Installation guide

A-39
Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases
OL-1165-06
Appendix A System Specifications
Cabling Summary
FRI V.35 Port Pin Assignments
Table A-33 contains a listing of IGX V.35 pin assignments for the Frame Relay FRI card. A standard
V.35 cable is used for this application.
6/31 to 14/39 ST/DT Output Send timing/send timing in DTE
7/32 to 7/32 SG — Signal ground
8/33 to 3/28 TA/CA Input DTE available/DCE available
9/34 to 2/27 TT/RT Input Terminal timing/receive timing
10/35 to 5/30 LA/LC Input Loopback circuit A/DCE loop
request
11/36 to 4/29 SD/RD Input Send data/receive data
12/37 to 24/49 LB/TM Input Loopback circuit B/test mode
13/38 to 13/38 SG — Signal ground
14/39 to 6/31 DT/ST Input Send timing in DTE/send timing
15 through 18 to
40 through 43
not used — Not used
19/44 to 19/44 SG — Signal ground
20 through 23 to
45 through 48
not used — Not used
24/49 to 12/37 TM/LB Output Test mode/loopback circuit B
25/50 to 25/50 SG — Signal ground
Table A-32 Wiring Details for the HSSI-DTE Cable (continued)
Pin No. J1 to J2 Name Direction Description
Table A-33 FRI V.35 Pinouts
Pin No. Name Source Description
A Gnd. both Protective (Shield) ground
B Sig. Gnd. both Signal ground
C RTS DTE Request to send
D CTS DCE Clear to send
E DSR DCE Data set ready
F DCD DCE Data carrier detect
H DTR DTE Data terminal ready
L LLB DTE Local loopback command to user device
N RLB DTE Remote loopback command to user device
n TM DTE Test mode indicates user device. ready for test
P/S TxD DTE Transmit data from DTE
R/T RxD DCE Receive Data to DTE