Nortel Media Gateway 1000E PRI Installation And Comissioning Manual page 102

102 Configure an E1/T1 card
The Protocol column displays:
•
•
•
The Usage column displays what hardware is used for D-channel:
•
•
•
•
The ClockReference column displays which span is the primary and
secondary reference clock. The Clock Controller track on field displays
on which span it is synchronized:
•
•
•
The Status displays the span status: either enabled or disabled.
The Group I and Group II alarms display the alarm status. For more details
about alarms, see
Media Gateway 1000E PRI Gateway Installation and Commissioning
Copyright © 2007, Nortel Networks
.
E1
T1
not defined
DDCH
DCHI
DCHI-SW
BCH (for BCH, no DCH hardware is needed)
primary
secondary
free run
Table 36 "PRI Gateway alarms" (page
Nortel Communication Server 1000
NN43041-311 01.01 Standard
Release 5.0 30 May 2007
151).