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