System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
KZU EX (8)
Page 9-20 Proprietary Information Aastra
1) Software-adjustable in steps of 0.1 dB
Number of interface on the module 8
9.8.4 KZU EX (8)
For 2-wire connections of CB subscribers to PBXs in conjunction with the KZU SUB channel
module. The receivers for feeding current, ringing signals and meter pulses are integrated on the
interface.
VF band 300 to 3400 Hz
Interface 2-wire, to exchange
Transmit direction (from exchange) with balancing network:
600 Ohms:
-8.0 dB to +7.5 dB,
adjustable in steps of 0.1 dB
Complex 220 Ohms + (820 Ohms // 115 nF)
DTAG:
-10.8 dB to +8.0 dB,
adjustable in steps of 0.1 dB
Complex 370 Ohms + (620 Ohms // 310 nF) BT:
-9.4 dB to +8.0 dB,
adjustable in steps of 0.1 dB
Receive direction (to exchange) with balancing network:
600 Ohms:
-20.7 dB to +3.8 dB,
adjustable in steps of 0.1 dB
Complex 220 Ohms + (820 Ohms // 115 nF)
DTAG:
-18.8 dB to +3.2 dB,
adjustable in steps of 0.1 dB
Complex 370 Ohms + (620 Ohms // 310 nF) BT:
-20.5 dB to +3.1 dB,
adjustable in steps of 0.1 dB
Nominal impedance
Impedance, complex
Impedance, resistive
220 Ohms + (820 Ohms // 115 nF) for DTAG
or
370 Ohms + (620 Ohms // 310 nF) for BT
600 Ohms (software-selectable)
Signalling Loop signalling or MFC
Meter pulse 12 or 16 kHz, switchable on module
Ringing frequency, Rx range 16 to 64 Hz
Number of interfaces on the module 8
Table 9.I: KZU channel modules