diagnostic
control panel, 1-2
DBM test initator, C-4,C-5
DBM, configuration options, 5-16General, configuration options, 5-17interface, 1-5
nondisruptive, 1-2,1-3tributary, 1-2,1-3
Dial, status indicator, C-2dial
backup, 4-7configuration, 4-7error messages, C-11
exceeded load threshold application, E-3progress messages, C-9
received data errors application, E-2network connection, 2-6,3-8
network connector, pin assignments, D-2Dial Attempt failure message, C-7
Dial Backup mode, 4-8
Dial Test, DBM option set, 5-11Dial Tone Test Failure alarm, C-2Dial Tone: Fail message, C-5DialBU message, C-8
DialCN message, C-8DialTn message, C-8DiDg, 2-5,4-13
application, E-4area, 5-1
Digital
facility alarm, C-5Loopback, 4-9,4-10
DBM test message, C-4DSU test message, C-5
network connector, D-1pin assignments, D-2
Test, 2-12,3-12,4-11DBM test message, C-4DSU test message, C-5results, 4-11
Dir, 4-16
Dir Empty, DBM error message, C-11directory, 4-16
characters, 4-16Disab message, C-8
Disable, DSU or DBM message, C-6Disabled DBM message, C-9Displ, 4-11,4-20
displaying external leads, 4-20DL, 2-12,3-12,4-10
DBM test, C-4DSU test, C-5
Drop:DTR Disc message, C-7DSR, status indicator, C-2DSR FrcOn
DBM Port option set, 5-14DSU Port option set, 5-8
DSR on Tst
DBM Port option set, 5-14DSU Port option set, 5-8
DSU compatibility, 1-5configuration options, 5-6Device Fail message, C-5Disable message, C-5menu, A-1
Port, configuration options, 5-7status indicators, C-2technical specifications, 1-5
DSUTst message, C-5DT, 2-12,3-12,4-11DBM test, C-4
DSU test, C-5
DTE, 2-12,3-12,4-5,4-10connectors, 1-1,D-4DBM test, C-4
DBM test initiator, C-4DBM test initiator, C-4DSU test, C-5
DSU test initiator, C-5DSU test initiator, C-5interface, 1-4Loopback, 4-9,4-10
DBM test message, C-4DSU test message, C-5
status, 4-5DTE Port
DBM Port option set, 5-13DSU Port option set, 5-7
DTR
control setup, 1-2,1-3message, C-8
status indicator, C-2DTR Alarm, C-2
DBM Port option set, 5-15DSU or DBM message, C-6DSU Port option set, 5-9
DTR Discon
DBM error message, C-11failure message, C-7
DTRCallCon, DBM option set, 5-12dynamic range, 1-6
E
EC, status indicator, SDCP, C-3EchoCancel, DBM option set, 5-12editing configuration options, 5-2E-E, DBM test, C-4
EE, 2-12,3-12,4-11
EIA-232/V.24 connector, pin assignments, D-5EIA-232-D
connector, 1-1crossover cable, D-8
electrical connection, 2-4emissions, CSA, 1-4End-to-End Test, 2-12,3-12,4-11
DBM test message, C-4results, 4-12
entering telephone number, 4-17
