System information
FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Data/Control interfaces Data1/Ctl and Data2
Page 9-30 Proprietary Information Aastra
Impedance
120 Ohms balanced or
75 Ohms unbalanced
Tx signal amplitude across 120 Ohms 3 Vpp acc. to G.703
- Cable length at a level of 6 dB 100 m
Tx signal amplitude across 75 Ohms 2.37 Vpp acc. to G.703
- Cable length at a level of 6 dB 20 m
Clock signals internally recovered from the XMP1 system
Connectors 9-pin SUB-D (front side) with M3 pin
9.12.3 Data/Control interfaces Data1/Ctl and Data2
Number of data interfaces 2 per board
Number of control interfaces 1 per board
Data interfaces RS-232C or RS-485 (two-wire), configurable
Protocol transparent
Format 1 start bit, 8 data bits, 1 parity bit, 1 stop bit
Data rate
1200 bit/s, 2400 bit/s, 4800 bit/s, 9600 bit/s,
19200 bit/s
Data 1/Control interface Data or control interface
Control interface RS232 or RS485
Signals RxD, TxD, ground
Data rate 19200 bit/s
Connectors 2 x 9-pin SUB-D (front panel) with M3 pin
9.12.4 Light-emitting diodes
3 LEDs for diagnostic purposes
Power (green)
Connect (yellow)
Error (red)
9.12.5 Standard and recommendations
This module meets the following ITU-T recommendations:
G.703, G.704, G.706, G.732, H.261.
Tab. 9.L: Video modules