34
Advanced ....................................................................................... 34
4.3.5. Menu “Congure | Network”....................................................... 36
Outward ......................................................................................... 36
Interaction...................................................................................... 36
Bandwidth...................................................................................... 37
DNS ............................................................................................... 37
Interior ........................................................................................... 37
4.3.6. Menu “Congure | Console”........................................................ 38
Password........................................................................................ 38
Device access recovery.................................................................. 38
Hostname ....................................................................................... 38
Network ......................................................................................... 39
Serial.............................................................................................. 39
Reset .............................................................................................. 39
4.3.7. Command “Congure | Show” .................................................... 39
4.3.8. Command “Congure | Commit” ................................................ 39
4.3.9. Menu “Congure | More” ............................................................ 39
Revert............................................................................................. 40
Save ............................................................................................... 40
Apply ............................................................................................. 40
Load ............................................................................................... 40
Cancel ............................................................................................ 40
Defaults.......................................................................................... 40
Reset .............................................................................................. 40
4.4. Menu “Status”........................................................................................ 41
4.4.1. Command “Status | Report”......................................................... 41
Section “E1” .................................................................................. 41
Section “TDM/IP” ......................................................................... 42

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4.4.2. Command “Status | Clear”........................................................... 44
4.4.3. Menu “Status | System tables”..................................................... 44
4.4.4. Command “Status | Firmware”.................................................... 44
4.5. Menu “Testing” ...................................................................................... 44
4.5.1. Menu “Testing | E1 Interface”............................................................. 44
4.6. Menu “Restart” ...................................................................................... 45
4.7. Menu “Firmware update”....................................................................... 45
4.8. Command “Logoff” ............................................................................... 47

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Safety Measures Guidelines
The exclamation within the triangle is warning sign alerting you of im-
portant instructions related to the device operation and maintenance.
Strictly follow legacy safety standards and regulations during installation, op-
eration and maintenance of the device. Works related to installation, maintenance
and repair of the device should be conducted by qualied and authorized personnel
only. Installation, maintenance and repair procedures should not be performed by
an operator or a user.

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Section 1. Introduction
1.1. Sphere of Application
E1-XL-IP is a multiplexor enabling transmission of one E1 channel over asynchro-
nous packet transport network.
Note. Hereinafter term “channel E1” is used to designate a data link which is pro-
vided with ITU-T G.703-standard compliant interface for data transmission at nominal
bit rate of 2048 kbps with both framed structure in compliance with ITU-T G.704 (or
PCM-30) standard or unframed.
E1-XL-IP is designed to provide reliable transmission of framed (full or fractional)
or unframed E1 stream over an asynchronous packet network with interruptible delivery
(IP or Ethernet) and trafc optimization by means of data compression and elimination
of idle times.
IP
УАТС УАТС
E1-XL-IPE1-XL-IP
Typical E1-XL-IP application scheme is shown in the gure above. For interconnec-
tion of two local area networks and PBXs via IP-backbone two devices are used.

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1.2. E1-XL/B-IP Multiplexor Main Features
E1-XL/B-IP Multiplexor main features are as follows:
TDM/IP technology developed by Cronyx ;
One E1/PCM-30 interface;
Two Ethernet IEEE 802.3 10/100Base-T Mbps interfaces;
Compliant with standards ITU-T G.703, G.704, G.706, G.711, G.726, G.732,
G.823 and IEEE 802.3;
Support of “dynamic stream” technology, VAD/CNG and DTX engines
enables economy of bandwidth and minimizes network trafc volume;
Support of voice data compression to 4-fold;
Range over E1/PCM-30 line to 2.5 km;
Managed by RS-232/V.24 DTE port, access via SSH;
Firmware update via Internet (like Windows Update);
Two modes of local loopbacks.
The device can be managed via RS-232/V.24 interface by means of ANSI-terminal
or via Internet over SSH protocol.
The multiplexor’s rmware can be updated over HTTP protocol from update.cronyx.ru
(update process is automatic, the web-site is not a subject for surng).
1.3. Order Code
At the time of the given document editing only desktop version of E1-XL-IP multi-
plexor with xed conguration and power supply unit 100-240 V AC was available.
Desktop version order code:
E1-XL/B-IP-AC
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1.4. Technical Specications
Interface E1
Compliant with the following standards........ ITU-T G.703, G.704, G.706, G.732,
G.823;
Nominal bit rate ............................................. 2048 kbps;
Coding............................................................ HDB3 or AMI;
Framing.......................................................... Transmissionof G.703stream withframing
(G.702, PCM-30) or without framing;
Error check..................................................... HDB3 coding failure, CRC4;
Line impedance.............................................. Balanced 120Ω (twisted pair);
Rx signal level................................................ 0 dB to -43 dB;
Range ............................................................. To 2.5 km via UTP-5 cable when connected
to a device with receiver having similar
sensitivity;
Jitter suppression............................................ In side Tx or Rx path depending on mode
of operation specied;
Overvoltage protection................................... TVS;
Overcurrent protection ................................... Safety fuse;
Connector:...................................................... DB-15 (female);
E1 Synchronization
Internal ........................................................... From internal clock with stability not less
than ±50 ppm;
External.......................................................... From local E1 port receiver;
Recovered ...................................................... By original algorithm on the basis
of timetable of receiving of network
packets;

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Ethernet Interfaces
Compliant with the following standards........ IEEE 802.3, 802.3u, 802.1p, 802.1Q;
Bit rate............................................................ 10 or 100 Mbits, half/full duplex, auto
negotiation;
Range ............................................................. Up to 100 m via UTP-5 cable;
Console port
Data transfer protocol .................................... Asynchronous, 9600-115200 baud, 8 bit/
symbol, 1 stop bit, non-parity;
Modem signals............................................... DTR, DSR, CTS, RTS, CD;
Interface type, connector................................ RS-232/V.24 DTE, DB-9 (male);
Diagnostic Modes
Loopbacks...................................................... Local to E1 line, local to remote device;
Control ........................................................... Via console port or over SSH protocol;
Dimensions and Weight
Dimensions .................................................... 300 mm x 290 mm 70 mm;
Weight ............................................................ 3 kg;
Power Supply
AC input......................................................... 100 - 240 V, 50 - 60 Hz;
Power consumption........................................ not more than 250 W;
Environment Conditions
Temperature ................................................... 0 to +50 °С;
Relative humidity........................................... To 80%, non-condensing;

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Section 2. Installation
2.1. Requirements to Equipment Installation Location
When installing multiplexor leave not less than 10 cm of free space behind it for con-
nection of interface cables. Ambient temperature should be 0 to +50 °С with humidity
80%, non-condensing.
2.2. Supply Set
E1-XL/B-IP system unit ................................................................................1
External power supply unit with mains cord .................................................. 1
Counter part of E1 interface DB-15 connector............................................... 1.
Loopback for E1 interface testing...................................................................1
Installation and Operating Manual .................................................................1

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2.3. Location of Controls and Connectors
Actual appearance of the device’s front panel can differ slightly from the one shown
in the picture, yet functionalities of control elements are the same.
The following elements are located on the multiplexor’s front panel:
RESET
CRONYX
E1-XL/B-IP
1 2 3 4
Nonvolatile memory (NVRAM) access indicator (red);
POWER ON indicator (green);
Reset button;
ON/OFF button;
The following elements are located on the multiplexor’s back panel:
USBUSB
USBUSB
ETH0ETH1
1
4 5 6
2 3 7
COM
VGA
PS
PS/2 external keyboard connector;
External VGA monitor connector;
Console asynchronous serial port, DB-9 connector (DTE, male);
1.
2.
3.
4.
1.
2.
3.

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Ethernet 10/100 Base-T port for optional connection to internal local
area network;
Ethernet 10/100 Base-T port for connection to external backbone net-
work;
E1 port, DB-15 connector (female);
External power supply unit connector;
Power Supply Connector
For connection of power supply cable to AC network standard mains connector is
used (IEC 320 C14). Power supply cables (from multiplexor to power supply unit and
from power supply unit to AC network) and power supply unit are supplied with he
multiplexor.
Grounding
It is obligatory to ground the device prior to operating. Lack of grounding will
result in failures of E1/G.703 line interface.
Grounding can be done via any cover screw located on the back side of multiplexor
case.
E1 Port Connector
Multiplexor E1 port is lead out to DB-15 connector (female).
DB-15 connector
contact number
Signal
name
1 XMT-a
2 GND
3 RCV-b
9 XMT-b
10 GND
11 RCV-a
4.
5.
6.
7.

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Ethernet Port Connector
To connect Ethernet cable (10/100Base-T, IEEE 802.3 standard) RJ-45 socket is
used:
When connecting to hub use “direct” cable.
Console Asynchronous Port Connector
The device can be managed from ANSI-terminal. Console port is lead out to DB-9
connector (male), is provided with RS-232/V.24 DTE standard interface and by default
uses the following settings: asynchronous mode, 9,600 baud, 8 bit/symbol, 1 stop bit,
non-parity.
When connecting terminal ensure RTS signal is fed from terminal to multiplex-
or’s console port (for stream control).
The following cabling schemes are recommended for use:
CD 1
RXD 2
TXD 3
DTR 4
GND 5
DSR 6
RTS 7
CTS 8
1 CD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
Cable with modem control
DB-9 Female
DB-9 Male
E1-XL/B-IP (DTE)
Control terminal
(DTE)

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CD 1
RXD 2
TXD 3
DTR 4
GND 5
DSR 6
RTS 7
CTS 8
1 CD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
Cable without modem control
DB-9 Female
DB-9 Male
E1-XL/B-IP (DTE)
Control terminal
(TDE)
For connection to COM port use null-modem cable.

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Section 3. Operation
3.1. Synchronization Modes
To ensure reliable operation of E1 network always use the single source of synchro-
nization. All devices included into E1 network should be adjusted in such a way as to
enable reception of synchronization from the side of original source and synchronization
further transmission overall the network. In case of the simplest connection of two PBXs
one of them will act as synchronization master source and the second one - as slave.
In case this rule is observed two variants of connection and adjustment of two E1-
XL-IP devices working together are possible.
3.1.1. External Common Synchronization Mode
External synchronization mode from E1 port receivers is selected and frequency re-
covery engine is switched off on both devices. At that, it is obligatory that the equipment
connected to E1 ports is synchronized from common (external) source and transmits
synchronization signals to E1-XL-IP from both sides.
3.1.2. Synchronization Recovery Mode
One of the devices transmits synchronization over packet network and the other one
receives (recovers) it. Multiplexors operating in pairs during this mode are setup differ-
ently. But clock frequency recovery engine should be switched on both devices.
The device transmitting synchronization signals over packet network should oper-
ate either in “external” (from E1 port receiver) or “internal” (from its own reference
generator) synchronization mode. If “external” synchronization is selected equipment
connected to E1 port will act as synchronization source. If “internal” synchronization
is selected E1-XL-IP will act as synchronization source and equipment connected to E1
port will transfer synchronization signals further.
The device receiving synchronization signals via packet network should use recovered
frequency as synchronization source. Equipment connected to E1 port should wait for
synchronization signals from E1-XL-IP side and transmit them further.

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3.2. Loopbacks
3.2.1. Loopback to E1 Line
E1-XL-IP
E1-XL-IP
E1 / G.703
Data received from E1 port is turned back to E1 port without processing and is trans-
ferred to a remote device over packet network. Data received from the remote device
from packet network is lost.
3.2.2. Loopback to Remote Device
E1-XL-IP
E1-XL-IP
E1 / G.703
Data received from a remote device over packet network is processed by the device
and transferred back for transmission to E1 port. Data received from E1 port is lost.

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Section 4. Control
Device is controlled from ANSI-terminal (console) via TCP/IP network over SSH
protocol (version 2 only) or by means of PS/2 keyboard and VGA monitor. Access via
SSH is possible only after appropriate device setup and with a specied (not empty)
login password.
After connection pass through authorization procedure. In response to device “login:”
enter “sysadm ” and in the eld “password:” enter specied access password. Initial
password is empty. After entering password press “”.
Console can be used to view device current modes, its’ state, error statistics, to setup
device modes and store them in nonvolatile memory.
4.1. Upper-Level Menu
Console interface is made in the form of simple hierarchical menu. To execute com-
mand or pass to low-level menu enter an appropriate number. To return to upper-level
menu type “Enter” (or “Return”).
Example of root menu is shown in the gure below:
Cronyx TDM/IP Trunk 1.0
Main menu: the main device’s menu
Status: Ethernet: ok; Trunk: ok/seize; E1: ok/ok;
CPU/DSP load: 83%; Uptime 1:51
1) Congure... - congure device
2) Status... - show status, counters of events, errors, etc
3) Testing... - loopback modes, ping, etc
4) Restart... - restart or reboot the device
5) Update rmware... - update device’s rmware
6) Logoff - exit & logoff from device’s console
Command>

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The upper line contains name of device model, name and version of internal rmware.
Major characteristics of the device current state are shown in “Status” line:
“Ethernet” - network interface data. Depending on operating mode either state
of “external” interface or state of “external” interface and, separated by “/”, state
of “internal” interface are indicated;
“Trunk” - state of TDM/IP-channel between devices, TDM/IP-stream capture
state on remote device is shown separated by “/”;
“E1” - state of local E1 port and, separated by “/”, state of remote device E1
port;
“CPU/DSP load” - device processor usage coefcient in percents;
“Uptime” - device operating period after switching power on or the last restart.
4.1.1. E1 Port Status
“Ok” – everything is all right;
“?” –local E1 port is being setup or data on state of E1 port of remote device is
not available;
“los” - no carrier;
“ais” -receives signal “all ones” (blue code);
“lof” - frame synchronization is lost on reception;
“lofm” - multiframe synchronization is lost on reception;
“crc4e” - CRC4 errors on reception;
“ais16” -signal “all ones” (blue code) is received in 16th timeslot;
“farlof” - remote E1 device reports frame synchronization loss;
“farlomf” - remote E1 device reports multiframe synchronization loss.
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4.1.2. Ethernet Port Status
«Оk» – carrier available, connection is OK;
«no-link» – no carrier or connection can’t be established;
4.1.3. TDM/IP-stream Local Status
«Ok» – everything is all right;
«not-started» – connection to remote device was not established since stream
initiation;
«dirty» – unstable or near to critical stream state;
«lost» – connection to remote device lost;
«–dtx» – DTX sufx means that local device switched over to “Discontinuous
Transmission” state, network packets are sent to remote device once in several
seconds;
4.1.4. Status of TDM/IP-stream Capture by Remote Device
«seize» – remote device successfully seized and holds TDM/IP-stream;
«lost» – stream lost at remote device;
«?» – no data available from remote device;
«–dtx» – DTX sufx means that local device switched over to “Discontinuous
Transmission” state, network packets are sent from remote device to local device
once in several seconds;
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