System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Interfaces for SDH and Ethernet expansion
Aastra Proprietary Information Page 1-9
• Two electrical 6 dB equipment interfaces, 120 , bal. / 75 , coaxial
Module 1F
• Can be equipped with one or two optical single-fiber interface modules,
1310/ 1550 nm WDM, 25 dB field attenuation
(62.7026.580.00-A001/A002)
Module 2F
• Can be equipped with one or two optical 2-fiber interface modules,
1310 nm with 25 dB field attenuation (62.7026.570.00-A001) or 1300
nm with 39dB field attenuation (62.7026.540.00-A001).
34 Mbit/s interface
Port MUX34 KX
Port module with one interface for transmission of framed E3 signals
(G.704)
• Electrical 6 dB in-house interface, 75 , coaxial
Interface
• Interface module for connecting 12 external E1 or 3 x E2 signals (8
Mbit/s)
LE 34 OPT KX
• Optical 34 Mbit/s line module E3, 1300 nm.
1.1.2.3 Interfaces for SDH and Ethernet expansion
Up to two SCU or EoSCU modules per XMP1 node.
SCU module (SDH Core Unit)
The SCU module provides two mounting positions for being be equipped
with electrical and optical STM1/4 interfaces.
STM-1 interfaces
• Up to two STM-1 interfaces per SCU, 1310 nm and 1550 nm (S1.1,
L1.1 and L1.2)
• Up to 2 x STM-1 interfaces per EoSCU, electrical
STM-4 interfaces
• Up to 2 x STM-4 interfaces per SCU, 1310 nm and 1550 nm (S4.1,
L4.1 and L4.2)
E1 interfaces
• 10 external E1 interfaces, electrical, to ITU-T G.703 (unstructured and
structured to ITU-T G.704)
• 8 internal E1 interfaces to the PDH kernel, acc. to ITU-T G.704