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TC8638-1/2

4 Channel Voice-over-T1/E1 Multiplexer

TC8638-1/2
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Features

The TC8638 is a 4-channel Voice/Fax/Modem over T1/E1 Multiplexer that allows network managers the flexibility of leveraging T1/E1 circuits by adding low cost analog as needed.

Dialing and paging between TC8638-1 (FXS) units is supported, providing customers flexibility for voice calls. The device is economical, simple to install and comes standard with built-in power redundancy.

The TC8638 is available in two configurations:

  • 4-Channel FXS (TC8638-1)
  • 4-Channel FXO (TC8638-2)

With two TC8638 cards in one 1U chassis, there are two T1/E1 connections available for following configurations:

  • One 8-channel voice multiplexer, T1/E1 primary link and T1/E1 secondary link (in TCRM19F-R chassis).
  • Two 4-channel voice multiplexers, each having their own T1/E1 connection (in TCRM19F-I chassis).
  • 4-ch. FXS (TC8638-1) or 4-ch. FXO (TC8638-2)
  • Mux 4 ch. 2-Wire Telephone/Fax/Modem over T1/E1
  • Seven LEDs for T1/E1 Status BPV, LOS, SYNC, AMI, RAI, AIS, CRC
  • ESF Framing Support for T1
  • PCM31C Framing Support for E1
  • Very Low Latency
  • Optional Power Redundancy
  • 1U or 4U Rack Mount or 1S Standalone Chassis
  • 12VDC, 24VDC, -48VDC, 125VDC
  • “R2” Push Button for Troubleshooting Local Or Remote Units

Applications

A low cost and immediate solution, the TC8638 is typically used to link analog telephones or legacy dial-up devices including data modems, fax machines, meters, ATM, and credit card machines over T1/E1.

TC8638-1/2 - Voice-over-T1/E1 Multiplexer
Click to enlarge

Specifications

Connection Capacity
  1. 600 Ohm (2-Wire)4 Ports
Interfaces
  1. FXS (TC8638-1)4 Ports
  2. FXO (TC8638-2)4 Ports
T1/E1
  1. T1
  2. Receiver sensitivity0dB to -36dB
  3. Line CodeAMI / B8ZS
  4. FramingESF
  5. E1
  6. Receiver sensitivity0dB to -43dB
  7. Line CodeAMI / HDB3
  8. FramingPCM31C
Visual Indicators
  1. Channel Status (each ch.)Ring (R), Hook (H)
  2. SystemPWR A, PWR B, Vcc, ALM, RMT
  3. T1/E1BPV, LOS, SYNC, AMI, RAI, AIS, CRC
Electrical
  1. Analog Interface Impedance600 Ohm
  2. Max Input3Vp-p
  3. Frequency band300 to 3400Hz
  4. ConnectorRJ-11
System
  1. Bit Error Rate1 in 109 or Better
Alarm
  1. Dry ContactNormal Open/Closed
Power
  1. Standard12VDC @ 500mA
  2. Optional24VDC, -48VDC, 125VDC, or 115/230VAC (with power cube)
Temperature
  1. Operating-10°C to 50°C
  2. Hi-Temp (optional)-20°C to 70°C
  3. Extreme (optional)-40°C to 80°C
  4. Storage-40°C to 90°C
  5. Humidity95% non-condensing
Physical (Standalone Unit)
  1. Height(3.53 cm) 1.40"
  2. Width(18.14 cm) 7.20"
  3. Depth(24.89 cm) 9.80"
  4. Weight(907 gm) 2.0 lbs
* Contact factory for higher requirements

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For More Information

Product version may differ from current manual. For assistance or proper manual version please contact Technical Support.