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61202.029L2-1 ISU 128 User Manual 133
flow control (async data format ) 44
RTS options 43
transmit clock (sync) 45
DTR options 43
dump all calls 36
E
EIA-232 12
interface 115
environmental specifications 85
EON (end of number) 30
error control 51
F
factory setup 66
fallback 54
57.6k 64
FAX service 12
features 83
flow control 6, 7
flow control (async data format) 44
front panel 29
function keys 15
G
Generic Data I 9
generic unit configurations 88
getting started 16
H
hang up line 68
I
if self test fails 77
if the ISU 128 does not read ready 77
installation 11
interoperability 84
ISDN
basic rate service
11
basic rate service (defined) 2
ordering codes 9
Capability B 10
Capability C 10
Capability R 9, 10
Capability S 10
Generic Data I 9
overview 1
switch protocol options 90
U-interface operational mode op-
tions
90
ISU 128
front panel
3
interoperability 4
overview 1
rear panel 2
specifications and features 83
L
ldm 128 master 65
LDN
setting
26
LDN access options 90
leased 128K 7, 65
leased 64K 7
leased line 40
channel rate 41
clock mode 40
leased line service
defined
2
LED indicators 84
local echo options 89
loopback disable 21
DDS accepted 21
DDS+V54 accept 22
no remote loopbacks 21
V.54 accepted 21