DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127 Issue 1
August 1997
Index
PageI N-3
connectivity
rules,1-9
connectivity, packet bus,9-4
control and port circuit pack status LEDs,7-5
control carrier power units,5-9
control circuit packs
expansion port ne t works (EPNs),5-3
PPN,5-1
replacing,5-2
reseating,5-2
unseating,5-2
CO-trunk-to-digital interface frequency response,1-14
country codes,10-1394
cursor keys,3-2
D
data
service unit,1-6
Data Communications Equipment, see DCE
data terminal equipment,1-3
data-link layer, OSI,1- 4
DCE,1-3
D-channel
protocol,1-3
DCP,1-6
DEC VT220 terminals,3-27
DEFINITY LAN Gateway
restart procedure,5-25
shut down procedure,5-23
delay, echo path,1-17
demand tests,1-3
diagnostic tests,4-2
Digital Multiplexed In terface,1-7
digital port
insertion loss,1-15
Digital Signal Level 1 (DS1),1-7
digital-to-analog
peak noise level,1-17
quantization distortion loss,1-16
digital-to-digital
echo path delay,1-17
Disconnect Supervision,1-10
display alarms command,4-8
distortion
intermodulation,1-15
quantization loss,1-16
DS1
CO trunk (CO-DS1),10-450
interface circuit packs,10-475
option jumpers,10-1436
signaling,10-475
DS1 Circuit Pack form,10-1436
DS1 loopback,5-69
DS1 span,5-70, 5-71
DS1 span test,5-71
DS1 span, T1,5-69