CX-U Series

Comtech EF Data

CX-U Series

Master Distributor

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  • Transparent GSM FR, EFR, HR and AMR codec optimization
  • Supports any data services (GPRS, EDGE, V.110 Fax/Modem)
  • IDLE and silence suppression
  • HDLC signaling frame extraction and forwarding
  • EDGE traffic compression
  • Signaling/voice/data traffic prioritization

  • Description
  • Technical Specifications
  • Support Documents

Overview

The CX-U Series brings together a flexible access device and mobile backhaul traffic optimization, offering a variety of backhaul interfaces and transmission options.

The CX-U offers Abis optimization with additional benefits of 2G/3G aggregation, DCME voice trunking optimization, TDM Pseudowire, all over IP, Frame Relay or MLPPP protocol support.

The CX-U products support digital fractional T1/E1, high-speed serial and Ethernet network interfaces with a choice of protocols (Frame Relay, IP/MLPPP) and multiple network backup options. Designed with the utmost reliability in mind, it can support an extended temperature range. Line bypass and optional 100 ms 1+1 hot standby redundancy without service interruption are also available for ultimate availability in challenging remote locations.

The CX-U family is comprised of four products: CX-U 1010, CX-U 1220, CX-U 1240 and CX-U 1280, which can be used in stand-alone mode of operation at hubs or aggregation points, or in conjunction with the CX-U devices located at the remote cell sites.

Details

  • Transparent GSM FR, EFR, HR and AMR codec optimization
  • Supports any data services (GPRS, EDGE, V.110 Fax/Modem)
  • IDLE and silence suppression
  • HDLC signaling frame extraction and forwarding
  • EDGE traffic compression
  • Signaling/voice/data traffic prioritization
  • Transparent support of CDMA-IS95 traffic
  • 3G and CDMA-1X traffic optimization (ATM IDLE cells removal, cell packing, ATM header and payload compression)
  • ATM and TDM Pseudowire over IP
  • SS7 traffic forwarding and optimization (Ater links)
  • End-to-end Abis link continuity check
  • Dynamic Abis map interface auto-configuration
  • Traffic prioritization and 3 level QoS
  • TRX channels usage real-time monitoring

Interfaces
• Digital T1/E1: unframed, fractional, channelized, voice, data, TDM
• T1 line type: ANSI T1.403 (PRI), AT&T TR62411 (D4), and TR 54016 (ESF), Telcordia GR-499-CORE
• T1 encoding: AMI, B8ZS
• E1 line type : CEPT (PRI), G.703/G.704 with or without CRC4 & MF
• E1 encoding: HDB3, AMI
• T1/E1 interface choice of:
 Balanced 120 Ohms: RJ-21 “Centronics” and RJ-48C individual connectors
 Unbalanced 75 Ohm: BNC adapters or BT43 connector backplane
• NFAS, AIS and RDI bits/alarm relay
• Serial interface: EIA-530/V.35 (DB25) up to 8192 kbps
• Ethernet: 10/100 Mbps, RJ-45
• RS-232 serial craft interface
Standards
• T1/E1 interface: ITU-T G.703, G.704, G.706, G.732, G.733, G.823, G.824
• Echo: ITU-T G.168
• DCME: ITU-T G.768
• Voice: ITU-T G.711, G.723.1, G.729 a+b
• IP interworking: ITU-T G.799.1/Y.1451.1, Y.1452, Y.1453
• Fax relay: T.30
• Modem relay: V.32 bis
• Ethernet interface: IEEE 802.1, 802.3, 802.3u
Management
• Centralized EMS with GUI, interactive help and CLI ASCII script file generation
• Open standard SNMP, MIB-based NMS platform
• CLI interface (local or Telnet remote access)
• SNMP-based Open EMS (Configuration & Software management), alarm and performance monitoring
• Abis and voice interface detailed alarm and performance monitoring with KPI (CXMON)
• Secured in-band node management (IP-based)
• T1/E1 alarms: red, yellow, near/far end LOS, AIS, LOF, LOMF, test, loop
Synchronization
• ETSI PDH ITU-T G.823/G.824 and ETSI SDH SEC / ITU-T G.823 clock synchronization compliant
• 8 KHz to 10 MHz (BITS) and 1544 kbps or 2048 kbps G.703 external clock reference input (BNC 75 Ohm
connector)
• 8 KHz, 1.544 MHz, 2.048 MHz, 10 MHz (BITS) and 1544 Kbps or 2048 Kbps G.703 clock reference output
(BNC 75 Ohm connector)
• Better than Stratum 3 TCXO local clock reference (250 ppb 24 hours holdover over temperature range)
• Optional embedded GPS clock reference
Physical
• Dimensions: Standard 19” rack 1RU high chassis (height x width x depth) 1.75” x 16.5” x 9.25”
• Weight chassis: 2.2 kg (5.5 lbs)
• Input power: DC -36 to -60 V; 24 VDC and 85-264 VAC power available on option
• Consumption: <25 W depending on model and configuration
• MTBF > 20 Years
Environmental
• Operating temp: -10° to 65° Celsius (14° to 149° Fahrenheit)
• Storage temp: -50° to +80° Celsius (-58° to 176° Fahrenheit)
• Operating humidity: 0 to 95% non-condensing
• Altitude: 6000 m
Approvals
• Safety: CSA/UL 60950-1, IEC/EN 60950-1
• Telecom: TIA IS-968, IC-03 Part II
• EMC: FCC Part 15, ICES-003 Class A, EN 55022 Class A, EN 55024
(View our PDF Datasheet for more information)

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