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Audio Bandwidth
Voice Bandwidth ............................................................................................. 300Hz to 3.4Khz
Optical
Transmitter .................................................................................................... LED/ELED/LASER
Receiver ..................................................................................................................... PIN Diode
Wavelength ..................................................................................... 850nm/1300nm Multimode
................................................................................................... 1300nm/1550nm Single Mode
Fiber Optic connectors ............................................................... ST**, SC or FC**(Optional)
Loss Budget
....................................................................... 15dB Multimode 850nm/1300nm @62.5/125µm
.......................................................................20dB Single Mode 1300nm/1550nm @9/125µm
......................................................................... Laser 25dB* Single Mode 1300nm @9/125µm
Electrical
Connector ............................................................................................................ RJ-11 Female
Ring Frequency .................................................................................................................. 20Hz
Nominal Ringing Voltage ............................................................................................ 70VRMS
2-Wire Impedance ....................................................................................................... 600 ohm
Ringer Load(Max REN to drive) ...................................................................................... 3 REN
Voltage between Tip and Ring ............................................................................................48V
Max copper length between phone and the TC1901 ............... 1000 ft(300meters) for 3 REN
Loop current ......................................................................................................................20mA
Dial ............................................. Tone only DTMF(Dial Tone Multiple Frequency), not Pulse
System
Bit Error Rate .................................................................................................. 1 in 10
Visual Indicators ............................. PWR A, PWR B, VCCA, VDC, ALM, OPT, SYNC, RSNC,
............................................................... FXS, FXO, MSTR, RMTLB, (TX & RX for Aux. Data),
..........................................................................................HOOK, RING, (TX & RX for Volume)
Diagnostic Functions ................................................................................................. RING HK,
................................ Signal Generator, Remote Loopback, Local Loopback (future release)
Power Source
Standard .......................................................................................................... 12VDC @400mA
................... (Optional) 24VDC, -48VDC, 125VDC, or 115/230VAC with external power cube
Temperature
Operating ............................................................................................................. -10
................................................................................ Hi-Temp Version (optional) -20
.......................................................................Extreme-Temp Version (optional) -40
Storage ................................................................................................................. -40
Humidity ................................................................................................... 95% non-condensing
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TC1901
User's Manual
Rev. 1.8
or better
9
C to 50
C
o
o
C to 70
C
o
o
C to 80
C
o
o
C to 90
C
o
o
MNL-19010-01-18
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