RCS20 M:N Redundancy Switch
Revision 15
Electrical Interfaces
MN-RCS20 and CD-RCS20
5–15
Table 5-8.
AS/3356 EIA-422/V.35 DIP Switch Settings
Pin
Setting
1
OFF
2
OFF
3
OFF
4
OFF
5
OFF
6
OFF
7
ON
8
ON
5.3.1.1.2
DDS20 Data Switch Module Connectors
5.3.1.1.2.1
J1 | SD (Send Data)
The J1 | SD G.703 Unbalanced Send Data port is a 75 Ohm female BNC Connector.
5.3.1.1.2.2
J2 | DDO (Drop Data Out)
The J2 | DDO Unbalanced Drop Data Out port is a 75 Ohm female BNC Connector.
5.3.1.1.2.3
J3 | IDI (Insert Data In)
The J2 | IDI Unbalanced Insert Data In port is a 75 Ohm female BNC Connector.
5.3.1.1.2.4
J4 | RD (Receive Data)
The J4 | RD Unbalanced Receive Data port is a 75 Ohm female BNC Connector.
5.3.1.1.2.5
J5 | ESC VSC (Escape Audio)
The J5 | ESC VSC Audio Channel/64K Data port is a 9-Pin Type D Female Connector.
Pin No.
Signal
Description Direction
64K
Description
Direction
1
ESCAUDTX 1A Tx Audio 1A
Input
Tx Data 64K A
Input
2
ESCAUDRX 1A Rx Audio 1A
Output
Rx Data 64K A
Output
3
GND
Ground
Ground
4
ESCAUDTX 2B Tx Audio 2B
Input
Tx Clock 64B
Output
5
ESCAUDRX 2B Rx Audio 2B
Output
Rx Clock 64B
Output
6
ESCAUDTX 1B Tx Audio 1B
Input
Tx Data 64K B
Input
7
ESCAUDRX 1B Rx Audio 1B
Output
Rx Data 64K B
Output
8
ESCAUDTX 2A Tx Audio 2A
Input
Tx Clock 64K A
Output
