System information
FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Line Units
Page 1-8 Proprietary Information Aastra
Data interfaces (bit rate <= 1984 kbit/s)
Port Nx64
2-port data interface to V.11 or V.35
• Data rate adjustable from 64 kbit/s to 1984 kbit/s in steps of 64 kbit/s
Port LAN
2-port data interface to IEE 802.3
• WAN data rate adjustable from 64 kbit/s to 1984 kbit/s in steps of 64
kbit/s
• 10Base2 and 10BaseT interfaces
ISDN interfaces
All ISDN modules are equipped with four interfaces. The following ISDN
point-to-point connection types are being supported:
• 1D/64k (3 x 64 kbit/s)
• 2D/64k (2.5 x 64 kbit/s); D-channels of both interfaces combined
• 3D/64k (2.25 x 64 kbit/s); three D-channels are combined
• 4D/64k (2.25 x 64 kbit/s); four D-channels are combined
ISDN S0F
4-port S0 module with subscriber power supply used for duplex
point-to-point connections (4-wire) to I.430
• between ISDN exchanges
• as subscriber extension to a PABX
ISDN Uk0 (Q)
4-port Uk0 module with remote power supply and 2B1Q coding used for
duplex point-to-point connections (2-wire echo compensation)
• between ISDN exchanges
• between NTBA and PABX
1.1.2.2 Line Units
2 Mbit/s interfaces (ports) acc. to ITU- T G. 703
Port (2), (4)
Port module with 4 or 2 interfaces for transmission of framed E1 signals
• Electrical 6 dB in-house interfaces, 120 , bal. / 75 , coaxial
Port LE2 OPT U
Modular port module for transmission of unframed/framed E1 signals with
two electrical interfaces and two card slots for Module 1F and Module 2F.