Installation manual

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Operator Manual for Mastercall MC-4044 Series 8 G99120A Issue 3 Page 8
SECTION 6 - CONNECTIONS
TELEPHONE
LINE 1
PIN DESCRIPTION
1
2
3 Ring (Lb)
4 Tip (La)
5
6
LINE 2
PIN DESCRIPTION
1
2
3 Ring (Lb)
4 Tip (La)
5
6
ALARM INPUT & AUXILIARY OUTPUT RELAYS
PIN DESCRIPTION
1 Relay 1 Normally Open
2 Relay 1 Common
3 Relay 1 Normally Closed
4 Alarm In
5 Ground
6 Relay 2 Normally Open
7 Relay 2 Common
8 Relay 2 Normally Closed
RADIO
PIN DESCRIPTION
1 PTT Common
2 PTT Normally Open
3 MAP 27 (Digital) Out
4 COS Indication from Radio
5 MAP 27 (Digital) In
6 Signal Ground (Return) (OV)
7 Audio Out from TACT to Radio (Tx)
8 Audio In to TACT from Radio (Rx)