PictureTel Concorde 4500 Servicing Manual page 160

PIN ASSIGNMENTS
DC-37 Pin
13
15
19
F Y I
B-10
Table B-7: Pin Assignments for V.35 Network Data Port (DC-37
Male) Adapter Cable (Continued)
V.35
Function
Circuit
F RLSD
J RI
B SG
The connector panels on the CP board are identical for the
F.Y.I.
V.35 and RS-449 networks; however, the interface daughter
boards are different.
The following illustration shows the cable supplied with the V.35
network interface system. This cable connects to the
Communications board V.35 network panel, as shown in the
following illustration. For more speciÞc information, see the
Concorde¥4500 AdministratorÕs Guide.
Source
DCE
DCE
(Not applicable)
Description
Received line
signal detector
Ring indicator
Signal ground