Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
2.3.4.2 ELECTRICAL INTERFACE ADAPTERS (MA-260, MA-262 & MA-263)
Electrical interface adapters are used to connect the M-DACS to a T1 network. There are three types of
electrical interface adapters available, the MA-260, MA-262 and MA-263. These are Line I/Os used
for communication between nodes in T1 systems, where the required termination impedance is 100
Ohms. The system automatically sets the 100 Ohm termination impedance during NMS configuration.
The MA-260/263 uses an RJ48C connector and the MA-262 uses a DB-9 connector as shown in
Figure 2-18.
JP
1
J2 DC PATH
CONN OPEN
(CSU)
J1
MA-260
MA-262
5,6
1
2
3
4
Pin Function
Ground
T1-IN+
T1-IN-
T1-OUT+
T1-OUT-
8
7
6
5
4
3
2
1
T1-OUT+
T1-OUT-
T1-IN+
T1-IN-
MA263
J1
T1/E1 Line
Connector
RJ48C
J1 PINOUTS
(3,6,7 & 8 NOT
USED)
J1 PINOUTS
(6,7 & 8 NOT
USED)
J1
J4
T1/E1
T1/E1
DUAL CONNECTORS
Selects CSU mode
CSU = Channel Service Unit
Selects T1/E1 mode
Note Single Line Connector shown, when
MA263 adapter is used there are 2-jumpers to
set, J2 and J3.
Figure 2-18. DACS MA-260, MA-262 and MA-263-Line I/Os, rear panel views and jumper settings
M-DACS-T1 RFL Electronics Inc.
October 16, 2012 2-35 (973) 334-3100
To Next Page
Loading...