Nortel Business Communications Manager 450 Installation Manual page 113

Table 5 ATA2, ASM8, ASM8+, GASM, and GASI analog device specifications (3 of 3)
Specification ATA2
MWI type (see Stutter tone
Note)
Disconnect N/A
supervision
types
Copyright © 2006-2009 Nortel Networks
ASM8 ASM8+
Stutter tone Stutter tone/
Voltage MWI
(CO: 120 V)
N/A OSI EIA/TIA 464
section
4.5.10.2.4/
4.5.10.2.5.1
Nortel Business Communications Manager 450 1.0
Installation — System
NN40160-301 01.04 Standard
July 2009
Analog device specifications 113
GASM GASI
Stutter tone/ Stutter
Reverse polarity/ Tone/
Voltage MWI Reverse
(CO: 120 V) polarity/
Voltage
MWI
(PBX: 90 V)
OSI EIA/TIA 464 N/A
section
4.5.10.2.4/
4.5.10.2.5.1