Table of Contents
Advertisement
INSTALLATION
16
HARNESS CARD
16
16
16
FIGURE 2-8. DataComm MODEM SHELF INSTALLATION
2-18
15
15
15
15
EQUIPMENT CONNECTOR (25-PIN FEMALE) CONNECTS
THE MULTIPLEXER TO THE CSU.
PIN NO.
1
FRAME GROUND
2
SEND DATA (TIP)
3
RECEIVE DATA (TIP)
14
SEND DATA (RING)
16
RECEIVE DATA (RING)
NETWORK INTERFACE CONNECTOR (RJ48C) CONNECTS THE
NETWORK TO THE CSU. USE EITHER CABLE P/N 027H242-X04 AND
COUPLER P/N 209-038-002 SHOWN BELOW (WHEN AN RJ48C PLUG IS
SUPPLIED) OR CABLE P/N 022H025-XXX (WHEN TERMINALS ARE
SUPPLIED).
CABLE
CABLE
027H242-X04
022H025-XXX
PIN NO.
WIRE COLOR
1
ORN/WHT
2
WHT/ORN
4
BLU/WHT
5
WHT/BLU
7
DRAIN
NOTE: THE REMAINING LEADS ARE NOT USED.
GDC ADAPTER CABLE
P/N 027H242-X04
SUPERVISORY PORT CONNECTOR (25-PIN MALE)
CONNECTS THE SUPERVISORY TERMINAL TO THE CSU.
PIN NO.
FUNCTION
2
SEND DATA
3
RECEIVE DATA
4
REQUEST TO SEND
7
SIGNAL GROUND
8
CARRIER DETECT
THIS PORT IS ENABLED ONLY WHEN PMC-100
OPERATION IS DISABLED.
FUNCTION
DIRECTION
N/A
TO CSU
FROM CSU
TO CSU
FROM CSU
FUNCTION
DIRECTION
RECEIVE DATA (RING)
TO CSU
RECEIVE DATA (TIP)
TO CSU
SEND DATA (RING)
FROM CSU
SEND DATA (TIP)
FROM CSU
SHIELD (FRAME GND.)
N/A
CABLE WITH
RJ48C PLUG
FROM NETWORK
GDC RJ48C COUPLER
P/N 209-038-002
DIRECTION
TO CSU
FROM CSU
TO CSU
N/A
FROM CSU
Advertisement
Table of Contents
