Specifications

2
Note: 1). Only when “ARM” input is active (Arm state), it validates the trigger inputs ZL & ZH,
and permits listen-in from SIM card phone book tel. #1 ~ #4.
2). Only when “ARM” input is inactive (Disarm state), you can play/record voice
message,
Jumper JP4:
JP4 is to choose the supply voltage to the mobile phone connected, and charge its
battery. You have to open the top cover to change this jumper.
PIN 1 & PIN 2 shorted: (factory setting) For mobile phones using 3.6V battery, such as T65,
T39 and T28
.
PIN 1 & PIN2 opened: For mobile phones using 4.8V battery, such as A1018, S868 and T10.
Important Note
: Select the JP4 correctly before connecting your mobile phone to GSM-DL2;
otherwise, the mobile phone would be permanently damaged! Even the
battery would burn! The GSM-DL2 would stop charging automatically when
the battery is fully charged.
Control cable
There are two different cables; the one with orange label is for A1018, S868 and T10 mobile
phones. The other one with yellow label is for T28, T39 and T65.
Please connect the correct control cable to the mobile phone and the dialer.
Headphone jack
Connects stereo headphone for listening recorded voice.
Note: In case no headphone is available, you may trigger the dialer, to check the recorded voice
from the telephone, which is called by the dialer.
LED indication
Green LED Red LED Conditions
Slow Flash OFF Disarm state
Quick Flash OFF Arm state
OFF ON Recording voice
ON OFF Playing voice
OFF Flash Dialing telephone
Flash ON Alarm was triggered*
OFF OFF Reading data from GSM mobile phone**
Remarks: *The Red LED will turn off after arming the GSM-DL2 again.
** This happens when A). The power of GSM-DL2 is turned On from OFF,
max. period 20 seconds.
B). When the GSM-DL2 is armed (from disarmed state); the
period is about 5-15 seconds, depending on mobile phone
model.