Harris Intraplex ACS-160 Series - Table 3-4. MA-235-1 I;O Ports; Table 3-5. MA-235-2 I;O Ports

ACS-160 Series & STL-160 Series T1 Multiplexer Installation & Operation 3 – Installation & Wiring
Version 2.11, August 2011
3-8 Harris Corporation
Intraplex Products
Table 3-4. MA-235-1 I/O Ports
Port
Connector
Type Protocol Comments Signals Pin Assignments
Timing In 6-pin phone
jack
RS-422 Balanced
timing in
(1.544 MHz)
TIMING
IN+
and
TIMING
IN-
1- External primary positive (+)
2- External primary negative (-)
3- External timing source select
4- Signal ground
5- Ext. secondary positive (+) or
CM-5R-TD delay positive (+)
6- Ext. secondary negative (+) or
CM-5R-TD delay negative (+)
Timing Out 6-pin phone
jack
RS-422 Balanced
timing out
(1.544 MHz)
TIMING
OUT+
and
TIMING
OUT-
1- External positive (+)
2- External negative (-)
3- Signal ground
4- Signal ground
5- Aux. positive (+) not defined
6- Aux. negative (-) not defined
T1/E1
Primary
8-pin phone
jacks
T1/E1 Port has
electrical
protection per
FCC part 68
for connection
to a public
network
RXTIP,
RXRING,
TXRING,
and
TXTIP
1- Receive from network, ring
2- Receive from network, tip
3- Not used
4- Send towards network, ring
5- Send towards network, tip
6- Not used
7- Frame ground (transmit)
8- Frame ground (receive)
MA-235-1
to
MA-235-2
Comm
26-pin
subminiature D
TTL External cable
required (with
package,
CA-202)
Various Pinouts not necessary
Table 3-5. MA-235-2 I/O Ports
Port
Connector
Type Protocol Comments Signals Pin Assignments
Remote
Port
6-pin phone
jack
RS-232
RS-485
Standard
ISiCL port
interface
RXDATA,
TXDATA,
GND,
RS485-
and
RS485+
1- RS-485 negative (-)
2- RS-232 transmit
3- Not used
4- RS-232 receive
5- Signal ground
6- RS-485 positive (+)
DI 6-pin phone
jack
TTL Future use
T1/E1
Backup
8-pin phone
jacks
T1/E1 Port has
electrical
protection per
FCC part 68
for connection
to a public
network
RXTIP,
RXRING,
TXRING
and
TXTIP
1- Receive from network, ring
2- Receive from network, tip
3- Not used
4- Send towards network, ring
5- Send towards network, tip
6- Not used
7- Frame ground (transmit)
8- Frame ground (receive)
MA-235-1
to
MA-235-2
Comm
26-pin
subminiature D
TTL External cable
required
Various Pinouts not necessary