112
Analog device specifications
Nortel Business Communications Manager 450 1.0
Installation — System
NN40160-301 01.04 Standard
July 2009
Copyright © 2006-2009 Nortel Networks
ATA2 to
BCM50 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
BCM50 loss 3.0
dB ± 0.5 dB
ATA2 to BCM50
loss 3.0 dB ± 0.5
dB
ATA2 to BCM50
loss 3.0 dB ± 0.5
dB
ATA2 to BCM50
loss 3.0 dB ± 0.5
dB
ATA2 to
BCM50 loss
3.0 dB ± 0.5
dB
Insertion loss
on an external
call
ATA2 to
BCM50 loss 2.2
dB ± 1.0 dB;
BCM50 to
ATA2 loss 0.5
dB ± 1.0 dB
ASM to BCM50
loss 3.0 dB ± 1.0
dB; BCM50 to
ASM loss 0.5 dB
± 1.0 dB
ASM to BCM50
loss 3.0 dB ± 1.0
dB; BCM50 to
ASM loss 0.5 dB
± 1.0 dB
ASM to BCM50
loss 3.0 dB ± 1.0
dB; BCM50 to
ASM loss 0.5 dB
± 1.0 dB
ASM to
BCM50 loss
3.0 dB ± 1.0
dB; BCM50
to ASM loss
0.5 dB ± 1.0
dB
Table 5 ATA2, ASM8, ASM8+, GASM, and GASI analog device specifications (2 of 3)
Specification
ATA2
ASM8
ASM8+
GASM
GASI
Summary of Contents for BayStack 450 Switch
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