V180808N
T-APS Users Manual
Page 3
5. Installation
A/C Power Input
Power Switch
Fuse DC and
A/C 1A
DC Power
Input
Alarm
Screw
Terminals
T1 E1 Connections
CPE: Customer Premise Equipment
L1: Line 1 Primary Path
L2: Line 2 Backup Path
L1
L2
CPE
NC
COM
NO
RS232
ETHERNET
10/100 LINK
Serial
COM Port
Setup
TCP/IP
SNMP
Network
I
EARTH GND -48V
ALARM
ON
OFF
POWER
RJ45 PIN Assignments:
:
CPE, L1, and L2
CPE: Customer Premise Equipment
L1:
Line 1, Active Path
L2
Line 2, Protection Path
Pin Assignment
1
Receive Data
2
Receive Data
3
No Connection
4
Transmit Data
5
Transmit Data
6
No Connection
7
No Connection
8
No Connection
5.1.
RS232 Serial Port
Pin Assignment
1
No Connection
2
No Connection
3
No Connection
4
Signal Ground
5
Receive Data
6
Transmit Data
7
No Connection
8
No Connection
4 TX
3 NC
2 RX
1 RX
8 NC
7 NC
6 NC
5 TX