AT&T MERLIN LEGEND Installation & Maintenance Manual page 44

System Description
Table 1-1 Continued
Line/
Trunk Type
Module
LS or GS
408
GS/LS
800‡ LS
DID
800 DID
LS or GS
800
GS/LS
‡ Although this MERLIN II module is supported in the MERLIN LEGEND
Communications System, the 800 GS/LS is the recommended module.
Loop-Start Lines/Trunks
LS Iines/trunks are the standard for home and small business
Key systems. They are less expensive in some areas but have
certain limitations:
They do not protect against "glare." (Glare occurs when a
person tries to make an outside call on a line/trunk at the
Specifications
Station Type
Capacity: 4 Iines/trunks,
Analog
multiline 8 stations, 1 PFT telephone
telephone; Station signal: analog
multiline telephone (40 kbps)
CMS; PFT
telephone Line/trunk signaling: LS or GS
line/trunk, optioned per port
voice
Loop range: 1000 feet, in-
building and in-range out-of-
building, with analog IROB
protectors, service only
PFT
Capacity: 8 lines/trunks, 2 PFT
telephone telephones
Signaling: LS
N/A Capacity: 8 Iines/trunks, 2 TTRs
Protocol: incoming calls only;
2-way (1-pair) fixed impedance
to DID trunks; no outgoing calls
Signaling: loop-reverse battery
wink-start or immediate-start;
accepts touch-tone dialing
PFT
Capacity: 8 lines/trunks, 2 PFT
telephones
telephone;
Signaling: LS or GS
button
needed for
GS PFT
telephone
Control Unit 1-13