Accessory Environmental Information; Meridian External Alerter And Recording Interface; Accessory Connection Module - Nortel Meridian M3900 Reference Manual

Accessory environmental information

Meridian External Alerter and Recording Interface

Table 32 provides MEARI specification and environmental information.
Table 32
MEARI specifications
Item
Ring relay contact
Call status relay contact
Record audio level (RJ12 jack)
Record audio level (3.5 mm jack)
Operating temperature
Humidity
Dimensions (H x W x D)
Weight
M3902, M3903, M3904, M3905 all equipped with
M3900 series ACM and power supply

Accessory Connection Module

Table 33 provides ACM specification and environmental information.
Table 33
Environmental information
Item
Operating temperature
Operating relative humidity
Storage temperature
Storage relative humidity
Meridian SL-100 M3900 Meridian Digital Telephones Reference Guide
Environmental, power, and safety considerations 129
Specification
Normally open, max 50 mA 30 V.
Normally open, max 50 mA 30 V.
Nominal - 12dBm, 600 Ohm.
Nominal - 52 dBu, microphone level.
0ºC to 50ºC.
5% to 95% Relative Humidity.
1.25 x 3.75 x 4.65 inches.
3.2 x 9.5 x 11.8 centimeters.
4 oz.
104g.
Compatible.
Range
0º to 50ºC (32º to 104ºF).
5% to 95% (non-condescending). At
temperatures above 34ºC (93ºF) relative humidity
limited to 53 mbar of water vapor pressure.
-50º to 70ºC (-58º to 158ºF).
5% to 95% (non-condescending). At
temperatures above 34ºC (93ºF) relative humidity
limited to 53 mbar of water vapor pressure.