Nortel Meridian 1 Manual page 24

Page 20 of 44 E&M tie trunk circuit card
Environmental specifications
Pad switching
Supplement to 553-3011-210
Table 13
NT5K19BA Power requirements
Voltage
+/- 15.0 V dc
+8.5 V dc
+ 5 V dc
-48 V dc
Table 7 provides the environmental specifications for the NT5K19BA E&M
Tie trunk card.
Table 14Table 2-7
NT5K19BA Environmental specifications
Parameter
Operating temperature
Operating humidity
Storage temperature
Nominal loss values for the NT5K19BA E&M trunk card are given in
Table 8.
Table 15
Loss values for NT5K19BA E&M trunk card
4-wire E&M (Short)
4-wire E&M (Long)
RAN/MUS
PAG
Provisional 1.3
Active Current
150 ma
35 ma
110 ma
80 ma
Absolute Limit
10-45 degrees C, ambient
20 to 80% RH
(non condensing)
-20 to +60 degrees C
Analog-to-Digital
-3 dB
-5 dB
3.5 dB
not applicable
July 1993
Digital-to-Analog
0 dB
-2 dB
not applicable
3.5 dB