Dir Empty, DBM error message, C-10directory
dial backup, 4-17
entry, and password characters, 4-18Disab message, C-7
Disabled DBM message, C-8Displ, 4-11,4-19,4-20displaying external leads, 4-19DL, 4-10
DBM test, C-3DSU test, C-4port test, C-5
Drop:DTR Disc message, C-6
DSD
Speeds diff error message, C-11Wrong RTS error message, C-11
DSR, status indicator, C-2DSR FrcOn, 5-18,5-26DSR on Tst, 5-18,5-26DSU, 1-1
Aggreg Exceeded error message, C-11compatibility, 1-6
configuration options, 5-6Device Fail message, C-4Disable message, C-4install, 3-5
Port Speed, configuration options, 5-27switch settings, 2-3,3-3
technical specifications, 1-6DSU test, Lamp, C-4DSUTst message, C-4
DT, 4-10
DBM test, C-3DSU test, C-4port test, C-5
DTE, 4-5,4-10connection, 2-10DBM test, C-3
initiator, C-3DSU test, C-4
initiator, C-4interface, 1-4
3550 DSU, 1-4loopback, 4-10
DBM test message, C-3DSU test message, C-4port test message, C-5
port test, C-5initiator, C-5
status, 4-5streaming, 5-17
MUX port, configurations, 5-26DTE Port, 5-17,5-23
DTR Alarm, C-2Discon
DBM error message, C-10failure message, C-6
message, C-7status indicator, C-2
DTR Alarm, 5-20,5-26DTRCallCon, 5-15dynamic range, 1-7
E
EC, status indicator, SDCP, C-2editing configuration options, 5-2E-E
DBM test, C-3DSU test, C-4
EE, 4-11
EIA-232-D, crossover, cable, figure, D-8EIA-232/V.24, connector, pin assignments, D-5Elast Store, 5-26
elastic store per port, 1-3electrical connection, figure, 2-4emissions, CSA, 1-4end-to-end test, 2-12,3-12,4-11
DBM test message, C-3DSU test message, C-4results, 4-11
environment, 1-4equipment
support, 1-8 warranty, 1-8
error correction indicator, SDCP, C-2error messages, C-9
command, C-9dial backup, C-10TDM/Flex, C-11
Exp, C-6Expan, 4-4,4-5
expanded health and status, 4-5messages, C-6
Ext Leads, 5-19
Ext Time undspd error message, C-11ExtBU, 4-7,5-16
Agg Exceed error message, C-11External
Alarm A message, C-4Alarm B message, C-4Bkup speed, C-3
external
backup mode, 4-7,4-8dial backup, 1-2leads, 4-19
external DBU configuration options, 5-16
diagnostic, configuration options, 5-10option set, 4-7
port speed, configuration options, 5-29ExternBU message, C-3
ExtL, 4-19
ExtLd message, C-7
