Datasheet

3
Installing ONS 15454 SDH MIC-C/T/P Cards
78-14311-01
MIC-C/T/P Card Specifications
Figure 2 MIC-C/T/P block diagram
MIC-C/T/P Card-Level Indicators
The MIC-C/T/P card has a pair of LEDs, located on the RJ45 LAN connector. The green LED is
illuminated when a link is present, and the yellow LED is illuminated when data is being transferred.
MIC-C/T/P Card Specifications
MIC-C/T/P Power Supply Input
System Supply Voltage: Nominal -48 V DC
Tolerance limits: - 40.5 to - 57.0 V DC
Connector: 3WK3 Combo-D Power Cable Connector
MIC-C/T/P Timing Inputs
Frequency: 2.048 MHz + 10 ppm
Signal Level: 0.75 to 1.5 V
Impedance: 75 ohms + 5% (switchable by jumper to high impedance > 3 k ohms)
(120 ohms Impedance, balanced, possible with external matching cable)
Cable Attenuation: up to 6 dB @ 2 MHz
Connectors: 1.0/2.3 miniature coax connector
MIC-C/T/P Timing Outputs
Frequency: 2.048 MHz + 10 ppm
Signal Level: 0.75 to 1.5 V
Impedance: 75 ohms + 5%
(120 ohms Impedance, balanced, possible with external matching cable)
Pulse Mask: ITU-T G.703 Figure 20
Connectors: 1.0/2.3 miniature coax connector
MIC-C/T/P System Management Serial Port Interfaces:
System management serial port Craft interface
Inventory Data
(EEPROM)
61334
B
a
c
k
p
l
a
n
e
3W3
connector
Power
RJ-45
connectors
System management serial ports
RJ-45
connectors
System management LAN
4 coaxial
connectors
Timing 2 x in / 2 x out