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DCHI installation for all systems
553-2901-200 Standard 11.00 August 1996
Figure 25
QPC757 option switch settings for PRI/ISL low speed programming
Meridian SL-1 I/O Port Selection:
Port Address Switch Settings
Switch 1
Off
Off
Off
Off
On
On
On
On
Switch 2
Off
Off
On
On
Off
Off
On
On
Switch 3
Off
On
Off
On
Off
On
Off
On
Port Number
J1
J2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Switch 4
Off
Off
Off
Off
Off
Off
Off
Off
QPC757C DCHI
1234
on
Jumpers for port J1,
the async port.
The port is always the
lower, even number.
Place jumper plugs in
sockets as shown.
This selects the DTE
and RS-232 options
required for the
D-channel.
RS-232
DCE
HS (RS-422)
DTE
RS-232
DCE
HS (RS-422)
DTE
RS-232
DCE
HS (RS-422)
DTE
RS-232
DCE
HS (RS-422)
DTE
jumper
on
| | | |
Jumpers for port J2,
the D-channel port.
The port is always the
higher, odd number.
553-1509