CANOGA PERKINS 2262 T1/E1 Fiber Optic Modem - Manual (Page 22)

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Canoga Perkins 2262 T1/E1 Fiber Optic Modem
5.2 Optical
Transmitter: LED (850nm) ST multimode
Laser (1310nm) ST or FC single mode
Loss Budget:
LED 15dBm
Laser 20dBm
Power Rates:
LED Launch power: -14dBm
Sensitivity: -29dBm
Overdrive: none
Laser Launch power: -6dBm
Sensitivity: -26dBm
Overdrive: none
NOTE: To measure the optical power, data must be present at the
data input leads.
5.3 T1/E1 Interface
Connectors:
T1 DA-15 (female)/RJ-48C or terminal block/RJ-48C,
with alarm
E1 BNC (two female) and terminal block (with
alarm)
Impedance:
T1 100ohm
E1 Switchable 75ohm / 120ohm
Input Selectivity:
T1 -6dB
E1 -6dB
Output Signal Level:
T1 6V p-p ± 1.4V
E1 75
Ω
4.74V p-p ± 10%
120
Ω
6V p-p ± 10%