RCS20 M:N Redundancy Switch
Revision 15
Electrical Interfaces
MN-RCS20 and CD-RCS20
5–18
Pin No. Signal Name
Signal
Direction
14
Tx Clock-B (+) ESCTXC-B
Output
15
Tx Octet-B (+) ESCTXO-B
Output
5.3.1.1.2.9
J9 | G.703 (G.703 Balanced)
The J9 | G.703 Balanced Interface port is a 15-Pin Type D Female Connector
Pin No.
Signal Name
Signal
Direction
1
Send Data A (-)
SD-A
Input
2
No Connection
N/C
---
3
Receive Data A (-)
RD-A
Output
4
No Connection
N/C
---
5
Drop Data Out B (+)
DDO-B
Output
6
Insert Data In B (+)/ESC B (+)
IDI-B
Input
7
External Clock A (-)
BAL EXC-A
Input
8
External Clock B (+)
BAL EXC-B
Input
9
Send Data B (+)
SD-B
Input
10
No Connection
N/C
---
11
Receive Data B (+)
RD-B
Output
12
Drop Data Out A (-)
DDO-A
Output
13
Insert Data In A (-)/EXC A (-)
IDI-A
Input
14
No Connection
N/C
---
15
No Connection
N/C
---
5.3.1.1.2.10
J10 | SYNC DATA (Synchronous Data)
The J10 | SYNC DATA Synchronous Data port is an EIA-422/EIA-485/V.35 Connection. It is a 37-Pin
Type D Female Connector located on the Universal Interface Module.
Pin No.
Signal Name
Signal
Direction
1
Signal Ground
GND
---
2
No Connection
N/C
---
3
Transmit Octet A (-)
TXO-A
Input
4
Send Data A (-)
SD-A
Input
5
Send Timing A (-)
ST-A
Output
6
Receive Data A (-)
RD-A
Output
7
Request to Send A (-)
RS-A
Input
8
Receive Timing A (-)
RT-A
Output
9
Clear to Send A (-)
CS-A
Output
10
Mod Fault - Open Collector
MF
Output
11
Data Mode A (-)
DM-A
Output
