Nortel Networks Circuit Card 311 - Manual (Page 556)

556 NT8D09 Analog Message Waiting Line card
Overload level
Signal levels exceeding +6.5 dBm applied to the tip and ring cause distortion
in speech transmission.
Overload level
Signal levels exceeding +7 dBm applied to the tip and ring cause distortion
in speech transmission.
Overload level
Signal levels exceeding +7 dBm applied to the tip and ring cause distortion
in speech transmission.
Environmental specifications
Table 223 "Analog message waiting line card - environmental specifications"
(page 556)
lists the environmental specifications for the analog message
waiting line card.
Table 223
Analog message waiting line card - environmental specifications
Parameter Specifications
Operating temperature 0 to +60 C (+32 to +140 F), ambient
Operating humidity 5 to 95% RH (non-condensing)
Storage temperature –40 to +70 C (–40 to +158 F)
Table 224 "Analog message waiting line card - environmental specifications"
(page 556)
lists the environmental specifications for the analog message
waiting line card.
Table 224
Analog message waiting line card - environmental specifications
Parameter Specifications
Operating temperature 0 to +60 C (+32 to +140 F), ambient
Operating humidity 5 to 95% RH (noncondensing)
Storage temperature –40 to +70 C (–40 to +158 F)
Connector pin assignments
The analog message waiting line card brings the 16 phone lines to the IPE
backplane through a 160-pin connector shroud. The backplane is cabled
to the I/O panel on the rear of the module, which is then connected to the
MDF by 25-pair cables.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
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