System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
KZU Channel Modules
Page 9-18 Proprietary Information Aastra
Table 9.I: KZU channel modules
9.8 KZU Channel Modules
9.8.1 KZU OSX
Number of interface on the module 4, configurable as SUB, EX, OB, OBG
Transmission range for 10dB signal attenuation
with 0.4 mm wire:
6.6 km (19.8 km 600 Ohms with addional
amplifier)
with 0.6 mm wire:
12.5 km (37.5 km 600 Ohms with additional
amplifier)
with 0.8 mm wire:
16.7 km (50.1 km 600 Ohms with additional
amplifier)
Impedance:
Levels
The following level ranges can be adjusted for all KZU OSX module types:
Level in (Tx direction)
600 Ohms: -9.4 dB ... +6.1 dB
Complex DTAG: -9.3 dB ... +6.0 dB
Complex BT: -8.7 dB ... +7.3 dB
Level out (Rx direction)
600 Ohms: -23.6 dB ... +1.9 dB
Complex DTAG: -23.6 dB ... +1.7 dB
Complex BT: -23.6 dB ... +1.5 dB
9.8.2 KZU FEK (8)
For 2-wire or 4-wire transmission with E&M signalling and connection of 2-wire or 4-wire PBXs or CF
systems.
VF band 300 to 3,400 Hz
Level at F2out (Rx level, digital/analog), adjustable in steps of 0.1 dB
4-wire 600 Ohms
2-wire 600 Ohms
2-wire complex
+9.0 dBm . . . –15.4 dBm
+9.0 dBm . . . –15.4 dBm
+1.3 dBm . . . –15.9 dBm
Level at F2in (Tx level, analog/digital), adjustable in steps of 0.1 dB
Nom.
termination
600 Ohms
resist.
Complex , Germany
220 Ohms + (820 Ohms // 115 nF)
Complex, BT
370 Ohms + (620 Ohms // 310
nF)
OB - X -
OBG X - -
SUB X X X
EX X X X