Line/Trunk And Station Modules - AT&T MERLIN LEGEND Installation & Maintenance Manual

System Description
Table 1-1 Line/Trunk and Station Modules
Line/
Module Trunk Type
008
N/A
N/A
008 MLX
Station Type Specifications
Analog
Capacity: 8 analog stations
Signaling: analog multiline
multiline
telephone protocol (40 kbps)
telephone;
Loop range: 1000 feet in-
CMS; analog
building or in-range out-of-
data via a
building, with analog IROB
modem
protectors, service only
MLX Capacity: 8 digital stations,
telephone; each with one or two endpoints
digital data
(each endpoint is assigned an
individual extension number),
device
(such as including the following station
ISDN 7500B
types:
digital voice only
Data
digital voice with Voice
Module)
Announce to Busy feature
digital voice and digital data
(via the ISDN 7500B Data
Module)
digital voice and MFM
digital data only (ISDN
7500B Data Module)
Signaling: ISDN-BRI S/T
protocol (two 64-kbps
B channels, one 16-kbps
D channel) on a passive bus
Power: 4-VDC phantom power
to telephone; 48 VDC over a
separate pair (7-8) to an
operator DSS console
Loop range: 1000 feet, in-
building and in-range out-of-
building, with MLX IROB
protectors, service only
Control Unit 1-9