Cisco 545 Serial - Manual (Page 41)

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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5
OL-14912-01
Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway
Serial Gateway Cable Connections and Pin-outs
Data Interface Cable Pin-out Configurations
Table 2-7 describes the data interface pin-out configuration for the serial gateway cables.
Table 2-7 Serial Gateway Data Interface Cable Pin-out
Signal Name Mnemonic
KIV
-7 (DB-37
)
DTE only EIA-4
49 (DB-37)
EIA-5
30 (DB-25)
EIA-5
30 LOS (DB-25)
DTE only EIA
-53
0A
LO
S (DB
-25
)
DTE only V
.35
(M-34)
Shield — 1 1 1 1 1 A
Transmit Data TXD A 2 4 2 2 2 P
Transmit Timing TXC A 15 5 15 15 15 Y
Receive Data RXD A 3 6 3 3 3 R
Request To Send RTS A 4 7 4 4 4 C
Receive Timing RXC A 17 8 17 17 17 V
Clear To Send CTS A 5 9 5 5 5 D
Data Set Ready DSR A 6 11 6 6 6 E
Data Terminal ready DTR A 20 12 20 20 20 H
Carrier Detect DCD A 8 13 8 8 8 F
Terminal Timing TT A 24 17 24 24 24 U
Signal Ground — 27 19 7 7 7 B
Transmit Data TXD B 14 22 14 14 14 S
Transmit Timing TXC B 12 23 12 12 12 AA
Receive Data RXD B 16 24 16 16 16 T
Request To Send RTS B 19 25 19 19 19 —
Receive Timing RXC B 9 26 9 9 9 X
Clear To Send CTS B 13 27 13 13 13 —
Data Set Ready DSR B 22 29 22 22 — —
Data Terminal ready DTR B 23 30 23 23 — —
Carrier Detect DCD B 10 31 10 10 10 —
Terminal Timing TT B 11 35 11 11 11 W
Local Loopback LL — 10 18 — 18 L, K
Remote Loopback RLB — 14 21 — 21 N
Loss of Sync LOS unbalanced 31 36 — — — —
Loss of Sync LOS A — 3 — 18 — —
Loss of Sync LOS B — 21 — 21 — —