Ctm City Tie Module - Secutron MR-2900 Installation Manual

8.3 CTM City Tie Module

The CTM is designed to interface between a control panel and a local city tie box. The interface from the
control panel is via a 24VDC signal circuit. This module is intended for connection to the control unit at the
protected premises.
Ratings:
City Tie Module
• Operating Voltage
• Standby Current
• Alarm Current
• UL listed
City Tie Box
• Series type Coil Resistance 14.5 ohms
The CTM is wired as shown below.
Figure 35: CTM City Tie Module Wiring
Note:
• The CTM is separately listed equipment. Refer to the installation and wiring instructions provided
with the unit.
• When connecting the CTM module to any of the bell (NAC) circuits, that circuit(s) must be
programmed as a strobe circuit
46
24 VDC
2 mA
1.5 A (less than 10 milliseconds) for Model DC-2A Master Box
File S3610