System information
FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Technical Characteristics
Aastra Proprietary Information Page 9-1
Chapter 9
Technical Characteristics
Table 9.A: General characteristics
9.1 General Characteristics
Supply voltages 48/60 V DC
Power consumption depending on equipment with modules
Dimensions (H x W x D)
19" design 310 x 480 x 235 mm
Card slots
XMP1 subrack (16): 16 card slots
XMP1 subrack (8): 8 card slots
XMP1 subrack (16/32): 16 (32) card slots
Table 9.B: System parameters
9.2 System Parameters
Number of 2 Mbit/s interfaces 16
Number of time slots managed 512
Max. number of channels 200
Maximum number of nodes per network Recommendation: 70 nodes per area
Pulse frame structure to ITU-T G. 704
Additional synchronization CRC4 procedure (ITU-T G.706), switchable
Compression to ITU-T G. 711, law A
Clock supply
External clock, internal clock or recovered
receive clocks at the 16 ports or ISDN
interfaces
External clock interface to ITU-T G.703
Number of possible clocks per node any
Number of possible network clocks 65534
Network clock selection acc. to priority list
Behaviour with jitter/wander to ITU-T G.823
Interface to SOX
RS232
Optional Ethernet interface
Interface to SOA
Optional: QD2 interface at QD2 Central Unit
(RS485)