AMERITECH AM8a - Figure 7-8. Am8 A Rear Panel Connections

RS232 Entries and Printouts (18-0037) AM8a Instruction Manual
February 10, 2000 0037-S07.L_
7-24
2 TX DATA
3 RX DATA
4 RTS
5 CTS
7 SIGNAL GROUND
9 +12Volts
10 - 12Volts
20 DTR
22 RI
RS232
AUX
POWER
90-264VAC
50-60HZ
1A FUSE
CHARGING
MODEL
S/N
LINE/TIMS
POWER FUSE HOLDER,
CONTAINS ONE SPARE FUSE
BATTERY CHARGE INDICATOR
MAIN RS232 PORT
TO TERMINAL OR PC
AUX RS232 PORT
USE FOR CHAINING TO
ADDITIONAL EQUIPMENT
AC INPUT, AUTO-RANGE
90 - 264VAC
24 PIN CONNECTOR FOR
LINE AND TIMS CONNECTIONS
1 PCM2-R1
2 PCM2-T1
3 PCM2-R
4 PCM2-T
5 PCM1-R1
6 PCM1-T1
7 PCM1-R
8 PCM1-T
9 M
10 E
11 SG
12 SB
13 LOOP-R
14 LOOP-T
15 CO GROUND
16 CO GROUND
17 TIMS-R1
18 TIMS-T1
19 TIMS-R
20 TIMS-T
21 CO GROUND
22 CO GROUND
23 CO GROUND
24 CO GROUND
LINE/TIMS CONNECTOR PIN-OUT
2 RX DATA
3 TX DATA
7 SIGNAL GROUND
8 SPEAKER OUTPUT +
9 SPEAKER OUTPUT -
AUX PORT PIN-OUT
RS232 PORT PIN-OUT
C.O.
GND
CONNECT TO CENTRAL OFFICE GROUND
Current-Measurement Fuse and Spare on
bottom of circuit board. Remove screws and bottom cover
Remove feet to
remove bottom cover
pin 1
2
23
24
1 13
25
1
5
9 6 14
These signals are not provided
when RS232 Isolation Option
(25–0128) is installed in the unit
Figure 7-8. AM8a Rear Panel Connections