Nortel Networks BCM200/400 - Manual (Page 63)

Chapter 2 Introducing the BCM hardware 63
BCM200/400 4.0 Installation and Maintenance Guide
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 3 1 2 2 2
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