Pin Signal Pin Signal
17 RING17 42 TIP17
18 RING18 43 TIP18
19 RING19 44 TIP19
20 RING20 45 TIP20
21 RING21 46 TIP21
22 RING22 47 TIP22
23 RING23 48 TIP23
24 RING24 49 TIP24
Figure 2: 50 Pin Telco Connector
GXW42XX FEATURES
The GXW42XX is a next generation IP voice gateway that is interoperable and compatible with leading IP-PBXs, Soft switches
and SIP platforms. The GXW42XX FXS gateway is auto-configurable, remotely manageable and scalable. The GXW42XX
gateways come in four models – the GXW4216, GXW4224, GXW4232and GXW4248, each offering superb voice quality,
traditional telephony functionality, easy deployment, and 16, 24,32 and 48FXS ports respectively. Each model features flexible
dialing plans, integrated call routing to support a pure IP network call and an external power supply.
Software Features Overview
16, 24, 32 or 48FXS ports (no front panel FXS ports on GXW4248)
RJ-45 Ethernet ports
4 configurable SIP profiles
Supports Voice Codecs:
G711 (a/µ, Annex I & II), G723.1A, G726 (ADPCM with 16/24/32/40 bit rates), G729 A/B, iLBC, T.38 Fax
Comprehensive Dial Plan support for Outgoing calls.
G.168 Echo Cancellation,
Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss Concealment (PLC)
For GXW4216, only first 16 pairs are connected.
For GXW4232, first 24 pairs on 1 RJ21 connector and first 8 pairs on the 2 RJ21 connector are connected.
For GXW4224 and GXW4248, the last pair of pin 25 and 50 on each RJ21 is not connected.
All LED lights display green when ON.
LINK LED and ACT LED blinking in following status indicate different network speed.
10M: LINK and ACT all blink, ACT blinks faster than LINK
100M: LINK and ACT all blink, ACT blinks the same fast as LINK
1000M: LINK does not blink, only ACT blink
Slow blinking of FXS LED together indicates a firmware upgrade or provisioning state.
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