Total Access 3000 DSLAM DS3 Primary Switch Module Installation and Maintenance Practice8 61181041L3-5ARemote Alarm Indication (RAI)The DS3-PSM transmits RAI to the far end in the following circumstances:• Valid framing cannot be identified• DS3-PSM is receiving AIS on the incoming DS3 signal• DS3-PSM determines a loss of the incoming DS3 signal• Cell delineation was lost in the FramerUpon detection of RAI on the incoming signal, the MUX reports the RAI to the systemcontroller for status condition reporting purposes.ComplianceTable 2 shows the compliance codes for the DS3-PSM. The DS3-PSM is NRTL listed to theapplicable UL standards. The DS3-PSM complies with UL 60950, NEBS Level 3, and GR-1089-CORE. The DS3-PSM is to be installed in a restricted access location and in a Type “B”or “E” enclosure only.This device complies with Part 15 of the FCC rules. Operation is subject to the following twoconditions:1. This device may not cause harmful interference.2. This device must accept any interference received, including interference that may causeundesired operation.Changes or modifications not expressly approved by ADTRAN could void the user’s authorityto operate this equipment.Input current at minimum load will not exceed 0.20 A at –48 VDC. The maximum inputcurrent is 470 mA at –48 VDC.CAUTIONUp to –200 VDC can be present on telecommunications wiring.Table 2. Compliance CodesCode Input OutputPower Code (PC) F CTelecommunication Code (TC) – –Installation Code (IC) A –
