System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Port LE34OPT KX DK
Page 9-14 Proprietary Information Aastra
9.7.2.3 Port LE34OPT KX DK
F1 interface 34GF optical
Laser class Laser class 1
Transmission bit rate (34,368
 2 * 10
-5
) kbit/s
Line code MCMI (1B/2B)
Wavelength 1,285 nm to 1,330 nm
Baud rate 68,736 kBauds
Transmitter characteristics
Transmit signal pulse shape NRZ
Optical transmit element Low-power single-mode laser
Optical transmit power P
S
–10 dBm 0.5 dB *)
Maximum transmit power in case of a fault <10.2 mW
Extinction factor < 0.15
Maximum permissible transmit power with
interferences and faults
+ 4 dBm
Receiver characteristics
Input sensitivity –6 dBm to –39 dBm
Optical receive element PIN-FET diode
BER from -6 dBm to -41 dBm 1*10
-10
Separate plug connector for each transmission
direction
DIN connector
F2 interface 34GF electrical
General version to ITU-T G.703.8
Interface code HDB3
Transmission bit rate (34,368
 2*10
-5
) kbit/s
Signal shape at F1out rectangular, RZ
Interface level U
P0
1.0 V  10% across 75 
Impedance at input F1in 75 , resistive (unbal.)
Permissible exchange cable attenuation < 12 dB at 17,184 kHz
Service channel interface (optional)
General version to ITU-T G.703.1.2.1
Transmission bit rate (64
 100 * 10
-6
) kbit/s
Interface code to ITU-T, G.703.1.2.1
Interface level 1.0 V
 10% across 120 
Table 9.F: 34 Mbit/s interfaces