| Range |
| Bridge |
6 to -36 dB |
| Term |
6 to -36 dB |
| Monitor |
-15 dB to -24 dB |
| Framing |
NONE, D4, ESF, SLC® 96 |
| Line coding |
AMI, B8ZS |
| 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 |
| Range |
0 to -36 dB |
| Compatibility |
AT&T® TA24/CB113 |
| AMI or B8ZS |
| Framing |
NONE, D4, ESF, SLC96 |
| Frequency |
1544000 Hz ± 5 ppm |
| Patterns |
QRSS, 1 IN 7, 2 IN 8, 3 IN 24, ALL 0'S, ALL 1'S, 1:1, NET55, OCT55, DALY55, USER, THRU |
| LBO |
Fixed at 0 dB |
| 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 |
| |
ANSI T1.403, AT&T PUB62411 |
| Rx T1 Receiver Term/Mon/Bridge |
Bantam jack |
| Tx T1 Transmitter |
Bantam jack |
| Ref T1 Receiver |
Bantam jack |
| Auxiliary power |
DC power jack |
| Headset |
3.5 mm phone plug- stereo (for customer-provided headphones) |
| 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 resolution |
1 Hz |
| DS1 Freq range |
1544000 ± 10,000 Hz |
| DS1 Level range |
6 dBDSX to -40 dBDSX |
| DS0 Freq accuracy |
± 1.5 Hz |
| DS0 Level accuracy |
± 0.2 dBm |
| 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) |
| Weight |
1 lb, 10 oz (0.7 kg) |