![Motorola MTR2000 Installation And Operation Manual Download Page 63](http://html.mh-extra.com/html/motorola/mtr2000/mtr2000_installation-and-operation-manual_241115063.webp)
Installation
36
68P81096E37-N
06/28/05
Table 7. J5 SYSTEM CONNECTOR, Row B Pins
Pin #
Pin Assignment
Input/
Output
To/From
Signal Characteristics
1
RX Lock (Aux I/O)
O
J1-B32, J2-B32
OCO, 100mA, 40V; active high
2
GPO_13 (WCO)
O
J1-B31, J2-B31
OCO, 100mA, 40V
3
RdStat or GPO_15, Note 4
O
J1-B30, J2-B30
One side of normally open relay, see C3
4
Carrier Detect Switch
O
J1-B29, J2-B29, J3-B24
TTL output, active high
5
GPI_8 (NS)
I
J1-B28, J2-B28
Pulled up transistor input, 16V max
6
GPI_5 (NS)
I
J1-B27, J2-B27
7
Ext Repeat* (Aux I/O)
I
J1-B26, J2-B26
8
Trunk Duplex Enable*
I
J3-B25
TTL input
9
GPI_13 (WCI) or GPO_7 (NS)
I/O
J1-B24, J2-B24
Caution: See Auxiliary I/O section for jumpering infor-
mation
10
Spare 311
–
N/C
11
GPI_12 (WCI) or GPO_6 (NS)
I/O
J1-B22, J2-B22
Caution: See Auxiliary I/O section for jumpering infor-
mation
12
GPI_11 (WCI) or GPO_5 (NS)
I/O
J1-B23, J2-B23
13
Spare 301
–
N/C
14
Not Supported
I
J1-B19, J2-B19, J3-B19
TTL input
15
GND
–
Station ground
16
Spare 300
–
–
17
Spare 321
–
–
18
Cntrl 14.2 VDC
O
P8 pins 3, 4 (thru F2)
+14.2Vdc, Note 1
19
GND
–
Station ground
20
5 VDC
O
P8 pins 7, 8
+5.1 ± 0.25 Vdc
21
RdStat or GPO_15, Note 4
O
J1-B12
OCO, 100mA, 40V
22
Spare 322
–
–
23
Spare 325
–
–
24
Spare 309
–
–
25
Spare 902
–
–
26
Ext PTT or GPI_14, Note 2
I
J1-B7, J2-B7
Pulled up transistor input, 16V max, see A29
27
GND
–
Station ground
28
Line 4+
O
J4-C10
Wireline output balanced, (+)
29
AC Fail or GPO_14, Note 3
O
J1-B4, J2-B4
Other side of normally open relay, see A30
30
Line 4–
O
J4-A9
Wireline output balanced, (–)
31
GND
–
Station ground
32
Cntrl 14.2 VDC
O
P8 pins 3, 4 (thru F2)
+14.2Vdc, Note 1
Note 4:
This pin can be jumpered for RdStat (supported) or GPO_15 (supported). See Aux I/O jumpers P3 and P4.