Verilink 1558D (CG) Configuration/Installation Guide - Manual (Page 2)

COM BUS NET B NET A
IN OUT
GN
D
N.
O.
COM N.
C.
ALARM
S1 S2 S3 S4 ON
OFF
ON
OFF
V.35
1558D Rear View
Pin
NET A & B, RJ48
Modular Connectors
1 Data In, Tip
2 Data In, Ring
3 Not Used
4 Data Out, Tip
5 Data Out, Ring
6 Not Used
7 Not Used
8 Not Used
PIN
COM BUS IN
RJ11 6-pin
Modual
Connector
COM BUS Out
RJ11 6-pin
Modual
Connector
1 Not Used Not Used
2 Signal Ground Signal Ground
3 Data, output Data, Output
4 Data, input Not Used
5 Signal Ground Signal Ground
6 Not Used Not Used
Function CCITT Name
Direction
DTE....1558
1558D V.35
(34 pin, female)
Frame Ground 101 FG A
Signal Ground 102 SG B
Send Data 103 A/B SD P, S
Receive Data 104 A/B RD R, T
Request to Send 105 B RTS C
Clear to Send 106 B CTS D
Data Set Ready 107 B DSR E
Data Terminal
Ready 108 B DTR H
Data Carrier Detect 109 B DCD F
Transmit Clock 114 A/B TC Y, AA
Receive Clock 115 A/B RC V, X
External Clock 113 A/B EXT.TC U, W
Test Mode 142 TM K
Terminal 1558D Alarm Relay Terminal Descriptions
GND
(Ground)
This terminal can be used to connect the 155D to a good earth
ground
N.0.
(normally open)
External alarm equipment requiring a normally open contact
should be wired to this terminal and the common terminal
COM
(Common)
Common lead for the 1558D alarm relay contact(s)
N.C.
(normally closed)
External alarm equipment requiring a normally closed contact
should be wired to this terminal and the common terminal
1558D Wiring and Connector Information