Valiant products include multiplexers, digital access cross connects, echo cancellers, automitic protection switching, channel banks, STM-1 SDH multiplexers and converters.

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Products - Telecom Transmission Solutions

Valiant Communications Limited  is an ISO 9001:2000 certified telecom transmission equipment and solutions manufacturer with installations in over 90 countries, worldwide.

Our reference customers include Nokia, Nortel, Cisco, Alcatel, Raytheon, Sprint, Lucent, Agilent, Cable & Wireless, Ericsson, NEC, Lockheed Martin, CBS News, Avaya, Adtran, Hitachi (USA), BSNL (India's largest Government telecom company), Bharti Airtel (India's largest private telecom company), Agilent, British Telecom, Marconi, Etisalat UAE, Qatar Gas (Qatar), RAS Gas (Qatar), Brunei Airport Authority, Sri Lanka Airport Authority, STM Wireless USA, ADMA - Abu Dhabi Oil, Cook Islands, Fiji Telecom, Jordan Air Force, Bangladesh Air Force and other prestigious in over 90 countries.

Groomers - Hi-z Non-Intrusive Monitoring products
E1 - 16 E1 Port Groomer Provides upto 7 E1 links (14 E1 Ports) plus 2 additional E1 ports (Normal-Z) to connect to the measurement probe, billing servers etc. Data Sheet (PDF)
T1 - 16 T1 Port Groomer Provides upto 7 T1 links (14 T1 Ports) plus 2 additional T1 ports (Normal-Z) to connect to the measurement probe, billing servers etc. Data Sheet (PDF)
E1 - 32 Port Plus - E1 Groomer Provides upto 16 E1 links (32 E1 Hi-z Ports) plus 4 additional E1 ports (Normal-Z) to connect to the measurement probe, billing servers etc. Data Sheet (PDF)
T1 - 32 Port Plus - T1 Groomer Provides upto 16 T1 links (32 T1 Hi-z Ports) plus 4 additional T1 ports (Normal-Z) to connect to the measurement probe, billing servers etc. Data Sheet (PDF)
E1 - 64 Port Plus - E1 Groomer Provides upto 32 E1 links (64 E1 Hi-z Ports) plus 16 additional E1 ports (Normal-Z) to connect to the measurement probe, billing servers etc. Data Sheet (PDF)
T1 - 64 Port Plus - T1 Groomer Provides upto 32 T1 links (64 T1 Hi-z Ports) plus 16 additional T1 ports (Normal-Z) to connect to the measurement probe, billing servers etc. Data Sheet (PDF)
Digital Access Cross Connect Switching (DACS) solutions
E1, 16 Port DACS 16 E1 Port Digital Access Cross Connect Switch offers full cross connect functionality to cross connect, and/or aggregate DS-0s, "n"x64Kbps data channels and fractional E1 channels to full E1 channels. Data Sheet (PDF)
T1, 16 Port DACS 16 T1 Port Digital Access Cross Connect Switch offers full cross connect functionality to cross connect, and/or aggregate DS-0s, fractional T1 channels to full T1 channels. Data Sheet (PDF)
E1, 64 Port DACS 64 E1 Port Digital Access Cross Connect Switch offers full cross connect functionality to cross-connect, and/or aggregate DS-0s, "n"x64Kbps data channels and, fractional E1/T1/E3/DS3/Ethernet channels to full E1/T1/ E3/DS3 / Ethernet or between the 64, E1/T1 Ports Data Sheet (PDF)
T1, 64 Port DACS 64 T1 Port digital cross connect switch offers full cross connect functionality to cross-connect, and/or aggregate DS-0s, "n"x64Kbps data channels and, fractional E1/T1/ E3/DS3/Ethernet channels to full E1/T1/E3/DS3/Ethernet or between the 64, T1/E1 Ports Data Sheet (PDF)
E1 to T1 Data converters - 16 Ports 16 Port T1/E1 (or E1/T1) converter solutions offers data (frame) and line-code conversion between a 8 x T1 interfaces and an 8 x E1 interfaces, at DS-0 (64 Kbps time-slot) level Data Sheet (PDF)
E1 to T1 Data converters - 64 Ports Upto 64 Port T1/E1 (or E1/T1) converter solutions offers data (frame) and line-code conversion between uotp  64 T1/E1 interfaces, at DS-0 (64 Kbps time-slot) level Data Sheet (PDF)
E1 to DS3 converters 32 Port E1 to DS3 (T3) Interface converter and cross-connect. Useful for transporting E1 links over a DS3 (T3) channel. Data Sheet (PDF)
T1 to E3 converters 48 Port T1 to E3 Interface converter and cross-connect. Useful for transporting T1 links over an E3 channel Data Sheet (PDF)
E1, T1 and DS3 Echo Canceller and Voice Quality Enhancement (VQE) solutions
E1 Echo Canceller (1 x E1) E1 (1 x E1) Echo Canceller in 1U high, 19 Inch Rack mount shelf, with telnet. 64ms Bi-Directional / 128ms. Uni-Directional - user selectable. Data Sheet (PDF)
E1 Echo Cancellers (10 x E1) E1 (10 x E1s) Echo Cancellers in 3U high, 19 Inch Rack mount shelf, with telnet. 64ms Bi-Directional / 128ms. Uni-Directional - user selectable. Data Sheet (PDF)
E1 Echo Cancellers (upto 32 E1s) E1 (upto 32 E1s) in 6U high, 19 Inch Rack mount shelf. Echo cancellation on each channel is 64ms. bi-directional / 128ms. uni-directional Data Sheet (PDF)
E1 Echo Cancellers with Voice Quality Enhancement (VQE) 128ms Bi-Directional compact 8 x E1 Echo Canceller with Voice Quality Enhancement (VQE) features in a 19-inch, 1U (44mm height) chassis, with echo-tail programmable from 0ms. to 896ms. Cancel echo at near-end and far-end with single installation. Data Sheet (PDF)
T1 Echo Canceller (1 x T1) T1 (1 x T1) Echo Canceller in 1U high, 19 Inch Rack mount shelf, with telnet. 64ms Bi-Directional / 128ms. Uni-Directional - user selectable. Data Sheet (PDF)
T1 Echo Canceller (10 x T1) T1 (10 x T1) Echo Cancellers in 3U high, 19 Inch Rack mount shelf, with telnet. 64ms Bi-Directional / 128ms. Uni-Directional - user selectable. Data Sheet (PDF)
T1 Echo Cancellers (upto 32 T1s) T1 (upto 32 T1s) in 6U high, 19 Inch Rack mount shelf. Echo cancellation on each channel is 64ms. bi-directional / 128ms. uni-directional Data Sheet (PDF)
T1 Echo Cancellers with Voice Quality Enhancement (VQE) 128ms Bi-Directional compact 8 x E1 Echo Canceller with Voice Quality Enhancement (VQE) features in a 19-inch, 1U (44mm height) chassis, with echo-tail programmable from 0ms. to 896ms. Cancel echo at near-end and far-end with single installation. Data Sheet (PDF)
DS3 Echo Cancellers with Voice Quality Enhancement (VQE) Industry's most compact DS3 Echo Canceller and Voice Quality Enhancement (VQE) solution with echo tail  programmable feature from 0 ms. to 896 ms. Echo cancellation on each channel is 128 ms. Bi-directional (near-end and far-end) echo cancellation. Data Sheet (PDF)
Next Generation STM-1 / STM-4 / STM-16 SDH Multiplexers
STM-1 ADM Multiplexer STM-1 Add-Drop multiplexer (with upto 84 E1) E3, DS3, 10/100BaseT Ethernet interfaces. Data Sheet (PDF)
STM-4 SDH ADM Multiplexer STM-4 Add-Drop Multiplexer with end-to-end provisioning for multiple service from E1s, E3, DS3s, STM-1e, STM-1o, 10/100Mbps Ethernet and GigE services. Data Sheet (PDF)
STM-16 SDH ADM Multiplexer STM-16 Add-Drop Multiplexer with 256E1, E3, DS3, STM-1e/1o, STM-4 and 10/100Mbps and GigE Ethernet interfaces at STM-16 rates. Full redundancy. Configurable to STM-1/STM-4. Upgragable to STM-16. Data Sheet (PDF)
SDH / STM-1 Optical to SDH / STM-1 Electrical converters Provides a simple and cost-effective conversion between STM-1 optical interface to STM-1 electrical interface. Data Sheet (PDF)
E1 and Ethernet Digital Microwave Radios

Digital Microwave Radios: E1 and Ethernet Radios

Digital Microwave Radios: E1 and Ethernet Radios

  • Solutions for for 5.8GHz, 7GHz, 8GHz, 13GHz, 15GHz
  • PSK and 16QAM modulation options
Data Sheet (PDF)
8E1 5.8 GHz DSSS Digital Microwave Radios 5.8 GHz DSSS Digital Microwave Radios: for un-licenced frequency band Data Sheet (PDF)
E1 Drop-Insert (Add-Drop) Multiplexers
E1 Multiplexer - Version 1 Offers FXO, FXS, E&M (2 Wire/4 Wire), FXS-FXS (Hot-line), RS232, and G.703 @ 64 Kbps, Co-Directional interfaces without Remote Management Data Sheet (PDF)
E1 Multiplexer - Version 2 Offers FXO, FXS, E&M (2 Wire/4 Wire), FXS-FXS (Hot-line), RS232, and G.703 @ 64 Kbps, Co-Directional interfaces with Remote Management Data Sheet (PDF)
E1 Multiplexer - Version 3 Offers FXO, FXS, E&M (2 Wire/4 Wire), FXS-FXS (Hot-line), RS232, and G.703 @ 64 Kbps, Co-Directional,
V.35, V.36, X.21, RS530, 10BaseT - Ethernet interfaces with Remote Management
Data Sheet (PDF)
E1 Multiplexer - Version 4 Offers FXO, FXS, E&M (2 Wire/4 Wire), FXS-FXS (Hot-line), RS232, and G.703 @ 64 Kbps, Co-Directional,
V.35, V.36, X.21, RS530, 10BaseT - Ethernet interfaces with Remote Management. Available with redundant 1+1 power supply.
Data Sheet (PDF)
E1 PRI ISDN (Q.931) Multiplexers and E1 Channel Banks (Channel Associated Signalling)
E1 PRI ISDN (Q.931) Multiplexer with FXS interfaces Provides an E1 PRI (Q.931) ISDN Interface on the E1 (digital / telco) side and provide 30, FXS Ports on the customer side to connect to 30 telephone sets (or to an analog PABX). The analog lines from the multiplexer provide the telephone sets on the customer side with dial-tone, ring voltage and line current. Data Sheet (PDF)
E1 Channel Bank with Answer Supervision Provides answer supervision / battery reversal / polarity reversal support. Available with FXO, FXS and 2W/4W E&M interfaces. Used in applications to deliver voice over an end-to-end E1 (radio / fiber / HDSL) links. Data Sheet (PDF)
Intelligent E1 Channel Bank with Voice Actvated Answer Supervision Provides Voice Activity Detection (VAD) activated "answer supervision" and "disconnect supervision" to
connect VoIP, VoFR and VoATM networks to analog PSTN (POTS) lines that do not provide any type of answer supervision / battery reversal functions.
Data Sheet (PDF)
E1 Multiplexer - 2Mbps Voice & Data Multiplexer E1, 2Mbps 30 Channel Multiplexer / E1 Channel Bank provides a full range of Voice - FXO, FXS, E&M, Hotline and Digital Data interfaces. Deployment on copper pairs (E1 or HDSL Transport), optical fiber cables, digital microwave radio or digital satellite links. Data Sheet (PDF)
Ethernet over E1, E3, DS3 and STM-1 SDH Converters
Ethernet over 1 E1 Converts 1 x 10Base-T Ethernet (electrical) interface to 1 x G.703 E1 (or fractional E1) interface. Data Sheet (PDF)
Ethernet over 4 E1 Converts 4 x 10Base-T Ethernet (electrical/optical) interface to 4 x E1s G.703 (or fractional E1s) interfaces. SNMP / CLI / GUI management. Data Sheet (PDF)
Ethernet over 8 E1 Converts 4 x 10Base-T Ethernet (electrical/optical) interface to 8 x E1s G.703 (or fractional E1s) interfaces. SNMP / CLI / GUI management. Data Sheet (PDF)
Ethernet over 16 E1 Converts 4 x 10Base-T Ethernet (electrical/optical) interface to 16 x E1s G.703 (or fractional E1s) interfaces. SNMP / CLI / GUI management. Data Sheet (PDF)
4 Ethernet over E1 Converts and transports upto 4 x Ethernet links over 1 E1 link in a shared mode, or a discreet mode. Data Sheet (PDF)
Ethernet over E3 converters Transports Ethernet data over an E3 link Data Sheet (PDF)
Ethernet over DS3 converters Transports Ethernet data over an DS3 link Data Sheet (PDF)
Ethernet over SDH / STM-1 converters Transports Ethernet data over SDH/STM-1. Data Sheet (PDF)
SDH / STM-1 Optical to SDH / STM-1 Electrical converters Provides a simple and cost-effective conversion between STM-1 optical interface to STM-1 electrical interface. Data Sheet (PDF)
E1 and T1 over Ethernet (TDMoIP) Converters
E1 over Ethernet multiplexer (TDMoIP) 4 x E1 over Ethernet multiplexer (TDM over IP) provides upto 4, E1 communication channels over Ethernet or IP networks. Data Sheet (PDF)
T1 over Ethernet multiplexer (TDMoIP) 4 x T1 over Ethernet multiplexer (TDM over IP) provides upto 4, T1 communication channels over Ethernet or IP networks. Data Sheet (PDF)
E1 and T1 Automatic Protection Switching equipment (1+1 APS)
8 E1 Links (24 E1 Ports) Protection Switching Used to protect upto 8 E1 Links (24 E1 Ports), point-to-point links and provide an alternate communication route to each E1 Link between any two E1 points, in the event of the failure of the primary (Main) E1 communication route. Data Sheet (PDF)
16 E1 Links (48 E1 Ports) Protection Switching Used to protect upto 16 E1 Links (48 E1 Ports), point-to-point links and provide an alternate communication route to each E1 Link between any two E1 points, in the event of the failure of the primary (Main) E1 communication route. Data Sheet (PDF)
8 T1 Links (24 T1 Ports) Protection Switching Used to protect upto 8 T1 Links (24 T1 Ports), point-to-point links and provide an alternate communication route to each T1 Link between any two T1 points, in the event of the failure of the primary (Main) T1 communication route. Data Sheet (PDF)
16 T1 Links (48 T1 Ports) Protection Switching Used to protect upto 16 T1 Links (48 T1 Ports), point-to-point links and provide an alternate communication route to each T1 Link between any two T1 points, in the event of the failure of the primary (Main) T1 communication route. Data Sheet (PDF)
E1 Protection Switch (1+1 APS) Allows the user to design 1+1 (protected) redundant E1 routes on similar (fiber-fiber), or complementing (fiber-radio) transmission mediums. It also allows the selection of only a few critical time-slots of the primary route to be re-routed on the E1/T1 link on the redundant / standby route in the event of the failure of the primary route, if the total carrying capacity of the stand-by redundant route is smaller than that of the primary route. Data Sheet (PDF)
E1 and T1 Protection (Failover) Switches
E1 Protection (Failover) Switch 12 Port E1 (4 E1 Links) Protection (Fail-Over) Switch allows the user to connect upto four E1 lines from the telephone company to "active", as well as to "standby" terminal(s), such as data servers / routers etc. at the customer premises. Data Sheet (PDF)
T1 Protection (Failover) Switch 12 Port T1 (4 T1 Links) Protection (Fail-Over) Switch allows the user to connect upto four T1 lines from the telephone company to "active", as well as to "standby" terminal(s), such as data servers / routers etc. at the customer premises. Data Sheet (PDF)
E3 PDH (2/34Mbps) and E3 (34Mbps) Optical Line Transmission Equipment
E3 PDH (2/34Mbps) Multiplexer E3, 34Mbps multiplexer multiplexes 16, 2Mbps E1 electrical tributries into one 34Mbps electrical stream conforming to all applicable G.703, G.823 and G.831 ITU-T recommendations. Data Sheet (PDF)
E3 34Mbps OLTE Transport a 75 Ohms E3 (electrical) signal on E3 (34Mbps) optical 1310nm SM optical fiber pair (maximum) upto a distance of 40 KM (optical loss budget of -38dB). Data Sheet (PDF)
Optical Multiplexers and Fiber Optic Modems - E2 (4E1), 8E1, 12E1 and 16E1 (E3) Optical Multiplexers
E1 (G.703) Fiber Optic Modem E1 (G.703) Fiber Optic Modem provides the user the capability to establish communication between two E1 interfaces or between an E1/FE1 interface (or a "n"x64 V.35 interface) and over an optical fiber link. Data Sheet (PDF)
V.35 Fiber Optic Modem Provides the user the capability to establish communication between two V.35 interfaces or between an E1/FE1 interface and a "n"x64 V.35 interface over an optical fiber link. Data Sheet (PDF)
E2 (4E1) Optical Multiplexer 4E1 integrated OLTE and multiplexer / demultiplexer unit, based on PDH (Plesiochronous Digital Hierarchy) technology. It multiplexes four 2.048 Mbps (hereafter referred to 2Mbps) E1 tributaries into a single 8 Mbps, E2 stream and then transports it as an optical signal on a Single Mode, 1310nm optical fiber cable, without the use of any signal repeaters up to a distance of over 40 Kms. Data Sheet (PDF)
E3, (16E1) Optical Multiplexer High performance optical line transmission equipment combines 4/8/12/16 ITU-T G.703 compliant standard electrical E1, 2.048Mbps signals into an optical data stream for transport over fiber optic cables. 850nm/1310nm/1550nm transmitter options available. 1+1 Optical Redundancy (Protection Switching) available. Data Sheet (PDF)
DCME - Voice Compression solutions
E1 Voice Compression E1 Voice Compression equipment provides 30 "toll-quality" voice channels using an 10:1 compression ratio by compressing an E1 to 256Kbps (4, DS-0s) of bandwidth. E1 signaling includes support for R2 CAS Digital Signaling, PRI ISDN Signaling, C7 and SS7. Data Sheet (PDF)
T1 Voice Compression

T1 Voice Compression equipment provides 24 "toll-quality" voice channels using an 6:1 compression ratio by compressing an T1 to 256Kbps (4, DS-0s) of bandwidth. T1 signaling includes support for PRI ISDN Signaling, C7 and SS7. Equipped with 128ms.

Data Sheet (PDF)
Thin Route DCME

Thin Route Voice Compression Equipment provides "Toll-Quality" voice telephony channels for "thin route" (low density) applications. Using 6:1 compression ratio it compresses 6 voice channels (including its associated signaling) on a single 64Kbps time-slot.

Data Sheet (PDF)
Sub-Rate Multiplexer G.703 multiplexes six 9.6Kbps RS232 asynchronous data channels to a 64Kbps, G.703 co-directional, 4 wire synchronous data channel. The six RS232 asynchronous data channels @ 9.6Kbps are multiplexed into a 64Kbps, G.703 co-directional, 4 wire synchronous data channel. Data Sheet (PDF)
-48V DC to AC Main (110VAC - 220VAC) Converters
DC (-48V) to AC (110-220V) Converter - desk-top version Converts -48VDC to AC Mains power input. The converter provides a universal AC Input [93VAC-276VAC, 47Hz-63Hz] to DC Output [(-) 48VDC]. External power supply converter is available in a desk-top version. Data Sheet (PDF)
DC (-48V) to AC (110-220V) Converter - 19 inch rack-mount version Converts -48VDC to AC Mains power input. The converter provides a universal AC Input [93VAC-276VAC, 47Hz-63Hz] to DC Output [(-) 48VDC]. External power supply converter is available in 19 inch rack-mount version. Data Sheet (PDF)
Patch Panels and Miscellaneous Converters (PDF)
100 Ohms / 120 Ohms Patch Panel 100 Ohms / 120 Ohms Patch Panel with Hi-z monitoring port, used for live T1/E1 traffic - monitoring Data Sheet (PDF)
75 Ohms Patch Panel

75 Ohms Patch-Panel for E1 Monitoring Application. 75 Ohms Patch Panel connects to live E1 traffic for Hi-z (non-intrusive) monitoring application

Data Sheet (PDF)
E1 / T1 Splitter Panel

- 16 x E1 Splitter - 'Splits' E1 Links on E1 (120 Ohms)
- 16 x T1 Splitter - 'Splits' T1 Links on T1 (100 Ohms)

Data Sheet (PDF)
E1 120 Ohms to 75 Ohms Converter

16 x E1 120 Ohms to 75 Ohms Converter - 19 inch rack mount version

Data Sheet (PDF)
Twisted pair to BNC connector Patch Panel

16 x E1s (75 Ohms), twisted pair (DB37 connector) to be patch to BNC connectors - 19-inch rack mount panel

Data Sheet (PDF)

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