Comet 164x/165x Series

Industrial-grade G.SHDSL.bis V.24 / V.35 / E1 / Ethernet Extender

TAINET’s  Comet 165x/164x series, is so called Ethernet Access Devices (EAD), Ethernet Media Data Converter (MDC), Ethernet Multiplexer (EMUX) or Ethernet DSL modem, which takes advantage of the latest G.SHDSL.bis standard, is a mini-terminal enabling the transport of traffic from Ethernet, E1, Nx64k Data and RS-232 interface with line rate 15M/30Mbps over 2/4 wires G.SHDSL.bis link.

‧Point to point Ethernet and TDM MUX data extender over multiple G.SHDSL.bis copper lines
‧Compliant with ITU-T G.991.2 standard, TC-PAM 16/32/64/128 line coding and IEEE 802.3ah EFM 2Base-TL bonding.
‧1 or 2 pairs G.SHDSL.bis with 5.7Mbps per pair
‧Support extension rate up to 15.2Mbps over a single pair of copper
‧Support various interfaces include Fast Ethernet, E1, RS-232 EIA-530, X.21 and V.35
‧DIP switch can be used to quickly configure 8 sets of default profile
‧Automatic line rate selection with Line Probe enabled
‧Flexible installation by console, Telnet, WEB GUI, SNMP or DIP-Switch
‧Front panel OAM loopback button test function, easy to perform loop diagnostics
‧Remote software upgrade for field-deployed units via TFTP or HTTP/HTTPS
‧Support security-link feature and DSL line protection for data transmission
‧Built-in lightning protection circuit
‧Ethernet switching and bridging with VLAN prioritization and QoS

Line Interface - G.SHDSL.bis

-     Type: 2 or 4-wire

-     Standard: ITU-T G.991.2, ETSI 101 524

-     Bonding protocol: IEEE 802.3ah EFM 2Base-TL

-     Line rate: n x 64Kbps, n=3~239 (2w), 6~478 (4w),

-     Connector: 1 x RJ-45

-     Line coding: TC-PAM 16/32/64/128

-     Impedance: 135 W



DTE Interface - Ethernet

-     Ethernet type: 10/100BaseT

-     Connector: 2 x RJ-45

-     Supports 802.3x flow control

-     Auto-MDI/MDIX detection

-     Auto-negotiation for speed and duplex

-     Support Layer 2 functions



Ethernet L2 function

-     Supports 802.1d transparent bridge function

-     Supports Bridge filter function based on source MAC addresses

-     Scalable per port bandwidth control (Step = 64K, up to 100M)

-     2K MAC learning address

-     Ethernet packet length up to 2000 bytes

-     Supports 802.3x flow control

-     Provides 802.1q VLAN tagging


-     Supports 802.1p QoS facility

DTE Interface - E1

-     Data Rate: 2.048Mbps

-     Connector: RJ-45 for balanced E1 120 W

-     (Optional external convert cable for unbalanced 75 W)

-     Line coding: HDB3

-     Framing: Framed /Framed+CRC /Unframed

-     Compliance: ITU-T G.703 and G.704

-     Jitter Performance: compliant with ITU-T G.823

-     Support BERT test mode



DTE Interface - Nx64k Data

-     Data Rate: n x 64Kbps, up to 4.6Mbps

-     Connector: 2 x DB-25 Female with optional adapter cable (V35/X21/RS449/RS530/RS530A)

-     DTE and DCE clock settings

-     Full duplex

-     Synchronous Data Rates



DTE Interface - V.24(RS-232)

-     2 X DB-25, Support RS-232, RS-422 and RS-485 (optional adapter cable)

-     Data Rates: Asynchronous-300/600/1200/2400/4800/9600/19200/

38400/48000/56000/57600/115200 bps

-     Synchronous-1200/2400/4800/9600/19200/38400/ 57600/115200 bps

-     Full duplex / Half duplex support

-     Packet data bit : 7/8 bit


-     Packet stop bit (1 / 2bit ) can be selected

Management Interface

-     Console port: DB9 connector (RS232C)

-     Ethernet port: RJ-45 connector (Fast Ethernet)

-     Support remote management

-     Support Local and remote diagnostic status

-     Support Performance monitoring functions

-     Supports management by Ethernet / RS232 interface

-     Support VLAN function

-     Support remote upgrade via WEB

-     Front panel reset to factory default button

User Management

-     Support three access levels for administrator, operator, user

-     User can manually add, modify and delete account and password

Security Management

-     Manage permission settings and queries

-     Supports security protocol SSHv2 / SNMPv3

-     Support login password complexity of 6 characters, uppercase and lowercase letters, digits, special symbols

-     Support login account permission level setting, operation log

-     Anti-camouflage attack mechanism: lock IP and  delay login

-     Support SSL1.2, HTTPS secure encrypted connection access


 Performance Management

-     Historical performance query, report and monitoring

-     Performance data storage and query

-     Support ES / SES, SHDSL UAS count and query

-     SHDSL CRC error counting and querying

-     SHDSL SNR signal noise rate status query

-     SHDSL ATN signal attenuation status query

Fault Management

-     Alarm status display

-     Support Current / History alarm log

-     Alarm Level setting and query: CriticalMajorMinorNormal

-     Alarm logs (alarm type, time, status and Level)

Alarm Prompt

-     Interface data loss alarm

-     Ethernet disconnection alarm

-     Clock source automatically switching alarms

-     DSL ATN line signal attenuation value alarm

-     DSL SNR signal noise rate value alarm

-     DSL CRC line loop check value alarm

-     E1 signal and packet loss alarm

-     Remote Power failure alarm (Dying Gasp)

System Management

-     Supports Telnet/SSHWeb/HTTPS

-     Supports SNMPv3 network management interface

-     Control and monitor remote unit via Embedded Operation Channel (EOC)

-     Supports SNTP and OAM functions

-     Support Internal / External clock source



-     ISO 9001 Quality Management

-     China CCC Quality Certification

-     CE Approval, IEC61000-4-X, ETSI EN300 386, EN55032, EN55024

-     CE LVD Safety, IEC/EN 60950-1

-     Electricity, EN61850-3 (*pending)

-     Railway EN50121-4 (*pending), EN50155 (*pending),

-     ITU-T K.45 standard

Power Requirement

-     Power Interface: Terminal Block * 1 / Standard 12VDC * 1

-     Dual power supply with DC Jack 12VDC input

-     AC: 90 to 240 VAC, &50~60Hz

-     DC: -24 / -48 / -72VDC option


LED indication

-     Comet 1642/1644:

DSL 1 ~ 2, ALM, PORT 1 ~ 2, PWR, CPE, TST, E1

-     Comet 1652/1654:

DSL 1 ~ 2, ALM, PORT 1 ~ 2, PWR, CPE, TST

 Operating Environment

-     Operation Temperature: -20 °C ~ 75 °C

-     Storage temperature: -40 °C ~ 85 °C

-     Humidity: up to 95% (non-condensing)



Industrial design

-     Full metal housing

-     Provide ground terminal, wall hanging hole design

-     Power input terminal block

-     DIP switch for Quick profile setting

-     42(W) x 160(D) x 160(H) mm







FE / RS-232 / V.35


Comet 1652

FE / RS-232 / V.35


Comet 1654

FE / RS-232 / V.35 / E1


Comet 1642

FE / RS-232 / V.35 / E1


Comet 1644