Lucent Technologies DDM-2000 OC-3 User Manual

363-206-285
Technical Specifications
Issue 3 June 2001
10-55
Transient Performance 10
Power Loss Restart 10
After system shutdown due to power loss, the system will exhibit a 2-second error
free transmission interval which begins within 1 minute of restoration of power.
Transmission Start-Up on Signal Application 10
The system, after having no signal applied for greater than 1 minute at the DSX-n
interface, will exhibit a 2-second error free transmission interval which begins
within 5 seconds of the reapplication of a signal.
Delay 10
Table 10-22 lists the worst-case measured one-way transmission delay within a
DDM-2000 OC-3 Multiplexer.
Table 10-22. DDM-2000 OC-3/OC-1 Transmission Delay in Microseconds
Mode
(High-Speed)
Low-Speed Interface
OC-3/EC-1
(STS-1)∗
OC-3/EC-1
(VT)∗ DS3 DS1
OC-1
STS
OC-1
VT
Terminal (OC-3) 7 27 7 40
EC-1 40
ADM (OC-3) 7 27 7 100
Ring (OC-3/OC-12) † 7 † 27 † 7 100 7 27
Ring (OC-1) 100 7 27
* STS-1 or EC-1 cross-connected.
† Ring delay is based on high-speed and low-speed or between main-1 and main-2.

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English