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T1/DS1 Facility and Channel Test Set
T1/DS1
Interface
- Input Signal Level
Term +3 dB to -26 dB (DSX-1 or Mon)
Bridg +3 dB to -34 dB (Cable)
Bridg +3 dB to -6 dB (Non-Cable)
- Input Impedance: 100 ohms-Termination Mode; 1000 ohms-Bridged Mode
- Input Clock Frequency: 1.544 MHz ±300 ppm
- Output: DSX-1 Compatible, and Selectable Line build out of 0-100, 100-350,
350-655 feet
- Transmit Clock: Recovered or Internal Oscillator
- Frame Formats: D4 with Signaling, D4 No-Signaling (SLC* -96), ESF with Signaling,
ESF No-Signaling, Unframed
- Line Code (Zero Suppression): AMI, AMI with data limit of 7 0's, B8ZS
BERT Functions
- Test Patterns: QRSS (Bell Spec. CB113) 220-1, 215-1,
2047, 511, 63, 1:3, 1:7, Mark
- Test Lengths: 10E5 to 10E8 or Autoranging
- Error Measurement: Logic, Frame, Bipolar Violations, CRC
- Error Formats: Bit, BER, Error-Second, Error-Free-Second
- BERT Synchronization: Auto or Manual
- Error Injection: Automatic; Manual: Single Logic, BPV, Frame
VF Functions
- D-Formats: D1D, D2, D3/4
- Channel Access: VF Input/Output, VF Channel Selection, Single, Scan or
Scroll-Idle Pattern on all VF Channels, Digital Milliwatt to VF, VF Input
- Measure: level and frequency on selected channel
- A and B Signaling (C and D for ESF): Receive single channel, Receive all
channels, Transmit single DS-0 channel
- E/M Signaling: M-Lead (-48 Vdc); E-Lead (Open/Closed Relay Contacts)
- Speaker Microphone: Enables VF signal monitoring and a two-way telephone
conversation
User Interfaces
T1/DS1 In, T1/DS1 Out, VF Input, VF Output, E/M Jack, External Speaker - Bantam
Jack, External Clock - BNC Connector, LCD Display Contrast Control, Speaker Volume
Control, Printer/Terminal Interface - RS-232, DB-25 connector, External Power Jack for
charger/AC adapter, Power Switch
General
- Size (H x W x D): 12.5" x 8.2" x 4.8" (31.8 x 20.8 x 12.2 cm)
- Weight: 10.2 lb (4.63 kg)
- Power: 12 Vdc input from 120 Vac charger/adapter or 12 Vdc charger/adapter.
Battery Life of gel/cel - 5 hours (under normal conditions)
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