User's Manual

60 Chapter 2 Introducing the BCM hardware
N0060612N0060612
Loop current 20 mA minimum 20 mA minimum 20 mA minimum 20 mA minimum 20 mA minimum
Battery feed voltage -48 V dc
± 10% -48 V dc ± 10% -29 V dc ± 10% -48 V dc ± 10% -48 V dc ± 10%
FIC code OL13ABC N/A N/A N/A N/A
Ringer equivalency
number
31222
ATA2 to BCM loop
resistance (cable only)
135 ohms
(800 m of
0.5-mm wire or
2600 ft of 24
AWG wire)
N/A N/A N/A N/A
Analog loop resistance
on terminal side for
voice applications
(cable only)
1300 ohms
(7200 m of
0.5-mm wire or
26000 ft of 24
AWG wire)
250 ohms (1538
m of 0.5-mm
wire or 5000 ft of
24 AWG wire)
200 ohms (1231
m of 0.5-mm
wire or 4000 ft of
24 AWG wire)
200 ohms (1231
m of 0.5-mm
wire or 4000 ft of
24 AWG wire)
200 ohms (1231
m of 0.5-mm
wire or 4000 ft of
24 AWG wire)
Analog loop resistance
on terminal side for
data applications
(cable only)
200 ohms (1231
m of 0.5-mm
wire or 4000 ft of
24 AWG wire)
250 ohms (1538
m of 0.5-mm
wire or 5000 ft of
24 AWG wire)
200 ohms (1231
m of 0.5-mm
wire or 4000 ft of
24 AWG wire)
200 ohms (1231
m of 0.5-mm
wire or 4000 ft of
24 AWG wire)
200 ohms (1231
m of 0.5-mm
wire or 4000 ft of
24 AWG wire)
Input impedance at tip
and ring
600 ohms 600 ohms 600 ohms 600 ohms 600 ohms
Return loss > 20 dB for 200
to 3400 Hz
(when
terminated with
600 ohms)
> 20 dB for 200
to 3400 Hz
(when
terminated with
600 ohms)
> 20 dB for 200
to 3400 Hz
(when
terminated with
600 ohms)
> 20 dB for 200
to 3400 Hz
(when
terminated with
600 ohms)
> 20 dB for 200
to 3400 Hz
(when
terminated with
600 ohms)
Insertion loss on an
internal call
ATA2 to BCM
loss 3.0 dB
± 0.5
dB
ATA2 to BCM
loss 3.0 dB
± 0.5
dB
ATA2 to BCM
loss 3.0 dB
± 0.5
dB
ATA2 to BCM
loss 3.0 dB
± 0.5
dB
ATA2 to BCM
loss 3.0 dB
± 0.5
dB
Insertion loss on an
external call
ATA2 to BCM
loss 2.2 dB +/-
1.0 dB; BCM to
ATA2 loss 0.5
dB
± 1.0 dB
ASM to BCM
loss 3.0 dB +/-
1.0 dB; BCM to
ASM loss 0.5 dB
± 1.0 dB
ASM to BCM
loss 3.0 dB +/-
1.0 dB; BCM to
ASM loss 0.5 dB
± 1.0 dB
ASM to BCM
loss 3.0 dB +/-
1.0 dB; BCM to
ASM loss 0.5 dB
± 1.0 dB
ASM to BCM
loss 3.0 dB +/-
1.0 dB; BCM to
ASM loss 0.5 dB
± 1.0 dB
MWI type (see Note) Stutter tone Stutter tone Stutter tone/
/ Voltage MWI
(CO: 120 V)
Stutter tone/
Reverse polarity/
Voltage MWI
(CO: 120 V)
Stutter Tone/
Reverse polarity/
Voltage MWI
(PBX: 90 V)
Disconnect
supervision types
N/A N/A OSI EIA/TIA 464
section
4.5.10.2.4/
4.5.10.2.5.1
OSI EIA/TIA 464
section
4.5.10.2.4/
4.5.10.2.5.1
N/A
Note: The MWI type depends on the country profile, and the MWI voltage shown is a maximum value.
Table 10 ATA2, ASM8, ASM8+, GASM, and GASI analog device specifications (Sheet 2 of 2)
Specification ATA2 ASM8 ASM8+ GASM8 GASI