Enterasys csx5500 用户指南
USER’S GUIDE
62 CyberSWITCH
The PRI-23 adapter is fully compatible with our other WAN adapters and the digital modem. It has
both a TDM and an MVIP bus connector to accommodate connection to these adapters.
both a TDM and an MVIP bus connector to accommodate connection to these adapters.
Note:
The PRI-23 adapter was formerly called PRI-23/30 in releases prior to 7.0. In release 7.0 and
beyond, the name PRI-23 refers to the adapter which supports up to 23 T1 channels only. The
name PRI-23/30 refers to the adapter which supports up to 23 T1 channels or 30 E1
channels.
beyond, the name PRI-23 refers to the adapter which supports up to 23 T1 channels only. The
name PRI-23/30 refers to the adapter which supports up to 23 T1 channels or 30 E1
channels.
Hardware Characteristics
Processor:
Intel 80C186
Speed:
16 Mhz
Number of Ports:
1
Connector:
RJ-45
Interface:
Point-to-Point
T
HE
PRI-23/30
Note:
On the PRI-23/30 board, switch 8 (S8) on the I/O Switch is not used. The board should
function properly with the switch in either ON or OFF position.
function properly with the switch in either ON or OFF position.
The following table defines selected jumpers. Refer to the Hardware Installation chapter for specific
.
The PRI-23/30 uses an HDLC controller that provides up to 30 HDLC channels on a single adapter.
Up to six PRI-23/30 adapters can be placed in one system.
Up to six PRI-23/30 adapters can be placed in one system.
The PRI-23/30 adapter provides support for all available data channels on the primary rate
interface. The PRI-23/30 supports up to 23 T1 channels or 30 E1 channels. For dedicated
connections, the adapter supports up to 24 T1 channels or 31 E1 channels.
interface. The PRI-23/30 supports up to 23 T1 channels or 30 E1 channels. For dedicated
connections, the adapter supports up to 24 T1 channels or 31 E1 channels.
The PRI-23/30 adapter is fully compatible with our other WAN adapters and the digital modem.
It has both a TDM and an MVIP bus connector to accommodate connection to these adapters. The
PRI-23/30 also provides integrated CSU functionality, so no external CSU is necessary.
It has both a TDM and an MVIP bus connector to accommodate connection to these adapters. The
PRI-23/30 also provides integrated CSU functionality, so no external CSU is necessary.
Jumper
Usage
JP1
T1/E1
JP3
T1/E1
JP4
termination
JP6
T1/E1
JP7
termination
JP8
termination
JP9
MVIP
P11
Robbed-Bit Signalling