Specifications

Index
I-4
F
Front panel
beeper ................................................ 4-1, 5-14
button functions...........................................4-1
illustration ...................................................4-1
LCD screen.......................................... 1-6, 4-1
testing buttons and indicators....................4-13
I
Installation steps ................................................3-1
Interface connectors (see specific connector)
Interface parameter ..........................................5-18
ISDN dial backup (see Dial backup, ISDN)
ISDN dial line connector (see Dial line
connector, ISDN)
Isolating network problems .............................7-17
J
Jumpers
illustration .................................................3-17
settings, listed............................................3-18
L
Latching loopback (see Service loops)
LCD screen (see Front panel)
Line parameter monitoring ................................1-8
Line Quality Statistics (LQS)
description .................................................6-11
drops..........................................................6-16
isolating network problems .......................7-17
line statistics ..............................................6-13
resetting line statistics ...............................6-16
resetting unit and global resync counters ..6-16
troubleshooting reference chart.................7-17
Line speeds ........................................................1-1
Line statistics ...................................................6-13
Local-error (see Diagnostic tests)
Loop tests
activating aggregate level................ 6-40, 7-13
activating channel level.............................7-15
activating port level...................................7-14
DDS loop.....................................................7-6
digital loop ..................................................7-6
loop 2 and loop 2 error ................................7-8
V.54 digital loop..........................................7-7
LQS (see Line Quality Statistics)
M
Models
listed............................................................ 1-3
standalone ................................................... 1-4
Monitoring operating status
alarm ......................................................... 6-19
analog channel ............................................ 6-8
channel...................................................... 6-10
DAP ............................................................ 6-2
dial backup, analog ..................................... 6-3
dial backup, ISDN ...................................... 6-5
dial backup, Switched 56............................ 6-4
drops ......................................................... 6-16
line statistics ............................................. 6-13
resetting line statistics............................... 6-16
resetting unit and global resync counters.. 6-16
service......................................................... 6-6
tests ............................................................. 6-9
unit information .......................................... 6-7
Multimode applications
illustration................................................... 1-2
Multiport Framing
assigning port............................................ 5-26
Channel parameters .................................. 5-28
channel speed status display ..................... 6-10
Channel submenu description................... 5-22
description .................................................. 1-9
naming channels ....................................... 5-27
port assignment status display .................. 6-10
selecting channel DTE rate....................... 5-22
T7 addresses ............................................. 6-16
N
NCP (network control protocol) channel
assignment...................................................... 4-7
Network error (see Diagnostic tests)
Non-latching loopback (see Service loops)
O
Opening housing
illustration................................................. 3-16
instructions................................................ 3-16
Operating modes
C64NI ......................................................... 2-4
CC64........................................................... 2-5
customer-owned copper wire (LDM) ......... 2-5
DDS ............................................................ 2-1
DDSNI ........................................................ 2-4