AT&T MERLIN LEGEND Installation & Maintenance Manual page 713

Index
DID, see Direct inward dialing
(DID) trunks
Digit absorption 4-208
Digital switch element (DSE)
1-45, 1-49
Digital switching 1-49
Digital/lSDN (MLX) telephones
1-26
DIP switches 3-19
Direct inward dialing (DID) trunks
1-6, 1-8, 1-17, 1-18, 1-39,
4-62 – 4-64
add digits 4-68
block assignment 4-62
delete digits 4-67
disconnect time 4-64
expected digits 4-66
extension numbers 1-18
invalid destination 4-70
options 1-19
power failure busy-out 6-7
signaling 4-69
testing 3-121
type of 4-63
Direct-line console (DLC) 1-2,
1-33, 1-36
automatic hold option 4-132
operator positions 4-24
Direct Station Selector (DSS)
1-36, 3-104, B-4
installation 3-109
page buttons 4-20
testing 3-129
Directories 1-39
Disallowed Lists 1-39, 4-189
assignment to telephones
4-190
Disconnect time 4-60, 4-64
Dry loop 3-29
DS1 facilities 1-8, 1-42, 1-43,
1-53, 1-54, 1-55, 1-56, 1-58,
1-61, 3-19, 4-43
channel service unit 4-51
clock synchronization 1-59,
4-49
framing format 1-56
framing mode 4-46
line coding 1-57
line compensation 1-58, 4-48
recommended framing and
signaling formats 1-61
signaling mode 1-60, 4-47
type of service 1-54, 4-43
zero code suppression 4-47
DS1 facility interface 1-41
DTMF signaling 1-20
E
E&M mode 1-50, 1-51
E&M signal 1-16, 4-55
Elevate priority 4-136
Entering system programming
4-3
Error logs 5-3
last 10 system errors 5-3
ESF T1 Channel Service Unit
1-34, 1-61, 1-58, 3-19
Exiting system programming 4-3
Expansion carrier 1-5, 1-25
installation 3-3
Index I N - 5