Motorola McIAS 1610 Series System Manual page 50

The table below describes the interface characteristics of each type of telephony
interface board.
Digital McTi-24 or McTi-30 Boards:
Trunk Interface: 24-channel T1 or 30-channel E1
Telco Connection: DB15F (male required)
Digital (Audio) Output Level: +4 dBm (maximum)
Analog McTi Boards:
Trunk Interface: Subscriber Line, 4-wire E&M connection, or 2-wire
Telco Connection: 25-pair (50-pin) telco type (male required)
DTMF Level Input (Subscriber only): 0 to -25 dBm
Audio Output Level:
+1 dB over recorded input level at Subscriber Line Tip & Ring
Audio Frequency Response: 300 Hz to 3000 Hz
Audio Channel Crosstalk: less than 55 dBrn
McTi-24MR Boards
Trunk Interface: 24-channel T1
Telco Connection:
V/S24T1 or V/S30E1 Board
Trunk Interface: 24-channel T1 or 30-channel E1
Telco Connection:
Digital (Audio) Output Level: +4 dBm (maximum)
Interface Characteristics
Loop Reversal
T1 - DB15F (male required), RJ-48C
T1 - DB15F (male required), RJ-48C
E1 - DB15F (male required), RJ-48C
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