Lucent Technologies, Multiplexer, models:

DDM-2000 OC-12	Installation Manual User & Service Manual
DDM-2000 OC-3	Installation Manual User & Service Manual
FiberReach DDM-2000	User & Service Manual
IP-GE/2	Installation Manual
Metropolis	Brochure
Metropolis ADM	Safety Manual
Metropolis AMU 1m/1o	Applications And Planning Manual
Metropolis DMXplore	Installation Manual Alarm Messages And Trouble Clearing Manual
Metropolis DMXtend	Installation Manual
Multiplexer and Transport System ADM 16/1	Brochure & Specs