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> Fluke 635 quickbert-T1 tester
Fluke 635 quickbert-T1 tester
- Full featured, handheld T1 test set at an affordable price.
- Instantaneous detection and display of framing, line coding, errors, alarms, level, frequency and more
- Transmits and receives common Bit Error Rate Test (BERT) patterns and includes all common loop codes, including HDSL
The 635 is a compact, handheld T1 test set for construction, installation and troubleshooting applications.
In a single 4 lb (1.8 kg) package, the 635 includes all the basic T1 testing capabilities you would expect in a larger and more expensive tester. It performs bit-error tests, detects framing type, line coding and bit pattern, and displays signal level, frequency, clock slips, errors and alarms. The 635 transmits the most commonly used loop codes, including HDSL. Full, unframed and fractional (56k and 64k) T1 are supported, along with display of signaling and data bits and capture of DTMF digits. Plus, individual voice channels may be monitored on the built-in speaker or over a headset.
The 635 is compact, rugged and easy to use. Just plug it in and you can immediately see essential information without scrolling through layers of menus. The 635 automatically detects framing and line coding type and instantly displays any errors or alarms. A history indicator helps track intermittent problems.
635 QuickBERT-T1 Includes a carrying case, ToolPak (accessories to hang the test set), A/C power adapter, two Bantam-to-Bantam cables, and user manual.
635 QuickBERT -T1 Specifications
Framing: NONE, D4, ESF, SLC 96
Patterns: QRSS, 1 IN 7, 2 IN 8, 3 IN 24, ALL 0'S, ALL 1'S, 1:1, NET55, OCT55, DALY55, USER (default = 1:16)
Status/history: AMI (status only), B8ZS, Signal Present, Out of Frame, Blue Alarm (AIS), Ones Density, Excess Zeros, Yellow Alarm, DS1 Idle Signal (all Tx patterns are frame aligned), Pattern Sync Loss
DS0 drop: Selected DS0 channel to eight data bit LEDs and speaker
DS0 signaling types: Robbed Bit, CCIS, E-Bit
DS0 Signaling Bits: A, B, C, D
Compatibility: AT&T TA24/CB113
Transmitter Output Line codes:
Patterns: QRSS, 1 IN 7, 2 IN 8, 3 IN 24, ALL 0'S, ALL 1'S, 1:1, NET55, OCT55, DALY55, USER, THRU
Tx clock source: Internal, derived from received data, or external
Loop codes: CSU, NIU4, NIU5, NETWRK (ESF), LINE (D4), LINE (ESF), PYLD (ESF), ARM (D4), ARM (ESF), HTU-R,HTU-C, HRE1, HRE2, NREM, NLOC, NDU1, NDU2, CREM, CLOC, CDU1, CDU2
Rx T1 Receiver Term/Mon/Bridge: Bantam jack
Tx T1 Transmitter: Bantam jack
Auxiliary power: DC power jack
Display: 4 x 20 liquid crystal display (LCD)
Clock slips: Positive number means reference clock faster; negative number means reference clock slower
Errors: BIT ERR, BPV ERR, FRM ERR, CRC ERR, FREQDEV
Signal: DS1 Freq, DS1 Level, DS0 Freq, DS0 Level
DS1 Freq accuracy: 5 ppm, 32 to 104 F (0 to 40 C)
DS1 Freq range: 1544000 10,000 Hz
DS1 Level range: 6 dBDSX to -40 dBDSX
Battery Pack: Rechargeable, nickel metal hydride (NiMH); 3.5 amp-hours
Battery life: Approximately six hours of continuous operation
Low battery: Red LED illuminates, indicating recharge is needed
Auxiliary power: 9 - 12 VDC, 1000 mA
Operating temperature: 32 to 122 F (0 to 50 C)
Storage temperature: -4 to 140 F (-20 to 60 C)
Humidity: 95% maximum, non-condensing
Size: 1.75" H x 5" W x 9" L (4.4 cm x 12.7 cm x 22.8 cm)
