11 Attachment: Technical Information
11.6.11 ESI - Telecom Synchronisation References
Enhanced Synchronisation Inputs
Reference Inputs:
E1 / T1 framed/unframed, variable frequencies (1 kHz - 10 MHz)
Power Requirements:
5 V, +-5%, 250 mA
Status Indicators
LED St:
ESI status
LED In:
Status of the backplane’s reference signals
LED A
Status of the input signals (1 & 2) at the board
LED B:
Status of the input signals (1 & 2) at the board
Operation conditions:
Initialisation:
LED St
blue until configuration is done
LED In
off until configuration is done
LED A
off until configuration is done
LED B
off until configuration is done
expiration LEDs:
ALL LEDs
0,5 sec. red
→
0,5 sec. yellow
→
0,5 sec. green
→
0,5 sec. off
Normal Operation:
LED St
green
LED In
green
LED A
green, if PPS and 10MHz
flashing green, if only 10 MHz
flashing yellow, if only PPS
off, if no signal
LED B
green, if Clock and Framed available
flashing green, if only Clock available
flashing yellow, if only Framed available
off, if no signal
ESI
A
B
1
2
3
4
Pin assignment of the RJ-45 jacks (input 3 + 4)
IMS-M1000-S
Date: 6th September 2017
37
