Nortel Networks BCM50 - Manual (Page 261)

Appendix N Market profile attributes 261
Installation and Maintenance Guide
Bahrain Yes Legacy GATM4/8 NOT supported
(will not function) 25 17 700
Brazil Yes DTMF CLID NOT supported on
GATI or Legacy GATM4/8 66 34 800
CALA No
(North
American
based
A-law) None 60 40 700
Canada Yes None 60 40 700
Caribbean Yes None 60 40 700
Global No (North
American
based
A-Law) None 60 40 700
Hong Kong Yes Line Reversal NOT supported on
Legacy GATM4/8 66 33 600
Ireland Yes Legacy GATM4/8 NOT supported
(will not function) 66 34 1000
Mexico Yes None 60 40 700
New Zealand No
(UK-based
telephony
with
Australian
tones) None 66 34 740
North America Yes None 60 40 700
Poland Yes None 66 33 700
PRC Yes DTMF CLID NOT supported on
GATI or Legacy GATM4/8 34 66 700
Taiwan Yes None 66 33 800
United Kingdom Yes None 66 34 740
Table 67 Transmission parameters (Sheet 1 of 2)
Market profile
Transmission
PCM coding
scheme
AC impedance
Loop length
adjustment
capability Tx CO gain
(short, medium,
long) Rx CO gain
(short, medium,
long)
Australia A-law 220
Ω
+ (820
Ω
||
120 nF)
No (N/A, 0, N/A) (N/A, 6 dB, N/A)
Bahrain A-law 900
Ω
+ 2.16 uF Yes (0, 3 dB, 3 dB) (3, 3 dB, 6 dB)
Brazil A-law 600
Ω
/900
Ω
Yes (-3 dB, 0, 0) (0, 0, 3 dB)
CALA A-law 600
Ω
Yes (-3 dB, 0, 0) (0, 0, 3 dB)
Canada mu-law 600
Ω
Yes (-3 dB, 0, 0) (0, 0, 3 dB)
Caribbean mu-law 600
Ω
Yes (-3 dB, 0, 0) (0, 0, 3 dB)
Table 66 Localization, PSTN standards, and pulse dialing parameters (Sheet 2 of 2)
Market profile Localized
Differences between GATI,
G4x16/G8x16, New GATM4/8,
and Legacy GATM4/8
Pulse Dialing (ms)
Break
time Make
time Interdigit
time