User Manual

ADCP-75-192 • Issue D • October 2005 • Section 2: Description
Page 2-9
 2005, ADC Telecommunications, Inc.
Table 2-5. STF User Interface, continued
REF
No.
USER INTERFACE
DESIGNATION DEVICE FUNCTIONAL DESCRIPTION
8 Hot Swap LED Single-colored LED
(Blue)
Status indicator turns blue when board can
be hot swap extracted. (not used)
9 Power LED Single-colored LED
(Green)
Status indicator turns green when module
has power.
10 I2C Connectors RJ-45 connectors I2C interface
2.3 SIF
The Sonet interface (SIF) is a Digital Chassis module that provides the RF to fiber interface
between the Hub and RAN’s. This interface includes RF signal information and 10BaseT
Ethernet command and control information. This module is specified as one per RAN, plus
one for each additional pair of tenants in each RAN (beyond the first pair).
At times the DIF output LED’s can turn orange. This is because the RUC and accompanying
RDC’s are not yet tuned. The front panel indicators for the Sonet Interface are:
• DIF Input 1-4 LED – DIF Input Tri-color LED
1 - Off = Interface not enabled
2 - Green = good
3 - Yellow = degraded
4 - Red = no DIF™ signal lock or unused channel
Flashing = Interface is going in and out of lock, or high bip errors detected
• DIF Output 1-4 LED – DIF Output Tri-color LED
1 - Off = Interface not enabled
2 - Green = good
3 - Yellow = degraded
4 - Red = bad data on DIF™ output or unused channel
• OPTICAL INPUT LED – Optical Input Tri-color LED
IN - Green = good
IN - Yellow = degraded
IN - Red = bad framing, bad parity, no signal, no lock
• OPTICAL OUTPUT LED – Optical Output Tri-color LED
Green= good
Yellow= degraded
Red = bad output signal