Product Info

Table Of Contents
3DH03220 MDR-8000 Series Radios
Issue 6, July 2002 General
1-33
AUDIO HANDSET JACK
Type RJ-11, 4-wire modular jack on AE-37Y Controller
Frequency 300-3400 Hz
Level 0 dBm maximum
Impedance 220 ohms
Off-hook Microphone current greater than 15 mA indicates hand-
set is off hook.
Maximum microphone current is 40 mA.
RS-232 CONNECTOR
Type 9-pin D-style ribbon (J312 and J313)
Data Rate 9600 kb/s
Input Levels
Logic 0 3.0 to 30 V dc, input resistance 3 to 7 kilohms
Logic 1 -30 to 0.5 V dc, input resistance 3 to 7 kilohms
Output Levels
Logic 0 8.0 to 12.0 V dc, not less than 300 ohms output resis-
tance
Logic 1 -12.0 to -8.0 V dc, not less than 300 ohms output resis-
tance
4-WIRE AUDIO
Type Connector 9-pin D-style (J316 and J317)
LEVELS
Input 0 or -16 dBm, 600 ohms balanced
Output 0 or +7 dBm, 600 ohms balanced
E-lead Single form-A contact to ground or -12 V dc when off
hook.
M-lead Normally open; voltage more negative than -9 V indi-
cates input is off hook.
Relay Interface All interface via AE-27AF Relay Interface module
Type Connector 50-pin (J305)
Table 1-5 (Cont.) OSS External Interface Requirements
ITEM CHARACTERISTICS